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Space Transportation - mmmt_transportation.pdf - Moon Society

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On the <strong>Moon</strong>, once there are two settlements of rival size, interdependent traffic between them will be<br />

relatively strong no matter how far apart they are (3,392 miles max, one half lunar circumference.) And there will be<br />

no real alternative, aviation being out of consideration.<br />

NOT FOR EVERYWHERE & NOT SOON<br />

The Interchute is a much more specialized <strong>transportation</strong> system than are railroads. Nor would realization of<br />

this dream be a down payment on “general aviation” in any sort of<br />

form realizable on the <strong>Moon</strong>:<br />

1. Interchute loops, of whatever length and frequency of use, will require a very large capital investment.<br />

2. The further two potential terminals are apart in terms of real alternative road travel time, the greater the time<br />

savings and the stronger the incentive to build an Interchute.<br />

3. Towns a few hours apart by good highway would not be good candidates no matter how much mutual traffic they<br />

generated. High speed rail (see MM Review #13, AUG 13, pp. 9-15 “Lunar Railroads”) or Maglev would be the Choice.<br />

http://www.moonsociety.org/publications/mmm_papers/rr_moon.htm<br />

Interchutes will be a travel option on the <strong>Moon</strong> some generations down the road, when and if the lunar<br />

frontier economy fully develops to its full potential, which is considerable. <br />

MMM #122 - February 1999<br />

Artemis Project Lunar Ascent Vehicle aka the “<strong>Space</strong> Motorcycle”<br />

Illustrations by Vik Olliver<br />

Note: NASA has since met this concept “halfway”<br />

By reducing the structure lifting off the <strong>Moon</strong>, and hence minimizing its mass, to the Lunar Lander “airlock”<br />

and by thus minimizing the mass returning from the <strong>Moon</strong>’s surface, the amount of mass and structure that can be<br />

left on the <strong>Moon</strong> is increased by that same amount.<br />

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