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3 Blade vs 4 Blade Prop #13224223 07/24/19 03:18 PM
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BassMan5000 Offline OP
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When I bought my boat I was given an extra 4 blade prop. What would the difference be in speed and getting on plane and basic handling using the 4 over the 3. Thanks

Re: 3 Blade vs 4 Blade Prop [Re: BassMan5000] #13224246 07/24/19 03:43 PM
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Chris B Offline
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Depends on the pitch of the props and many other factors.



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Re: 3 Blade vs 4 Blade Prop [Re: BassMan5000] #13224369 07/24/19 05:44 PM
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A 4 blade of the same pitch and diameter will run slower on the top end but will get out of the hole faster and will be better in the mid range. I would never run one because I prefer a prop that performs better on the top end.


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Re: 3 Blade vs 4 Blade Prop [Re: BassMan5000] #13226369 07/26/19 08:17 PM
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steve@hydrodynamics Offline
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usually.. when running a 4 blade vs 3 blade of the same pitch.. you simply raise the engine 1/2 to 3/4" (depending on type of prop)
that allows the 4 blade to run the proper rpm and still keep good performance.

there are alot of cases where the 4 blade prop is actually faster than a 3 blade.

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