This is one area in which the Russians
and NASA with its various contractors, have already done considerable
research and have acquired invaluable inflight/inuse experience in the
Mir and International Space Station programs. Happily too, a commercial
contractor, Bigelow Aerospace is now making groundbreaking
contributions with inflatable module technology, borrowing heavily on
NASA’s Congress-aborted TransHab project. The prototype one quarter
scale inflatable Genesis I is now in orbit and rewardingly performing
well.
Modular architecture developed for the
microgravity of Earth orbit will certainly have applications in the
return to the Moon effort. It will apply directly to any way station
developed at the L1 Gateway point or in lunar orbit. But applications
to the design of lunar surface outposts will need some rethinking for
four reasons:
- We are now talking about a 2-dimensional environment
stratified by gravity, not the any-which-way dimensions of orbital
space. The 1/6 Earth normal gravity environment mandates an established
up-down orientation, no “swimming” through the air to get from one
point to the other. This is minor.
- Egress and ingress portals need to be designed to
minimize intrusion of insidious moondust. It would be ideal if
spacesuits were rethought with this challenge in mind, but NASA has
already signaled its intention not to explore that route for money
reasons. One more sorry instance of a “stitch in time, could have saved
nine.”
- NASA operations on the Moon will be far more expensive to
maintain than the relatively trivial expense of wholesale spacesuit
redesign even at multimillion dollar expense. Commercial contractors
may be the Knights in Shining Armor here as the NASA approach would be
indefensible in any business plan.
- Outside the safety of the Van Allen belts, radiation
protection is required for more than short stays. The lunar surface
station must be designed to sit under a shielded canopy, or to be
directly covered with a regolith blanket. An added benefit will be
thermal equilibrium.
While NASA, its contractors, and the Russians have
a head start, it should never be assumed that they have explored all
the options. Modular architecture is very much structured like a
language: it has nouns (the various habitat and activity modules),
conjunctions and prepositions (the various connector nodes), and verbs
(the power system, the Candarm and other associated assembly and
arrangement tools). The idea in constructing a “lunar-appropriate
modular architectural language” is to come up with the most versatile,
yet economic in number, set of modular components to support the most
diverse and varied layouts and plans. The idea here is to maximize the
options for expansion, without prejudging what needs will be
accommodated first in the buildout.
We think that this concept is important enough to
put to a design competition. NASA, contractors, the Russians can all
advise on interface constraints and other design features that must be
incorporated. Then let the would be Frank Lloyd Wrights of the lunar
frontier have at it. We predict some novel suggestions that NASA and
commercial contractors may want to adopt.
We have suggested in Part I of this
article, that modules should fit (yet-to-be-)standardized Earth-Moon
shipping pods. The cheapest way of providing maximum elbow room, in the
era before modules can be manufactured on the Moon out of lunar
building materials, will be inflatable modules. Easy to deploy
“outfitting systems” for these inflatable units are another area worth
exploring through the device of an international design competition.
The inflatable manufacturer can set the constraints which will include
interior dimensions, purchase points, and ingress opening sizes. Then
let the contestants exercise their varied inspirations.
Onsite manufacturability of needed components
would be a design goal: maximum use of low-performance cast basalt,
glass composite, and crude alloy items should be the preferred contest
category. This way, expansion develops hand in hand with early startup
industries, and becomes a strong incentive for their earliest
development, saving substantial sums over importation from Earth.
Expanding on this theme, even equipment
in hard-hull modules arriving fully outfitted from Earth might be
limited to subassemblies of components not yet manufacturable on the
Moon. A very simple example would be cabinets, tables, floor tiles,
even chairs without horizontal tops or seats. These (tops or seats)
could be made of cast basalt, saving some weight in shipment. Many more
possibilities of this compound sourcing paradigm are worth exploring:
wall surfacing systems, simple utensils, appliance chasses, etc. See
MMM #18, Sep. ‘88, “Processing with Industrial “M.U.S./c.l.e.”
reprinted in MMM C #2.
http://www.moonsociety.org/publications/mmm_papers/muscle_paper.htm
We mentioned the need for shielding. The
development of simple canopy framework systems that can be locally
manufactured, then covered with regolith, would be invaluable. Such
canopies could protect stored fuel and other warehoused items that need
to be accessed regularly, so that personnel could do these routine
chores in less cumbersome pressure suits as opposed to hardened
spacesuits. Such canopies could also serve as flare shelters out in the
field at construction sites or at periodic points along a highway. An
easily assembled (teleoperated?) space frame system with a covering
that would hold a couple of meters (~yards) of regolith should be
another design contest goal.
Modular Power Generation,
Storage, and Heat Rejection Systems
This is a suggestion that NASA may well
not bother considering. The initial outpost power generation and
storage systems and heat rejection systems should be designed with
modular expansion in mind. NASA will not be reflecting on the needs of
expansion because its government mandate does not extend to expansion,
unless space advocates force a change, even if “just to leave the door
open for commercial developers who may follow.” We think such activism
is worth the effort.
Introducing Load-based
Modular Biospherics
In our opinion, NASA’s performance in
developing life support systems has been hit and miss. Chances to
incorporate a higher level of recycling on the Space Station were
passed up in the name of up front economies, even though such systems
will be absolutely vital on the Moon and Mars. To its credit, the
agency did have the BioPlex project in full swing in Houston. Yet it
was cancelled once NASA decided that "permanent" applied to moonbase
structure, not to its occupation. But even had such research continued,
we worry that the outcome would be a centralized system that might work
for the designed size of the lunar outpost, and not support further
expansion.
