Re: NASA's Tethered Generator

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: NASA's Tethered Generator
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Wed, 14 May 1997 00:42:22 -0500
• Approved: tesla-at-stic-dot-net

Subject:     Re: NASA's Tethered Generator
      Date:  Tue, 13 May 1997 17:20:15 -0500
      From:  rickh-at-ghg-dot-net (Rick Holland)
        To:  Tesla List <tesla-at-pupman-dot-com>
References: 
           1


Tesla List wrote:
> 
> Subject: Re: NASA's Tethered Generator
>   Date: Mon, 12 May 1997 13:35:48 -0500
>   From: David Huffman <huffman-at-FNAL.GOV>
>     To: Tesla List <tesla-at-pupman-dot-com>
> 
> Ok if B=0.2Gauss, L=20.7km and v=12,000 m/s
> emf = BLv = 4997 volts.
> One end is 'grounded' in the ionosphere the other flows current with
> electron accelerators.
> The loop is the Earth and the universe.
> D.L.Huffman

Your math is pretty accurate, but there are appear to be some factors we
don't know about. Since I work at Johnson Space Center, I was able to
watch the mission "live" and got some info from the team working on the
problem. The measured voltages were never released (to us) in exact
terms, but the ballpark figure given was about 3500 volts. Also, the
tether actually broke at a little greater than 19 Km, not the full 20.7.
-- 

     Rick Holland

     The Answer is 42.

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