Andreas, Parts Expert On - Prop and Pitch

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How do you make sure that you have the right prop for your boat? Our parts expert Andreas has the answers to make sure you are getting the most POWER for your boating needs. We want to get your the right prop for the right gear.

[glennllewellyn]

5.8 meter medium weight aluminium centre console with 130hp Yamaha. Went from 3 blade stainless Solas to a 4 blade aluminium equivalent. Lost 2 mile/hr but gains everywhere else. Way better trolling, better climbing of waves and slow going authority. Beautiful.

[garthellis]

Great explanation on how props work. One of the best i have seen, well done !

[ericvid]

How do u figure rpm if your running an outboard with no tach?

[Paul-esei]

Thank you for the great info. I bought a stainless prop for my Suzuki 50 on my 16 Lowe. The prop chatters at low RPM or trolling. I returned that stainless prop. Could it be the brand or my Motor can’t handle a stainless prop?

[clay]

I have an 18ft center console mako with a 115 mercury. Im running a 21 pitch prop and hole shot is horrible. Im only turning 4000 rpm full throttle. Would it be smart to go down to a 15 pitch prop or would that be too low? Doing the math, it seems that a 15 pitch would get my rpms up and help my hole shot.

[timboekhout]

Does a 4 blade stainless prop give you more speed than a 3 blade stainless prop with the same pitch? Or is the 3 blade generally faster?