The centralized approach to biospherics has a
famous precedent: Biosphere II. We think centralized approaches are not
the way to go. Instead, we should develop load-based decentralized
systems. In this approach, wherever there is a toilet - in a residence,
a workspace, a school, a shopping area, a recreation space, etc. there
should be a system to pretreat the effluent so that the residual load
on a modular centralized treatment facility is minimized. The Wolverton
system is what we have in mind.
If all outpost modules with toilets have
built-in pretreatment systems, then, as the physical modular complex
grows by additions, the “modular biosphere” will expand with it.
Expansion will not race ahead of the capacity of the contained
biosphere to refresh itself.
Another essential element of modular
biospherics is having plants everywhere. A phone-booth sized salad
station will not do. Useful plants can be grown through-out the lunar
outpost: they can provide additional salad ingredients and meal
enhancers: peppers, herbs, spices, even mushrooms. Even decorative
foliage and flowering plants help keep the air fresh as well as provide
a friendly just-like-home atmosphere. Plants in front of any window or
viewing portal would filter the stark and sterile barrenness outside.
Plants must not be an afterthought. We
cannot long survive, let alone thrive as a species that hosts
houseplants. We are a species
hosted by the lush vegetation of our homeworld. We should
never forget this. We cannot go with the attitude of “let’s build some
cities, and a token farm here and there.” Rather we must go to build a
new vegetation-based but modular biosphere which will then host our
settlements.
City dwellers all too easily discount
the farm. We have houseplants as botanical pets. That
paradigm won’t work. Designing all habitation and activity modules to
include vegetation as an integral feature will help allow the biosphere
to grow in a modular way along with the physical plant. It will be a
more enjoyable place to live as well.
NASA is unlikely to pay these
suggestions a glancing thought. We hope that commercial contractors,
whose long range plans are not limited by governmental myopia, are more
farsighted. Modular biospherics should be part of their business plans
for any industrial settlements or tourist complexes on the Moon.
Teleoperation of
construction & assembly tasks
Tel•e•o•per•a•tion: the remote control of the operation of untended
equipment; radio-control
Actually, “teleoperation” is a relatively new
word coined by space development writers. Even though we have been
using it for two decades or more, it has escaped notice by those who
are supposed to keep dictionaries abreast of the times.
The basic idea is do what we can, remotely, on the
Moon, when human on site labor would be expensive, or dangerous, or
best reserved for things which cannot yet be easily remotely performed.
What makes teleoperation practical on the Moon, but discouragingly
tedious on Mars, is the speed of light that governs remote control by
radio. At that speed, there is a bit less than a 3 second delay between
a teleoperators “joy stick” movement and the observation of the command
being performed on the Moon. Numerous experiments, many of them by
enthusiasts, have shown that this small time delay is manageable.
Proposals on the table
for teleoperations on the Moon
Over fifteen years ago, it was suggested that
mini-rovers on the Moon could be “raced” against one another over a
prescribed course, the race watched on television, with the contestants
paying for the privilege. The idea was to raise money.
More to the point, it has been suggested that equipment
placed on the Moon could be tele-controlled to grade and prepare a site
for a lunar outpost; and once that was in place, the same or additional
teleoperated equipment could cover it with regolith shielding, in
advance of the arrival of the first moonbase crew. These would be
time-consuming tasks for human crews. By tele-performing these
operations, the crew would arrive at a Moonbase all set to go.
Beyond Site and Outpost
Preparation
There will be “too much to do” for the
small initial crew right from the outset. Nor will this change when the
outpost begins to grow, not even when the first true settlers arrive.
It is a truism of all frontiers, that there is always too much to do,
that needs being done, than people to do it all. Sending people who are
each multi-talented will certainly help. But that will not change the
fact that there are only so many hours a day, and that there
are limits beyond which driving individuals to put out ever more and
more will backfire.
More to the point, there is a question
of priorities. Somethings are too sensitive and/or too complex to be
performed remotely. Hair-trigger responses are needed. On the other
hand, there are tasks that are reasonably dangerous to perform, with a
high risk of injury, or even death. These considerations give us a
basis on which to decide when it is better to teleoperate, and when it
is best to have an on site individual perform a task.
Add to that the financial considerations. Each
man-hour of work, regardless of the payscale, performed on the Moon,
costs much more than that person’s pay. You have to factor in what it
cost to send that person to the Moon, maintain him/her there in good
health, and to eventually (at least in the early phases of our
open-ended presence on the Moon) return the person back to Earth.
It makes even more sense then, to find a way to
teleoperate all risky and dangerous jobs, all routine and tedious jobs,
and anything else we can do to relieve base personnel of any work we
can so that they can get on with doing what only they can do. That way,
the outpost, whether it is manned by four or forty or four hundred, can
advance more quickly, will get more accomplished, thanks to its ghost
army of teleoperators back on Earth.
Yes, we’d all like to see the lunar
population to swell quickly to the hundreds, the thousands, maybe
someday the hundreds of thousands. Doesn’t taking jobs away from real
people on location counter that goal? To the contrary, it advances it,
because at each stage this pocket of mankind will be more productive,
allowing it to grow faster, not just in industrial diversification and
export output, but also in numbers. And the extra productivity earned
by teleoperations, will make the settlement bottom line more
attractive, less a target for budget cutters on Earth. When they
arrive, their habitat space will be ready, thanks largely to
teleoperated tasks.
What all can we teleoperate?
Site preparation, grading, road
building, excavation, shielding emplacement, repeatable construction
and assembly tasks, deploying radio/microwave repeaters, deployment of
solar power stations, initial prospecting surveys. (much more,
especially in a given time, than Spirit or Opportunity can do), setting
charges in road building, gas scavenging, preliminary routine
prospecting surveys, lavatube exploration, etc. - i.e., many tasks that
need to be done out on the surface, minimizing EVA hours by personnel
in space suits.
