Answer
Apr 23, 2021 - 02:09 PM
If your B-3's get good RPM's you could use the B-4's. Your B-3's at wide open throttle should be in the top of the RPM range, and the B-4's would drop your RPM's by 150-250 estimated.
Replace B3 with B4 prop; BS PRO Duo Prop 280-290 Type B4 Set
My boat is Carver 28’ with Volvo Penta AQ271C and she has B3 prop on her. May I ask if I can use B4 instead to improve my cruising speed?
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Open Apr 23, 2021 - 12:46 AM
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BS PRO Duo Prop 280-290 Type B4 Set
Equivalent to Volvo Penta Duoprop B4 Set # 854817, BaekSan Duo Props are intended as direct OEM replacements for Volvo Penta 280/290DP Stern-drives.
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