On Sun, 25 Aug 2002 22:01:01 +0100, Ian Woollard
<[EMAIL PROTECTED]> wrote:
>Limits, yes. But to achieve that you have to have good combustion, which
>is a lot to do with injectors and such like, and that isn't always so
>easy; there's a certain amount of black magic. Qn: What percentage of
>theoretical maximum are you getting right now?
Pretty good; better than I expected. We're getting 117 sec. GUIPEP
gives 125 sec at Pc = 300 psi, so we're at about 94% efficiency. I
was expecting 100 sec (80%), so I'm pleased.
>>since a Delta V of about 13 km/s will get you pretty much anywhere in
>>the Solar System (assuming you don't mind waiting for slingshot
>>maneuvers). The goal is clear; the question is, when can ERPS get
>>there?
>>
>That's not the first question. The timeline comes out of the project
>plan that comes out of the design. Do you have a design for 13 km/s?
Not single stage, we don't; and neither does anyone else. 10 km/sec
single stage is hard enough!
-R
--
"Sutton is the beginning of wisdom -
but only the beginning."
-- Jeff Greason
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