CONTINUOUSWAVE

Wow Jim, that's some very technical calculations you have done here. I will look into these things and let you know what I find. It is a Honda Tach tho, so we'll have to see I guess. First thing will be to get the tach sorted out. Thanks for all your help, much appreciated.

Thanks for your reply Jim, I'm fairly confident in the accuracy of the speed (zero current in my lake, multiple devices and checked more then a few different times) so I guess I will have to calibrate the tachometer before I go further. The prop is 13" in diameter and has a pitch of 15. Gear ra...

[Deleted several remarks which seemed off the topic of performance--jimh.]

Is 32 MPH [top speed] excessively low for [a Montauk with a Honda 90]?

My tach maybe off slightly, but not sure if I should be expecting much more speed. Thanks.

Manual says 5000-6000 RPM, power curve peaks at 5500 rpm, so would like to be close to that.

Hello all. I have an 1985 Striper 17 that came with an 2006 Honda BF90 and 13 x 15 four-blade propeller. The outboard engine will not accelerate to much over 4,000-RPM at a boat speed of 32-MPH. The engine runs well and [the throttle is advancing to] WOT. To anyone that has a similar set-up: what pr...