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Is there a general rule of thumb for switching from a 2 blade to what I'll term as an equivalent 3 blade prop? Example would be, I have a Tfl Princess Cruiser yacht with a stock 48mm prop on it. (not sure of pitch since I could not find that info.) I want to try a 3 blade prop on it but am not sure what size to get that would be close to the loading that the 2 blade puts on the motor, esc and battery draw.
My assumption would be, and I can easily be wrong, is that a 48mm 3 blade would put alot more strain on the motor, etc. vs the same size 2 blade. Is there a certain mm in diameter that you would drop down to?
The stock 48mm 2 blade prop on that yacht just churns a lot of water before it gets the boat up to speed enough to get it up on plane.
My assumption would be, and I can easily be wrong, is that a 48mm 3 blade would put alot more strain on the motor, etc. vs the same size 2 blade. Is there a certain mm in diameter that you would drop down to?
The stock 48mm 2 blade prop on that yacht just churns a lot of water before it gets the boat up to speed enough to get it up on plane.