Article View: sci.space.shuttle
Article #916Re: Improving main engine power
From: Nick Watkins
Date: Sun, 03 Dec 1989 16:03
Date: Sun, 03 Dec 1989 16:03
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1540 bytes
In article <5104@tekig5.PEN.TEK.COM> philj@tekig5.PEN.TEK.COM (Phil Jansen) writes: >My question is, why improve thrust to ~150%? Since the shuttle was designed >for only 3G's of acceleration, what good does the extra power do? Doesn't it >just mean you use your fuel faster? Power = Force X Velocity so at constant V, more power is more thrust. Force = Mass times acceleration so at constant acceleration, more thrust is more payload. Shuttle payload is less than advertised so any improvement is worthwhile. >Thanks for your explanations. You're welcome. I've been teaching mechanics lately :-) Nick > If you repeat things often enough, they become true. >Phil Jansen If you repeat things often enough, they become true. >philj@tekig5.pen.tek.com If you repeat things often enough, they become true. -- Nick Watkins, Space & Plasma Physics Group, School of Mathematical & Physical Sciences, Univ. of Sussex, Brighton, E.Sussex, BN1 9QH, ENGLAND JANET: nickw@syma.sussex.ac.uk BITNET: nickw%syma.sussex.ac.uk@uk.ac
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcsun!ukc!icdoc!syma!nickw From: nickw@syma.sussex.ac.uk (Nick Watkins) Newsgroups: sci.space.shuttle Subject: Re: Improving main engine power Message-ID: <1865@syma.sussex.ac.uk> Date: 3 Dec 89 16:03:27 GMT References: <1989Nov23.165606.27671@utzoo.uucp> <117.UUL1.3#5131@mvac23.UUCP> <5104@tekig5.PEN.TEK.COM> Reply-To: nickw@syma.susx.ac.uk (Nick Watkins) Organization: University of Sussex Lines: 28