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Old 09-28-2020, 01:48 PM
  #9  
Jeepman
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Join Date: Dec 2008
Location: Texas
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Originally Posted by christuna View Post
Is this estimate realistic? About to buy my first boat

14 foot aluminum boat, no current, no waves

15 hp Johnson engine.

20 mph cruising / 1.5 Gallon per hour = ~13.4 mpg

Mod-V ?
Deep V ?
flat bottom?
Weight?

My 25hp would get almost twice the fuel mileage on a flat bottom compared to a v-hull. Different hulls have more or less drag. So without knowing hull, impossible for anyone to give you a correct answer. I also highly doubt they ever made a Johnson that got 13.4mpg on any hull.