- Tending agriculture
installations, routine watering, weeding harvesting, fertilizing, etc.
- Many factory operations,
especially dangerous ones
- Desk work, paper pushing,
document processing tasks
The priority should be (a) to take care of as many
out vac tasks as possible which would be exhausting and cumbersome for
people working in space suits, and not without real risk. (b)
exploration of subsurface voids - lavatubes. (b) inside operations
which carry some danger. (c) routine, repetitive, and boring tasks to
the extent that they cannot be automated. (d) utility and air/water
treatment routine tasks, (e) routine inspection jobs, (f) some
bureaucratic paper work, minimizing the amount of desk work that has to
be done on location. (g) when the time comes, the bulk of routine
teaching assignments. Again, one must keep in mind, that teleoperations
are to prepare for humans to settle in and live comfortable fulfilling
lives.
What we can do now
If we succeed in putting together an aggressive
Lunar Analog Research Station program, one thing we don’t have to do is
prove the value of human-robot teams in field exploration. We have
already made that point in the Apollo program years. So practicing
lunar geology is not a high priority, nor is field exobiology. The
M.A.R.S. analog stations have done great work in this area. Again,
we’ve already made that point almost forty years ago.
On the other hand, the Mars people have
no need to demonstrate teleoperations skills, as Mars much greater
distance, from 125 to 400 times further from Earth than the Moon, makes
teleoperation impractical - unless they want to come to their senses
and realize how much faster the Martian globe could be explored with
fleets of minirover probes teleoperated from just above, from shielded
stations on Phobos and/or Deimos.
Teleoperation with a 3 second time delay has been
demonstrated many times, but mainly in the “driving” of rovers. More
complex tasks such as site preparation and shielding emplacement via
teleoperation have not been demonstrated. These are challenges suitable
for college level engineering teams, and the demonstrations could be
done at an analog station. What we’d need for terrain, at least in the
area where we would be teleoperating is a physical analog of lunar
moondust or regolith. The elemental and chemical composition would be
irrelevant. The mix of particle sizes and the behavior of the mix in
handling would be essential. It would be in NASA’s interest to fund
creation of such a site, whether a sandy gravel mix native to the area
was further transformed to meet the experiment constraints, or whether
the faux regolith was prepared elsewhere and trucked in.
Once site preparation and shielding
emplacement techniques were demonstrated, we could ramp up
the challenges to include road construction and many other chores we’d
prefer not to have done by humans in cumbersome spacesuits, exposed to
cosmic radiation.(ab) teleoperated exploration of a nearby lavatube
would be possible in some of the sites under consideration (Bend, OR;
El Mapais National Monument south of Grants, NM, Craters of the Moon
National Park in Idaho). But we could run such tests at one or more of
those locations whether we had deployed an analog research station
nearby or not. We could also try to develop teleoperable greenhouse
systems, water recycling systems, ACC; even though we don’t need to
demonstrate human geology field work, we could demonstrate
teleoperation of prospecting probes.
The possibilities are many, and will
grow with the complexity of our outpost, and its continued growth.
Teleoperators on Earth
These people, whether unpaid volunteers,
or paid assistants, should earn status as “lunar pioneers.” For even if
they never personally set foot on the Moon, the fruit of their work
will be in evidence throughout the area where human settlements
spread.
So far we have been talking about
architectural considerations that would prime any startup lunar outpost
for expansion, no matter how restricted its mandated goals.
But expansion, as well as original deployment, requires construction
and assembly. To the extend that individuals in spacesuits are involved
in this work, it will be dangerous and risky. Human manpower hours on
the Moon will be expensive to support. Loss or incapacitation of just
one person in an outpost construction accident would be a major and
expensive one.
In order to maximize crew
usefulness and productivity as well as health and safety as many tasks
as possible should be designed for remote operation by persons safely
inside the outpost or construction shack, or by teleoperation by less
expensively supported people back on Earth. The latter option may be
more technologically demanding but it is far more preferable. Every
construction operation tele-controlled from Earth frees personnel on
the Moon for things that only personnel on site can accomplish. The
result is progress is surer, safer, and yet quicker. The outpost is up
and running in less time, with everyone healthy and ready for real
duties.
III. Locate for local, regional,
and global expansion options
The writer’s position on moonbase siting
is well known. We have no problem with being all alone in seeing a
lunar south polar outpost as a dead end. But we hope that commercial
contractors will be more farsighted. The problem is that we need to
plan not just one outpost, but an outpost that can be a center from
which an industrious human presence will spread across the lunar globe.
In their very well brainstormed proposal
outlined in “
The Moon: Resources, Future Development and
Settlement”, David Schrunck, Burton Sharpe, Bonnie Cooper,
and Madhu Thangavelu present a comprehensive plan for establishing such
an outpost at the south pole and for spreading out from that center
across the globe via an electrified lunar railroad. We certainly
support the latter idea and have written independently on the
feasibility of electric lunar railroads.
But we fear that south pole advocates
have discounted the dangers of operating in a polar environment, in
mountainous terrain, where the sun is always at or just below the
horizon or immediately above it casting constantly shifting
“blackhole-black” long shadows. We also suspect that the difficulty of
deploying a solar power tower system in mountainous terrain is not
addressed. That the nearest highland/mare “coast” where resources of
both terrain types needed for industrialization are accessible is 1,300
miles distant is another overlooked disadvantage. That sunlight is
available 86% of the time does not erase these drawbacks.
