Excellent questions! I mostly sail (not motor), no current to speak of in Lake Lanier. I typically only use the motor in and out of port or to anchor. Occasionally we need to motor upwind in heavy chop in winter, but not that often. I think you just saved me a lot of money and hassle. Thanks!You say you're considering a change.
Why are you considering this action?
How do you use your auxiliary engine on Lake Lanier?
The way you use your auxiliary power source should guide you as to the type of prop needed.
Do you sail more than you power?
Are you fighting currents that demand you power with higher performance?
Are you having vibration issues? Vibration issues may not involve the prop.
Because I could buy an additional boat for what that would cost me.Thanks for the reply though!Why not consider a 3-blade folding or feathering prop? Assuming you sail, and don’t just motor, the feathering or folding prop will give you some extra speed when sailing. It will also stop the shaft from spinning while under sail.
I put a 3-blade MaxProp on Tally Ho last season and really appreciate the reverse thrust, the extra 1/2 knot of speed in light air, and the fact that the shaft is still while under sail. No noise and no spinning of the transmission parts. I also like the fact that the MaxProp pitch is adjustable. I am going to try to add small bit of pitch to my FWD setting this year to see if I can squeeze a bit more speed out of a given RPM.
Yes they are expensive, but they are a work of art
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Greg