[PW] Tallest and most impossible building question

Charles Early charles.t.early at nasa.gov
Wed Nov 7 07:58:20 PST 2007


Three months does seem excessive, but I think I've come across that figure 
elsewhere as well.  At 
http://www.spaceelevator.com/docs/iac-2004/iac-04-iaa.3.8.3.05.laubscher.pdf 
there's an estimate of 495 hours plus for the trip, or roughly three 
weeks.  That's still a long time to listen to Muzak.

At 06:47 AM 11/7/2007, you wrote:
>Charles Early wrote:
> > The space elevator would need to be more than 23,000 miles high, 
> probably a
> > lot higher, so that centrifugal force from the upper part is strong enough
> > to hold it up (roughly speaking).  A typical height would be around 
> 100,000
> > km (60,000 miles).  According to a commercial I saw for a program on the
> > Discovery Channel, the elevator trip to the top would take about three
> > months, during which the passengers would be in danger of being hit by
> > meteorites -- if the music didn't get them first.
>
>         They'd be in virtually no danger from meteorites unless the car were
>made of something awfully flimsy, since the likelihood of any
>significant impact is tiny. And three months? That's an AWFULLY slow
>car, moving about 46mph. I'd think they could at least reach bullet
>train speeds, cutting that trip down to more like three WEEKS.
>
>
>--
>                       Sea Wasp
>                         /^\
>                         ;;;
>       Live Journal: http://seawasp.livejournal.com
>
>
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Charles Early
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