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Re: New idea Laser launcher/scoop systems
- To: T.L.G.vanderLinden@student.utwente.nl (Timothy van der Linden)
- Subject: Re: New idea Laser launcher/scoop systems
- From: kgstar@most.fw.hac.com (Kelly Starks x7066 MS 10-39)
- Date: Thu, 14 Mar 1996 08:03:37 -0500
- Cc: KellySt@aol.com, kgstar@most.fw.hac.com, stevev@efn.org, jim@bogie2.bio.purdue.edu, zkulpa@zmit1.ippt.gov.pl, hous0042@maroon.tc.umn.edu, rddesign@wolfenet.com, David@InterWorld.com, lparker@destin.gulfnet.com, bmansur@oc.edu, DotarSojat@aol.com
At 1:28 AM 3/14/96, Timothy van der Linden wrote:
>>>That gives for the specific impulse = 0.085c/(9.8*1) = 2.6E6
>>>
>>>So while this may look much, I think it is right. Why do you think it
>>>is not OK?
>>
>>Well one problem I have is since I don't know ow to find what speed the
>>reaction particals will be at after the reaction (I have Mev power levels
>>but I'm not sure how to use them), The equation doesn't tell me much. For
>>example, a pound of fuel will fuse and realest its particals at x Mev.
>>What speed is that? How much electric power can the generator convert that
>>to? Using that electricity, how much mass can we accelerate to the ideal
>>velocity?
>
>I think the initial velocity doesn't matter since one can regulate the final
>velocity with the size of the outlet (see below).
>
>>>If you ignore energy losses, it doesn't matter, as long as you can regulate
>>>the exhaust velocity of the plasma (which should not be too hard).
>>
>>I woud think the velocity would be fixed. I can't think how to increase it
>>without adding external power. Decreasing would probably involve taping
>>some of its power off, and giving it to a larger volume of reaction mass.
>
>No, what matters most is the pressure that is build up inside the engine.
>The higher the pressure, the higher the exhaust velocity.
>One can regulate that velocity by enlarging or reduce the ourlet.
I'm not sure that is possible with particals going a fraction of the speed
of light. Remember the G loads my mag launcher would have needed to get to
fuel up to .3 of light. I think the nessisary voltage presure might be
undoable. Certainly your not talking about a normal rocket chanber
situation.
Kelly
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Kelly Starks Internet: kgstar@most.fw.hac.com
Sr. Systems Engineer
Magnavox Electronic Systems Company
(Magnavox URL: http://www.fw.hac.com/external.html)
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