[DeTomaso] Predicted mileage at 200 MPH

[Larry - Ohio Time Corp.]

<<does anyone see an obvious error>>

Yes, you need a greater case load.

Larry (12 hr a day man) - Cleveland


----- Original Message ----- 
From: "Ken Green" <kenn_green at yahoo.com>
To: <detomaso at realbig.com>; "Blaine Carmena" <panteraturbo at shaw.ca>
Sent: Wednesday, April 04, 2007 4:43 PM
Subject: [DeTomaso] Predicted mileage at 200 MPH


> Out of curiosity, I tried to estimate how much gas would be burned to 
> travel 100 miles at 200 MPH assuming 500 HP is required to maintain speed. 
> I came up with:
>
>
>  1 HP = 42.21 Btu/min
>  so,   500 HP = 21,205 Btu/min at 100% efficiency energy conversion
>  but assuming 33% efficiency, 500 HP requires 63,615 Btu/min
>
>  1 gallon of gasoline contain 115,000 to 125,000 BTUs
>
>  at 120,000 Btu/gal, 500 HP will burn about 1/2 gallons per minute
>  so, at 200 MPH, it takes 30 minutes to travel 100 miles, and 15 gallons 
> of gasoline.
>
>  It seems reasonable, about 6 MPG.  I've never done this kind of 
> calculation before, does anyone see an obvious error?
>
>  Ken
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