Water-ice may exist at the poles. But
hydrogen is everywhere on the Moon in the regolith, ready to harvest.
As much as we need water, we will use far greater tonnages of other
materials. Do we bring Mohammed to the Mountain or the Mountain to
Mohammed?
There is, it seems, an unstoppable
bandwagon for the South Pole. Commercial contractors interested in
developing lunar resources and/or tourist facilities, are likely to
take a second look. Our hope lies with them.
A NASA-International lunar polar outpost may
survive, minimally manned to tend astronomical observatories in the
area. If we mine polar ice preserves it makes more sense to do that in
the north polar areas. If the observatories go unsupported, one day,
lunar tourists may visit the historic ruins at the South Pole.
IV: ISRU, In Situ (on
site or on location) Resource
Utilization
NASA’s announced intention is to begin a modest
program of ISRU, in the form of oxygen production from the regolith. A
major problem with the plan has emerged, however: NASA is designing the
Lunar Ascent Module to use fuels that do not include oxygen! Yet oxygen
is not only needed for life support, if transported to Low Earth Orbit,
it can be used on the next run out to the Moon, saving the major
expense of getting oxygen-prefuelled vehicles up from Earth into LEO.
We hope that NASA is not dissuaded from going ahead with its modest and
limited ISRU project, however, as it will be just the beginning, the
first step in using “on location” [Latin “in situ”] resources. [Since
this was written, BASA has indeed scuttled its ISRU oxygen production
plans.]
First, the basics
We need to begin with basics, such as cast basalt
and sintered iron fines collected with a magnet. These can provide
abrasion-resistant chutes and pipes and other items for handling
regolith, and low performance metal parts respectively. Then we can
handle regolith more effectively to feed additional ISRU projects.
Composite Building
& Manufacturing Materials
Long before we can produce iron, aluminum,
magnesium, titanium and workable alloy ingredients, we can make useful
building materials out of raw regolith and minimally enhanced
regolith. processing elements and building materials from the
regolith. Using highland regolith with a higher melting point to
produce glass fibers, and mare regolith with a lower melting point to
produce glass matrix material, we can produce glass-glass composites on
the analogy of fiber reinforced resins (fiberglass). But to make this
work we need to bring down the melting point of the mare glass matrix
material further by enriching it with sodium and potassium. (A study
funded by Space Studies Institute recommended the expensive import of
lead as a temperature-reducing dopant!) This gives us an action item:
isolating sodium and potassium, or sodium and potassium rich minerals.
If we can also isolate sulfur, we can experiment
(and yes, why not here and now?) with fiberglass-reinforced sulfur
matrix composites. Simpler yet, we can make many low-performance
household items from “dishes” to planters to table tops and floor tiles
from crude raw glass and cast basalt, no processing needed other than
some sifting.
We will bet that glass composites, sulfur
composites, cast basalt, and raw basalt glass will all find profitable
terrestrial applications which may make the predevelopment of these
technologies attractive to entrepreneurs, thus putting at least a
close analog of techno-logies needed on the Moon, “on the shelf,” in a
reverse of the usual “spin-off” sequence. We call this “
Spin-up.”
Metal Alloys
Using ilmenite (we can now map
ilmenite-rich mare deposits on the Moon) we can use this iron, oxygen
and titanium mineral to produce all three elements. It is the first
ISRU Suite to be identified. We need to identify more such "suites".
Lunans will not live by oxygen alone!
Aluminum, abundant though it is, might be the
hardest to produce, magnesium, somewhere in between. The catch is that
for all four of these “engineering metals” the elements we regularly
combine them with in order to produce workable alloys are rare on the
Moon. For iron and steel we need carbon. For aluminum we need copper,
and to a lesser extent zinc.
The action item here is for metallurgists down
here on Earth to dust off old alloy experiment records. Some pathways,
while doable, promised less superior results, and may have been
abandoned. If they involved alloy ingredients that are economically
producible on the Moon, we may have no choice but to go down that route
to see where it leads. We need to do research now on lunar-feasible
alloys that will perform in a “second-best” manner. Second best is
better than nothing.
At a minimum, we need to be able to isolate, or
produce, not only the four engineering metals, present on the Moon in
parts per hundred, but all the elements present in parts per 10,000.
See middle square below
Agricultural Fertilizers
From past NASA experiments with the
Apollo Moon samples, we know that regolith has about half of the
nutrients needed for healthy plant growth. Using gas scavenging
equipment on board all earth moving vehicles (road construction,
shielding emplacement, material for processing and manufacturing) we
can use the harvested carbon and nitrogen and hydrogen to make
fertilizer supplements. Potassium we will find in KREEP-rich deposits
around the Mare Imbrium rim. Other elements hard to produce on the Moon
can be used to manufacture cannibalizable shipping containers and
packaging materials,to “stow away” on a ride to the Moon.
Let there be color!
Combine humidity, likely to be higher in
pressurized habitat spaces, with the iron fines in regolith and we get
rust for a splash of color. Titanium dioxide produced from ilmenite
will give us white. Combine rust and white and we get a pink. Black,
many gray shades, white, rust and pink. The rest will be harder. Metal
oxide pigments will be a secondary goal in our processing experiments.
Using the Slag and
Tailings
Slag and Tailings are in themselves “beneficiated”
stuffs from which we can probably make many low performance household
items and construction elements. Doing so will reduce the “throughput”
of our young lunar industrial complex. By treating these byproducts as
resources rather than as waste (“wasources”) we reuse the energy that
was used to form them. This will work to greatly reduce what the
settlement “throws away” - the goal being “nothing!”
