miles per gallon

buzzk · Post by **buzzk** » Feb 9th, '12, 09:35

How many MPG does a 31 Bahia Mar with the 240 Yanmars or 250 Cummins get? Is the 170 Yanmars enough power for a 31 Bahia Mar?

In Memory Walter K · Post by **In Memory Walter K** » Feb 9th, '12, 10:11

If it helps, I get 1.5 nmpg on a pretty heavy Sportsfisherman with 210 Cummins. Sometimes a bit more, but not less.

JohnCranston · Post by **JohnCranston** » Feb 9th, '12, 12:46

Buzz,
I have a bahia and used to have the 170's and 2 to 1 gears in her, but have moved up to the 315's. The 170's were perfect for our typical seas here in Tx. We could cruise all day at 20 knts and get 2mpg. If I had a chance to do it all over again, I would have stuck with the 170's, and have much more $'s in my pocket.

Hope this helps.
John.

In Memory of Vicroy · Post by **In Memory of Vicroy** » Feb 19th, '12, 17:44

I average 1.3 nautical mpg in my 31 FBC with 250 6BTA Cummins cruising 24 kts at 2400 rpm.

UV

bob lico · Post by **bob lico** » Feb 20th, '12, 00:09

i average 2mpg at 24kts. in calm seas more if i remove front window. i have 315 cummins and fuel economy has been documented twice.

wmachovina · Post by **wmachovina** » Feb 20th, '12, 21:04

Stuart,fl to Green Turtle Bahamas, 170 mi. Avg 21 kts open ocean/ Bahama banks, 100 gal. 250 6bts. Many cases of Hineys and a few bottles of rum. Heh heh. Well actually the exhaust were under water when we left Stuart. boat don't care :-D

bertram31.com

miles per gallon

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