[ExI] rebuilding a saturn v today

Bret Kulakovich bret at bonfireproductions.com
Tue Mar 29 19:31:07 UTC 2011



Rebuilding Saturn V and no mention of Direct 3.0 ?

http://www.youtube.com/watch?v=diD20nLA8YM

Also a nice diagram here.

http://forum.nasaspaceflight.com/index.php?topic=17245.0


I thought it looked pretty reasonable, pending testing of course.


~]3



On Mar 29, 2011, at 1:26 PM, spike wrote:

>> ... On Behalf Of Adrian Tymes
> Subject: Re: [ExI] rebuilding a saturn v today
> 
> On Tue, Mar 29, 2011 at 8:27 AM, spike <spike66 at att.net> wrote:
> 
>>>  We know there isn't a lot of money to be made  on space, unless we use it
> to generate power for use on earth.
> 
>> ...Asteroid mining and certain industrial processes - but that's still,
> "for use on earth".
> 
>> ...It's possible that this may change - but only after there are many
> people in space already, and they need an economic reason to go there that
> exists before they're there, just like any other settlers.
> 
> _______________________________________________
> 
> 
> Ja.  My vision for the way forward is for space infrastructure to be built
> entirely by semi-autonomous robots.  We don't have all the technology needed
> yet, but we are getting there.  I envision the manufacturing to be done by
> robots in the 1 to 10 kg range, mining, refining of materials and so forth.
> I can see much of the interplanetary craft being built from asteroids,
> because it is so much easier to escape their gravity.  Escape into
> interplanetary space can be done entirely without matter-wasting rocket
> propulsion. 
> 
> For instance, we send a number of manufacturing robots to an asteroid which
> begin to manufacture reflective light sails, which use photon pressure from
> the sun to return to a medium high near-equatorial earth orbit, perhaps
> 20Mm.  These then steer themselves such that they reflect sunlight down on a
> desert solar farms, in the Mojave and the Sahara for instance, so that these
> places can operate near peak watts always instead of a few hours a day.  
> 
> I envision individual reflectors about the size of a dinner plate, 20 to 25
> cm diameter, mass of about a gram, numbering in the quadrillions.  
> 
> We don't yet know how to manufacture anything in the quadrillions in any
> human-relevant time scale.  But we have every reason to think such a thing
> is possible.  We can convert the entire asteroid belt into solar energy
> collectors, once we master manufacturing at that scale.
> 
> spike
> 
> 
> 
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