Export Potential
Killing two birds with one stone has always
been a desirable strategy. ISRU products from oxygen to metal
alloy and non-alloy building and manufacturing materials will reduce
the need for expensive imports as Lunan pioneers learn to make more of
the things they need to expand their settlement and outfit it in a
livable manner.
But for long-term economic survival it
is essential to go beyond reducing imports. There will always be some
things the settlement is not large enough, and its industries not
sufficiently diversified to produce. There is a need to pay for these
imports. We cannot rely on any long-suffering generosity of terrestrial
taxpayers. We can pay for our imports with credits from exports. Now in
addition to proposed energy exports, and various zero-mass exports
ranging from communications relays to broadcasts of unique lunar
sporting (and dance) events to licensing technologies developed on the
Moon, there is an area of real material exports.
As long as one thinks of Earth as the Moon’s only
trading partner, this prospect seems outrageous. Shipping costs would
make lunar products very expensive. On the contrary, it is shipping
costs that will be the settlers’ trump card, if there are other markets
developing side by side in space. For example, while lunar building and
construction materials and outfitting products may seem crude and
unrefined to us on Earth, if they do the job, we can deliver them to
low Earth orbit commercial space stations, orbiting industrial
complexes, and orbiting tourist hotel complexes at a definite advantage
over any competitive product that has to be boosted up from Earth’s
surface. It’s not the distance, but the gravity well difference. For
any product we make, as far as in space markets go, Earth will not be
able to compete.
We have to think of the future economy
as including not just Earth and the Moon, but other areas in nearby
space that will become areas of human activity. This market will
continue to work to the advantage of the rapidly diversifying lunar
economy and growing lunar population as the population in orbit
continues to grow, and as Mars begins to open up. It can only get
better. But ISRU, not just of oxygen, but of many
elements, and materials made from them, is the key.
ISRU and Rare Elements on
the Moon
Dennis Wingo, in his recent book
Moonrush, sees the Moon as a
potential source for platinum needed for fuel cells to make the
forecast Hydrogen Economy work. None of the samples returned by the six
Apollo landing missions and the two Soviet Lunakhods showed this
element to be present in more than parts per billion. Now you can say
that we only sampled eight sites. Not quite true when you consider that
at any given location on the Moon, only half the material is native,
the other half having arrived as ejecta from impacts elsewhere on the
Moon. In that sense the areas of the Moon samples are somewhat
representative. Wingo argues that platinum-bearing asteroids had to
have bombarded the Moon. We do not quarrel with that. But it is likely
that the infinitesimal smithereens are scattered all over the place
with no enriched concentrations anywhere. Now we’d be happy to be
proven wrong.
Geologist Stephen Gillett, University of
Nevada-Reno, and an expert on lunar geology, now thinks that the way to
beneficiate (increase the concentration of) scarce elements is to feed
regolith to bacteria in vat cultures, the bacteria having been
bioengineered to feed preferably on given elements.
Dr. Peter Schubert of Packer Engineering
in Naperville, Illinois outside Chicago, has developed an on-paper
process, patents pending, that would use shoot regolith into a 50,000
degree (C or F?) laser beam and separate out the various elements and
isotopes and direct them to separate catching containers. This is, of
course, the ISRU process to end all ISRU processes. We are not
qualified to estimate what is involved in development of a working
demonstrator, or at what scales this process would operate most
efficiently. It does seem to require a considerable energy input,
perhaps from solar concentrators. It offers a glimpse of the future,
when lunar settlements are shipping megatons of sorted elements for
construction projects in space. (L5 revisited.)
Summing Up
√ We cannot thrive on oxygen production alone! We need to
concentrate on other ISRU goals, especially ISRU Suites or Cascades in
which more than one element results.
√ We need to enable with research now, early industries that fill needs
and defray imports - Building, Construction and Manufacturing materials
√ We need better, higher resolution global lunar maps, that show not
just where we will find regolith enriched in iron, calcium, thorium,
and KREEP (what we have now, at least at poor resolution.) We need
orbiting instruments to indicate the richest concentrations of many
other elements we will surely need. Action
item: suggest to NASA in detail, the kind of instruments
it should fly on planned orbiters.
√ As this information comes in, keep reducing the long list of
settlement locations to a short list. What we have noted already,
demands, if we truly want lunar industries and industry-based
settlement, to look elsewhere than the highland-locked poles. What we
need is a Highland/Mare Coast, near ilmenite and KREEP
deposits. That would give us access to all the major and most of the
lesser abundant elements present on the Moon. But we may have to
establish a number of settlements, each in differently endowed
locations. After all, one settlement does not make a "world!"
√ We must research reuse options for pre-beneficiated tailings as
building materials with lesser performance constraints. On Earth, there
is no shortage of abandoned piles of tailings with which to experiment.
Entrepreneurs, like artists, love free materials.
√ Many experiments are possible with obvious terrestrial applications
which may prove profitable.
√ We need an organizational machine that will work to identify all
these research needs and attract effective attention to them, serving
as a catalyst to get the work done.
√ The goal, if we choose to accept this mission, is to return to the
Moon, ready to start building-out
the first resource-using settlement, so that the NASA Outpost can do
science for a while, then retire to become an historic lunar national
park site. In short, our goal is “Escape from the NASA Outpost” -
returning to the Moon with the tools needed to avoid the “Outpost Trap.”
V:
Industrial Diversification Enablers
1. Accepting the
dayspan-nightspan energy challenge
It is not enough to develop the
technologies needed to turn on-location resources into products for
domestic use and export. We have a little quirk in the way the Moon
does its own business, rotating in and out of sunlight every lunar
“day” that presents a considerable challenge. The Moon’s “day” is
almost 30 times as long as the one we are used to.
