Re: Griffin Calls STS, ISS "Mistakes"
- From: Pat Flannery <flanner@xxxxxxxxxx>
- Date: Sat, 01 Oct 2005 16:19:25 -0500
royls@xxxxxxxxx wrote:
That is another reason why a reusable first stage should only go to
altitude, not accelerate at altitude. A reusable booster is also
easier to fly back back to base if it's not thousands of km downrange
by the time it has decelerated to subsonic speed and returned to the
lower atmosphere.
If the second stage has to do all the acceleration to orbit with a usable payload from altitude, then you are talking about a very large orbiter stage, and a very large carrier to take it up to altitude.
You could get this to work with a (probably multi-staged) unmanned orbiter component, but a manned reusable SSTO carried aloft in this manner is going to be large and heavy, and require a very large carrier aircraft.
Pat
.
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