New Prop

[RiverBill]

Well we got the Bennington back from the dealer, new alternator installed, 150 Mercury 4 stroke alternator recall. So I decided to try a new prop! I had this new Mercury 4 blade aluminum 15X16 prop. Well it didn't work out well! Way too much prop spin (cavitation) could not accelerate hard or trim the drive up (cavitation), loss of top-end 4 mph and very hard to shift it out of gear (forward & reverse). So back to my Mercury SS Enertia 15X15 and all is good! The 4 blade is a backup prop now!

RiverBill

 

[Bamaman]

Mercury specifically uses Enertia props on all their engines mounted on pontoons going out for boat tests. And, it's great that they're available in 1" pitch increments.

As far as I can tell, an Enertia 14 pitch or 15 pitch is on most 150 hp tri hull pontoon boats with strakes. That'll put most hulls in the 38-42 mph range.

 

[mtudb24]

Yup. We run the 15 pitch and love it. Twin elips and 150 pro xs

Todd

 

[2013 20 SLX]

Anyone using the standard prop on your 70hp Yamaha

its white and seems so soft.

What is you're opinion of it.

My dealer says stay with it was repaired for a few dings

I say a SSteel one would be better

Opinions please !

Ron :unsure:

 

[Bill N]

Anyone using the standard prop on your 70hp Yamaha

its white and seems so soft.

What is you're opinion of it.

My dealer says stay with it was repaired for a few dings

I say a SSteel one would be better

Opinions please !

Ron :unsure:

I do not think you would realize any benefit from a SS prop on a 70 other than making your wallet lighter!

 

[BulldogsCadillac]

I do not think you would realize any benefit from a SS prop on a 70 other than making your wallet lighter!

I agree, it doesn't have the horsepower to cause flex in the prop,that is the biggest reasons high hp motors can't use aluminum, at least not successfully. Stick with the aluminum.

Derrick

 

[2013 20 SLX]

Ok Thanks for all your advise, kinda what the dealer says also.

Thanks again...Love this site.

Ron