Re: Scram Success

From: Joann Evans (bondage_at_frontiernet.net)
Date: 11/23/04 

Date: Tue, 23 Nov 2004 01:25:52 GMT

Tkalbfus1 wrote:
>
> >But orbital speed is about Mach 25, so you are going to use a rocket to go
> >from Mach 0 to Mach 4 - Scram Mach 4 to Mach 10
>
> Obviously the scramjet requires rocket assisted takeoff.

   Or at least a different, posibly seperate jet engine mode. Which
still becomes dead weight when scramjet operation becomes possible. Some
parts might be shared, depending on how you do it, but turbine and
compresor won't be among them.

> Going from zero to
> mach 4 with a rocket is no big deal and rocket engines are small and light
> compared to the thrust they generate. The scramjet could use the same sort of
> rocket that Spaceship one uses to reach this speed. The scramjet would then
> takeover at Mach 4 to 10. For joy rides into space this would be enough. For
> trips to orbit a second vehicle would sit in the scramjets cargo bay, the doors
> would open once it reaches space and the second vehicle would fire a
> high-thrust plasma engine to reach orbit from there.
>
> Tom 

-- 
   You know what to remove, to reply....

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