Around 5/11/2005 5:20 PM, Shortwave Sportfishing wrote:

On Wed, 11 May 2005 15:01:56 -0400, Mike G
wrote:

I'd would think gallons per hour at X rpm is much more accurate for a
boat. With all the variable forces acting on a boat in motion, hull and
upper works design, wind, or current, for example
snip

I agree with you, but for a different reason.

My argument is that GPH is a more reliable measure of efficiency
because it covers the spectrum from sitting at the dock warming up to
running full throttle.
snip


I like GPH just because I know that after about two hours of cruising,
it's time to switch to the other tank. MPG (as measured with a GPS)
isn't nearly as consistent.



--
~/Garth - 1966 Glastron V-142 Skiflite: "Blue-Boat"
"There is nothing - absolutely nothing - half so much worth doing
as simply messing about in boats."
-Kenneth Grahame, The Wind in the Willows