First_Mate
New Member
Finally ran the boat again with the newly-straightened props:
RPM MPH GPH
600 6.8 1.2
700 7.4 1.7
800 8.1 2.3
900 8.7 2.9
1000 9.4 3.9
1100 10.2 5.0
1200 10.8 6.6
1300 11.2 7.9
1400 11.7 9.6
1500 12.5 11.6
1600 13.8 13.8 (1 MPG Speed)
1700 15.1 16.5
1800 16.9 19.8
1900 18.5 22.8
2000 20.7 25.8
2100 22.5 28.7
2200 25.3 30.5 (Best cruise speed - .83 MPG)
2300 27.0 34.0
2400 29.4 37.5
2500 30.9 41.4
2600 32.2 45.4
2680 33.2 50.0 (Worst economy - .66 MPG)
Boat is fully on plane at 2100 RPM. From 1500 - 2000, test results are with full down tabs. Full fuel, Full water, 2 people on board, 88 degrees temp.
As mentioned earlier, props are Teignbridge 26x26 4-blade cupped Nibrals.
Hope this helps...
RPM MPH GPH
600 6.8 1.2
700 7.4 1.7
800 8.1 2.3
900 8.7 2.9
1000 9.4 3.9
1100 10.2 5.0
1200 10.8 6.6
1300 11.2 7.9
1400 11.7 9.6
1500 12.5 11.6
1600 13.8 13.8 (1 MPG Speed)
1700 15.1 16.5
1800 16.9 19.8
1900 18.5 22.8
2000 20.7 25.8
2100 22.5 28.7
2200 25.3 30.5 (Best cruise speed - .83 MPG)
2300 27.0 34.0
2400 29.4 37.5
2500 30.9 41.4
2600 32.2 45.4
2680 33.2 50.0 (Worst economy - .66 MPG)
Boat is fully on plane at 2100 RPM. From 1500 - 2000, test results are with full down tabs. Full fuel, Full water, 2 people on board, 88 degrees temp.
As mentioned earlier, props are Teignbridge 26x26 4-blade cupped Nibrals.
Hope this helps...