The challenge is to find ways to store
up as much energy as we can during the 14.75 earthday-long dayspan as
potential energy, to keep us running on a lower but still productive
level through the 14.75 earthday-long nightspan.
Yes, that’s why so many lunar advocates
are drawn like moths to the eternal sunshine of very limited and rugged
areas at the Moon’s poles. But if you read the last two pages, you will
know that except for water ice, the resources needed to build an
industrial lunar civilization lay elsewhere. We will have to ship the
ice to the settlements just as we ship the oil from Alaska’s north
coast to California.
There is no way to avoid taking on the
dayspan-nightspan challenge. Turn aside from the challenge and we may
be limited forever to tiny ghettos' at the lunar poles. Accept and win
the challenge, and the Moon is ours,
all of it.
The options for dayspan storage of
energy to use during nightspan are treated in other articles.
See:
2. Accepting the reduced
nightspan power challenge
We might think of the pioneers waiting
out the two-week long nightspan playing cards, writing their memoirs by
candlelight, and making love for want of something else to do. But if
we successfully meet the dayspan power storage problem, the pioneers
will have enough energy to continue being productive by focusing and
concentrating on less energy-intensive and perhaps more
manpower-intensive tasks and chores, leaving manpower-light and
energy-intensive processes for the dayspan. Inventory, scheduled
maintenance, product finishing, packaging and shipping, etc.
The challenge is to take every operation and sort
it into the two kinds of tasks or steps stated above. Not every
industry is going to lend itself easily to an equal “division of
scheduled labor.” Some will need more man-hours during the dayspan and
have few assignments to keep as many people busy during dayspan. Other
industries may present the opposite situation. One can see arrangements
where some employees work for company A during the dayspan and company
B during nightspan.
Can we come to a plan whereby everything
evens out and everyone is kept busy all “sunth?” (the Sun appears to
revolve around the Moon once every 29.53 days, whereas the Earth does
not, i.e. sunrise to sunrise marks the period we know as new moon to
new moon, “month” for us, “sunth” for them. I digress.) We have stated
an ideal. In reality, a lot of trial and error and the steadily
increasing diversification of lunar industry predicts an ever-shifting
employment situation. Our purpose is to suggest the process management
research that we need to undertake now, industry by industry, business
by business if we are to have any hope of making ourselves “at home” in
the lunar dayspan-nightspan cycle. At stake is the success of lunar
industrial diversification, and the competitive market cost of lunar
export products.
3. Accepting the
radiation challenge
“The Moon is a Harsh Mistress,” blares the title
of one of Robert A. Heinlein’s best-known science-fiction novels. Part
of that harshness comes from seasonal solar flares of great intensity.
Part of it comes from incessant cosmic radiation from all quadrants of
the sky. Part of it comes from the Moon plowing through space rivers of
meteoritic dust left behind by comets.
All of these dangers call for shielding.
The most used lunar resource of all is going to be plain regolith,
piled up above habitation and working spaces, directly, or indirectly,
that is over hanger-type frames with habitat structures and vehicles
safely inside.
We understand the challenge, and the many options.
We are prepared to meet the challenge for people in place. But what
about for people in transit? A solar flare can hit the Moon with
insufficient warning to allow vehicles more than a few minutes from
base to return in time.
We need to give attention to the architecture and
building systems to deploy at the least expense, effective wayside
flare shelters at regular intervals along roadways. Whether they are
lightly or heavily traveled makes a difference not in the spacing and
number of shelters, but in how capacious or large such shelters are.
The Moon, like any new frontier will remain
hostile and unforgiving only until we have mastered the ways of dealing
with the new environment
as if by second nature. The need to cover our bodies from
the rare but hard to predict solar flare is one we must take seriously.
Lunar industry must anticipate this need.
Working out-vac (in the surface vacuum) in
spacesuits will be cumbersome and tiring. For routine tasks such as
accessing out-vac utility systems or outside storage items needed on a
regular basis, it would make sense to place all these items under a
shielded unpressurized hanger, shed, or canopy. Then a lightweight
pressure suit will do, and that will greatly reduce stress, fatigue,
and discomfort. The architectural systems for this everyday out-vac
shelter system are the same as those needed in the event of solar
flares. We can meet this need now by university-level architectural and
engineering competitions, with ease of deployment and of shielding
emplacement above the frame all being part of the challenge.
4. First industries first
It will be a challenge in itself, just
to decide which industries to deploy first and just which of many
possible paths lunar industrial diversification will take. As in
picking a college course, one has to give attention to “prerequisite”
courses. Likewise, some industries pre-suppose others in place
beforehand, and in turn enable yet additional industries. Some
industries will be viable only if developed side by side, step by step.
Now there’s a doctoral thesis for someone!
We make no pretense of being able to sketch such a
tree of industrial ancestors (prerequisites) and descendants
(dependants) , but would like to start with some notes about what we
need to break out of the Outpost Trap. Rather than repeat, we ask the
reader to take a second look at MMM # 91 Dec. 1995 p 4. “Start Up
Industries on the Moon” - reprinted in MMM Classic #10, a free download
pdf file at the sites listed above. Also MMM # 191 DEC. 2005, p 7.
First Lunar Manufacturing Industries - available as a Moon Society
username/password accessed directory of recent MMM pdf files;
www.moonsociety.org/members/mmm/
But, first things first!
- regolith bagging and other regolith shielding systems
enhanced
- prioritization of fabrication of furnishings and outfitting
needs for inflatable modules
- using those same industries to fabricate things for
residential quarters.
