[ExI] Skylon as first stage.
eugen at leitl.org
Thu Apr 21 09:03:20 UTC 2011
On Wed, Apr 20, 2011 at 09:47:38AM -0600, Kelly Anderson wrote:
> How much of the material necessary to create solar power satellites is
> easily obtainable from the moon?
There are multiple ISRU projects under way:
> Also, the rocket that runs from a laser based on the ground... could
> that work from the moon just as well? What would the propellant be?
On the Moon, you can use linear motor/magnetic levitation launches.
You ideally start at one of the poles, creating annular structures
to make use of 24/7/365 insolation, and then progressively working yourself
towards the equator, building high-voltage transmission to provide
power to the night side to avoid shutting down for two weeks.
> Since there are no airplanes on the moon, it seems like a bit
> safer/easier place for that system.
The whole idea is to tap extraterrestrial materials and energy
sources to escape the limits of a crowded planet and a vulnerable
> I assume the water from the moon topic has been done here.
You don't need much water for ISRU producing materials and launch
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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