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(Kickstarter)   The Slingatron: not a bikini, nor a beverage maker, but a cheap way to space   (kickstarter.com) divider line 7
    More: Interesting, orbits, Slingatron, New Old, radiation protection, rocket launchers, robotic spacecraft, hypervelocity, Freeman Dyson  
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3587 clicks; posted to Geek » on 30 Jul 2013 at 10:26 AM (51 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



Voting Results (Smartest)
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2013-07-30 07:14:16 PM
1 votes:

zarberg: I came here looking for bikinis. Leaving disappointed.


Its not a bikini, but I hope this will suffice:

www.cappadocia-hotels-tour.com

I'd let her launch me into low orbit.
2013-07-30 11:46:16 AM
1 votes:
Strik3r: WAIT!

When did "space" become a verb?


The same time 'San Jose' became a verb.
/do you know the way to San Jose?
2013-07-30 11:33:15 AM
1 votes:
There are a lot of people playing Kickstart Chicken on that one...

The amount of power it takes to accelerate something to a speed necessary to completely penetrate the atmosphere on such a trajectory is something like six times the power it takes to just lift it straight up with a rocket... In order to achieve a stable orbit, the launched vehicle has to have only slowed down to 28,300kmh by the time it reached orbit.   The elaboration necessary to get such a rocket to even just the best maglev speeds (501kmh) is absurd.  The shuttle clears the tower with a full load at 60mph (roughly 95kmh).  At 3x the height of the tower it's pushing up the throttle and accelerating at over 29m/s^2.  It leaves the pad effectively at 2g (1g acceleration, 1g gravity).

Is several hundred billion dollars of installation, risk and hundreds of millions of dollars per year actually worth burning the engines for fourteen fewer seconds maybe six times a year?    I'll save you the thought.   NO.  The pollution of the manufacture of such equipment is many orders of magnitude higher than the pollution that would result if that first fourteen seconds was a nitrous oxide and hydrazine burn... so DERP to you, kickstart idea.
2013-07-30 11:25:56 AM
1 votes:
anilinkz.com
2013-07-30 10:55:20 AM
1 votes:
Artist of "artist's concept" fails physics.  The tracks of the spiral would have to bank as the launch vehicle's velocity increases.  The thing should be shaped like a bowl, rather than a disk.
2013-07-30 10:39:22 AM
1 votes:

ikanreed: FrancoFile: sithon: hmm .not likely.

Spiral = stupid.  Plenty of straight right-of-ways available in the desert
Ramp at the end = stupid.  Yeah, let's make a 40 degree change in the velocity vector with 2 EM drive units

Do this right: build a linear accelerator in the high desert in Mexico, or in Western Australia.  Too much political risk to put it in Africa or South America - although 10 years from now Brazil could try this.

It's not a magnetic accelerator, it's a mechanical accelerator.


So even more stupid.
2013-07-30 10:33:48 AM
1 votes:

sithon: hmm .not likely.


Spiral = stupid.  Plenty of straight right-of-ways available in the desert
Ramp at the end = stupid.  Yeah, let's make a 40 degree change in the velocity vector with 2 EM drive units

Do this right: build a linear accelerator in the high desert in Mexico, or in Western Australia.  Too much political risk to put it in Africa or South America - although 10 years from now Brazil could try this.
 
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