- Some early art and craft media to make ourselves feel at
home with art expressed in native materials
5. One Size does not fit
all
In last month’s installment, MMM #198
page 4, “Modular Transportation” and following, we mentioned that
importing modular factory pods and utility pods made sense. That said,
a system that works on that scale, say a trailer for a Semi Tractor,
may not be the best choice for a smaller installation, nor for a
settlement that had grown considerably. We need to base our judgment of
system efficiencies and production on scale-dependent guidelines. For a
tabletop demonstration, one ISRU device may work fine, but fail utterly
on a much larger scale, and vice versa.
6. Attitude is the
make-or-break ingredient
If your way of operating causes a
problem, you are unlikely to contribute to a solution. At every stage
of human advancement, there have been "shingle"-qualified experts who
have said this or that could not be done. A favorite trick in teaching
students how to handle such situations is to ask them to jot down all
the reasons such and such is impossible to achieve, and then, after
they have done so, give them a second assignment: “Now right down all
the reasons why we are going to do it anyway!”
We have to bypass stuck-in-the present
experts and look for “Young Turks” with an open and aggressively
adventurous curiosity, determined to find workarounds and new pathways
where none were suspected before.
The Moon will be one hard nut to crack.
I am sure a human ancestor in Africa a hundred thousand years ago,
suddenly transported to the northern coast of Greenland would have
thought the same thing. But we did crack that nut. The Innuit and
Eskimo take living under such conditions for granted. They handle the
challenges that would be life-threatening to us,
by second nature.
If we get raised eyebrows along the way,
“industrializing the Moon, are you?” let those raised eyebrows
encourage us all the more. The epic sweep of the human saga from Africa
to continents beyond the shores of their home continent/world runs
through our veins. We will do this, because we are humans. And as
before, we will become even more human in the doing of it. For the
challenge of settling the Moon will bring out new capacities in us,
capacities we did not know we had, because we were never challenged
before to rise to occasions such as lay before
us.
VI: The Entrepreneurs
1. Launch vehicles,
Modules, Services
We are used to thinking of “space entrepreneurs”
as involved with startup launch companies. Certainly, those are the
most visible. Right now, the markets for enterprise involvement are
still few, but the pace of new starts is picking up. NASA is one of the
forces involved, determined to replace the Shuttle with Commercial
launch companies serving the ISS with cargo and personnel transfers.
The agency is also trying to find minor roles for private service
providers in the return to the Moon and establishment of a small
science outpost.
As the International Space Station and possible
other orbital facilities grow and multiply, the market for various
kinds of enterprises providing logistics services will grow with it.
2. Space Tourism
But the real glamor is in the infant space tourist
industry. Here entrepreneurs are involved in providing man-rated launch
vehicles, vehicle operation services (
Virgin
Galactic), and space destinations (
Bigelow
Aerospace.) This entrepreneurial area promises to grow
continually, with not just orbit in mind, but non-landing loop-the-Moon
excursions. Before the first of those, possibly within the next two
years, some will start planning how to offer self-contained moon
landing sorties.
Some dismiss tourism as a driver. This
is a mistake. Discretionary income is rising, and worldwide, tourism is
near the top in income-earning sectors. We have believed,
that failing a viable Moon-based energy production effort, tourism
alone has the capacity to open the Moon. Read MMM #161, Dec. 2002, pp.
4-5 “Tourist Clusters on the Moon.” - available as a Moon Society
username/password accessed directory of recent MMM pdf files;
www.moonsociety.org/members/mmm/
3. Making Money by Laying
Foundations
Stating way back in July, 1988, in MMM
#16, we began describing a way of doing business that turns “spin-off”
on its head. Instead of NASA doing an expensive crash R&D
technology project at the expense of unwilling taxpayers, then, later
making the technology available free to enterprises, a would-be
entrepreneur looks at the technologies NASA needs (or that we need to
go beyond NASA and break out of the Outpost Trap) and brainstorms them
for potentially profitable terrestrial applications, creates a business
plan, and goes ahead with the needed R&D to be ultimately
reimbursed by willing consumers, precisely for those identified
terrestrial applications. In the process, a technology needed on the
frontier, or a close analog thereof, gets put “on the shelf” free of
charge to taxpayers.
We have talked about a number of technologies in
need of R&D, and the way to get this done in a timely fashion
is not a taxpayer-paid crash program, but by a spin-up enterprise. The
options are too many to number, indeed too many to imagine.
So how do we connect potential entrepreneurs in
search of a business idea/plan with our laundry list? That is the
question, and in a month or two we hope to give you the start of an
answer, involving a meta/mega project that will subsume and interrelate
all other Moon Society projects and keep us on course on the path to a
viable lunar settlement civilization.
VII:
Moonbase Personnel
The most critical
moonbase system
to success is the human
one
There have been many Human Factors
Research studies done at the two Mars Analog Research Stations to date,
but they all suffer from involving short crew stays. Most anyone can
put up with anything for two weeks. Studies aboard submarines and at
Antarctic stations are more helpful, but still do not mirror conditions
we will find on the Moon and Mars.
Many ordinary human activities, are not
modeled because they can be postponed. This includes exercise, sport,
many kinds of recreational activities, get-away-from-it-all options,
indulging artistic abilities, etc.
A more thorough investigative approach
should give clues as to which type of modules and facilities, and the
activities that they will enable, should be added, and in what
priority. At stake is general crew morale, productivity, and
safety as well as general health.
