[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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