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Re: Arcjet Motor



Could we do the orbit change in one burn, using a solid motor?
Very reliable, light weight, good thrust.

I'd still put the ArcJet on board, for tweeks.

Greg.


>From: sco@sco-inc.com
>To: James Sharp <jsharp@psychoses.org>
>CC: amsat-bb@AMSAT.Org
>Subject: Re: [amsat-bb] Arcjet Motor
>Date: Mon, 04 Jun 2001 11:37:17 -0400
>
>At 03:30 AM 6/4/2001 , you wrote:
>> >
>> > The arcjet motor uses simple fuel, that we can test ... here on earth.
>> > Perhaps the next satellite will be smaller than AO-40 and use the 
>>arcject
>> > (if it works well on AO-40) as its only propulsion system?
>> >
>>
>>That all depends on the orbital parameters we want versus what we'll get
>>from the launch.  If we want a high inclination orbit, but get a launch
>>into a GTO, the arcjet just isn't going to have the guts to move the bird
>>in a reasonable amount of time...but if we end up with a favorable launch
>>orbit and just need to tweak it, the arcjet will work just fine.
>
>I would rather take more time in moving the satellite (if the arcjet would
>work) instead of again risking the fact that we might blow up part of the
>satellite using the same engine/fuel combination now on AO-40. I would
>rather be "Safe" than "Sorry" ... even if it took longer to get to the
>intended orbit.
>
>W4SCO
>
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