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Bigsissy, A smaller steering wheel couldn't take the torque? I dunno, that sounds like a lot of baloney to me. I'm thinking engine HP has to do more with the weight of the boat and strength of the transom, and nothing to do with the diameter of your steering wheel.
Also, how do you know your aluminum prop was flexing under load? Just because you got more speed with a stainless steel prop? Is the diameter and pitch of your new prop the same as your old one? I have a 75hp engine on a 17' Triumph and I can do 43-44mph on my top end. My calculator says you should be able to do about 53mph with the right prop and engine trim, and I don't think you need SS to do it.
Here's my calculations: 75hp/44mph=1.7speed factor 90hp/1.7speed factor=52.94mph
woodNfish
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