Search found 5 matches

by SSP
Sun Feb 18, 2018 12:41 pm
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 13
Views: 2840

Re: c.1970 15-footer with 70-HP on Jackplate

I finally got around to trying the Power Tech three-blade SCD ["stern-lifting semi-cleaver"] 13 x 16 propeller after the jack plate was installed. [The propeller] did everything everyone said it was going to do: great top end; 40-MPH without even lifting the plate; slipped a little getting...
by SSP
Tue Jan 23, 2018 11:28 am
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 13
Views: 2840

Re: c.1970 15-footer with 70-HP on Jackplate

I spoke to a gentleman at Power Tech and he surprised me by recommending two other propellers over the SCD ["stern-lifting semi-cleaver"]. [The recommendations were for] SWW ["Excellent grip for engine elevation and cavitation-prone applications"] (more of a flats prop he stated)...
by SSP
Fri Jan 19, 2018 7:32 pm
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 13
Views: 2840

Re: c.1970 15-footer with 70-HP on Jackplate

So this is what is currently on it:



SOLAS 13x19 4 blade
by SSP
Fri Jan 19, 2018 1:59 pm
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 13
Views: 2840

Re: c.1970 15-footer with 70-HP on Jackplate

Thanks guys! I just bought the boat less than a week ago and only ran it for 10 mins the day of to be sure it ran with no problems so I don’t know the boat real well. It has 19 pitch four blade... I don’t know all the specs but will look tonight. It only hit 4600 rpms... I would think it was running...
by SSP
Thu Jan 18, 2018 9:36 pm
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 13
Views: 2840

c.1970 15-footer with 70-HP on Jackplate

What propeller is best to be put on a c.1970 15-footer with a Yamaha F70 engine and a BOB'S 4-inch jackplate? I am looking for [a propeller that will provide] all-around performance with good top end. The boat has a custom center console. Any help will be greatly appreciated. I am sure this has been...