That said, NASA’s purposes and our purposes are at
loggerheads. NASA would indefinitely man a lunar out-post with crews
being regularly rotated, baring events unforeseen. Our goal of breaking
out of the outpost trap towards settlement, means finding ways to
encourage personnel to willingly re-up, i.e. stay for “another tour”
without limit, so long as health of the individual and of the crew at
large is not an issue. That means providing the kind of perks that
- increase morale and improve performance
- promote willingness to re-up so as to give the weight
allowance for his not-needed replacement to valuable imports of
materials and equipment, especially tools and equipment to fabricate
and experiment
- create a plan for outpost expansion of modules, the
facilities they house and activities they enable
Providing for a full
range of human activities:
- getaway “change of scenery” spaces and out-places
- a range of customizing options for personal quarters
- menu diversity and variety, including fresh salad stuffs
and vegetables on occasion
- schedule breaks (take advantage of the dayspan/ nightspan
cycle for regular changes of pace such as a alternating types of work
and recreation
- allow fraternization between crew members, without
harassment, of course
- promote expression of artistic and craftsman instincts
using local materials and media
- Experiment with lunar sports and other recreational
activities. Lunar-unique sports and performing arts will be activiites
that make crew begin to “feel at home”.
- out-vac sport & recreation on the surface
- an indulgent spa and an exercise gym
- telecasts to Earth of everything unique and special
- “while you are here” opportunities for excursion
exploration and “tourist” experiences and memories
All this both presupposes and prepares
for an orderly expansion beyond the original functional and space
limits of the original outpost. But that’s what we need to do to
“breakout of the Outpost Trap.”
VIII: Strategies for Organizations
self-tasked with helping
make it happen
Many have heeded the call
Several organizations have appeared over the years
who have taken upon themselves to help advance the day when space
settlement, and lunar settlement in particular, might become a reality.
Space Studies Institute, the former L5 Society, the Space Frontier
Foundation, Artemis Society International, The Mars Society, The Mars
Foundation, The Moon Society, and the National Space Society have
pursued these goals on the national and international level. NSS,
however, has traditionally limited its set of tools to political,
public, and media outreach.
On a smaller scale the Lunar Reclamation Society
(publishers of Moon Miners’ Manifesto), the Oregon L5 Society, and
Calgary Space Workers have done, and still continue to do what they
could to lay foundations. Other outfits have come tried for a while,
only to disappear.
“
Nature abhors a vacuum”
The premise on the table is that NASA,
most probably with international partners, will establish a minimal
outpost on the Moon. Several successions of the US Administration and
Congress will have to go along with these plans and that makes these
plans and announced intentions and commitments highly contingent and
“iffy.” Further, as individuals and organizations, we will have very
limited ability to influence these critical decisions.
But even if all goes as planned, an international
lunar outpost will fall far short of establishing a permanent civilian
presence on the Moon. Permanence cannot simply be declared. It has to
be earned.
Room for the rest of us
to rise to the occasion
What we can do, is to work to see that the needed
technologies are in place to enable a “breakout” from any such
limited scope outpost, in the direction of resource-using open-ended
civilian settlement.
We have looked at several general areas
in which a lot of work needs to be done:
- Pushing the Teleoperations Envelope
- Shielding Emplacement Systems
- Warehousing Systems
- Modular Biological Life Support Systems
- Dayspan Power Storage Systems for Nightspan use
- Modular Architecture & Construction Systems
- Transportation Systems, to, from, and on the Moon
Tools at our disposal in
seeking to further these goals
- Brainstorming workshops - We would gather those at the
forefront of experimentation in a given field, ask each to list (a)
what we know, and (b) what we don’t know. Combining these surveys, the
workshop decides on the most promising areas for collaborative research
and experimentation.
- Design contests - many things are in need of having design
options fleshed out: shielding emplacement systems; shielded but
unpressurized canopies and hangers; modular architectural languages;
the list is long
- Engineering competitions - shielding emplacement systems
vie to demonstrate trouble free operation, speed, efficiency, etc.;
various options for storing excess dayspan solar power for nightspan
usage; interfaces between connected modules, the list is long
- Talent recruitment - our collective memberships do boast
some people of real expertise and talent, perhaps lost in an abundance
of well-intentioned lay persons. We definitely need to recruit talented
people in all areas of science and technology, architecture, systems
management, biological life support, lunar agriculture, and in many
more areas
- Moonbase analog stations as equipped settings for
demonstrations of candidate technologies. Various types of sites offer
advantages for various types of demonstrations: lava sheet areas
perhaps with handy lavatubes; any sparsely vegetatwd pulverized surface
area for demonstrations in which the physical attributes of
lunar regolith are more relevant than the mineralogical and/or chemical
ones: enclosed lighting-controlled environments where dayspan-nightspan
operations can be simulated; almost any location where biological life
support and food production systems can be demonstrated
- Lunarpedia.org - a dedicated
lunar-relevant wiki which will attract quality articles about the
nature of the Moon, its resources, and the possibilities for
integrating the Moon into a Greater Earth-Moon economy, and the
possibilities for those involved to make themselves at home.
- Early astronomical facilities on the Moon - we can promote
design contests, engineering competitions, and the creation of
university consortia in support of such a “foot in the door.”
- Citizen Exploration, aka tourism - Loop-the-Moon tours are
closer than most imagine. Beyond that, the first limited
land-and-take-off-again tourist missions could conceivably occur before
the deployment of the first agency outpost. Such a development will
create a precedent for a truly permanent civilian presence on the Moon
not limited to any one surface station.
- Spin-up Enterprise incubation - draft business plans
entrepreneurs could use to develop needed technologies, now, for their
profitable terrestrial applications
Marching Orders for
whichever organizations
choose to step up to the plate
This becomes the strategy for the Moon
Society, and its affiliate and partner organizations. It will come to
define “who we are” and “what we do.” What we must do!
END