"Horvath" wrote in message
...
On Mon, 20 Sep 2004 22:43:15 -0400, "Scott Vernon"
wrote this crap:

How much fuel should I carry if I want to be assured of motoring
(in
case there's no wind) non stop for 100 miles? 30' boat, disp.
#7,500. Yanmar 2GM20. I have a 12 gallon tank.
TIA

Depends on your speed. If you motor at 5 kts., you need enough fuel
for about 20 hours of motoring. I use about one gal. per hour. So
I'd need another 8 gals.

Like to maintain a 4.5 avg. speed. Isn't one gal/hr. rather high?

Scotty