Here are some real world numbers from last outing. Total miles 254. Total fuel burn 87 gallons. Numbers taken off Honda fuel managment gauge.
25' C-Dory with Honda BF150
Two persons and gear for 5 days.
Full fuel plus extra 15 gallons
Honda aluminum 15 1/2 X 15 prop
RPM MPH MPG GPH
2000 7.7 5.4 1.6
2500 8.7 4.3 2.2
3000 10.1 3.3 3.3
3500 12.8 3.0 4.4
4000 16.3 2.7 6
4300 19.4 2.5 6.9
4500 23.8 3.2 7.2
4600 25 3.3 7.5
4800 28 3.3 8.3
5400 max rpm @WOT
25' C-Dory with Honda BF150
Two persons and gear for 5 days.
Full fuel plus extra 15 gallons
Honda aluminum 15 1/2 X 15 prop
RPM MPH MPG GPH
2000 7.7 5.4 1.6
2500 8.7 4.3 2.2
3000 10.1 3.3 3.3
3500 12.8 3.0 4.4
4000 16.3 2.7 6
4300 19.4 2.5 6.9
4500 23.8 3.2 7.2
4600 25 3.3 7.5
4800 28 3.3 8.3
5400 max rpm @WOT