you are right did it quick and had a little typo meant 70. easy way to
figure it is 10 gph for 100 hp leaves a 10 to 15% reserve using whatever is
the operating pressure as a gph reference..
dave
> -----Original Message-----
> From: owner-land-speed@autox.team.net
> [mailto:owner-land-speed@autox.team.net]On Behalf Of Elon
> Sent: Tuesday, December 13, 2005 2:05 AM
> To: land-speed submit
> Subject: RE: Dual Fuel Pumps
>
>
> Hmmmm, 50 gph for 700hp seems kind of marginal to me, Dave.
> Assuming a BSFC
> of 0.5 lbs/hp/hr, 700hp would require about 58 gph. (assuming gas at 6
> lbs/gal). And Dick's old Chrysler is probably worse with a BSFC closer to
> 0.6. Then add the mass of fuel in the 1/2" line that has to be pushed
> forward against acceleration, filter restrictions, line restrictions, some
> 90 degree fittings, and 50 gph seems a tad too close to the limit with no
> insurance. Am I missing sumptin? I agree with you though that he doesn't
> need two pumps and ditto on the safety issues. -Elon
>
>
>
> From: "Dave Dahlgren"... (snip) 50 gph is more than enough for 700 hp at 7
> psi. Put 1 pump at the tank run through the filter there and use
> a bypassing
> type regulor at the engine. . .-Dave
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