[DeTomaso] Pantera vs. Saturn drag race
Curt Hall
cuvee at sbcglobal.net
Tue Jan 6 14:33:34 EST 2009
You would have to eat a lot of beans to get that much boost!
Sorry I couldn't my self!
--- On Tue, 1/6/09, adin at frontier.net <adin at frontier.net> wrote:
From: adin at frontier.net <adin at frontier.net>
Subject: Re: [DeTomaso] Pantera vs. Saturn drag race
To: "Thomas Tornblom" <Thomas.Tornblom at hax.se>
Cc: detomaso at realbig.com
Date: Tuesday, January 6, 2009, 11:15 AM
As stated, I'm just a car guy . . .
Your sited information is from Apollo, mine from "Shuttle" - the
basic
physics should be about the same.
I could use some boost like that!
cheers,
Quoting Thomas Tornblom <Thomas.Tornblom at hax.se>:
> Thomas Tornblom skrev:
>> adin at frontier.net skrev:
>>> FWIW, a good top fuel car accelerates faster than the big missles
>>> (data from NASA). However, the rate of acceleration for these
>>> rockets stays basically the same for a few miles (hundreds, or
>>> until they stop for a traffic light).
>>
>> I thought they accelerated harder as they burn off fuel and gets
>> lighter, or do they throttle down to compensate?
>
> Looking at:
>
http://books.google.se/books?id=3dKnobYoOEQC&pg=PA76&lpg=PA76&dq=saturn+V+apollo+acceleration&source=bl&ots=Cg4dI4Jmq8&sig=LHSQ9m78Em5WsmS1jfwaUY8iQAE&hl=sv&sa=X&oi=book_result&resnum=5&ct=result#PPA76,M1
>
> it appears that the acceleration increases from 1G (stationary) to 4G
> at first stage separation.
>
> Interesting to see that the thrust increases from the equivalent of 680
> tons to 815 tons per engine as air pressure drops with increased
> altitude. The center engine was shut down close to the end of stage 1
> burn to keep the acceleration down.
>
>>
>> Thomas
>>
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>
>
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