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  1. J

    115 Pro XS Command Thrust on a pontoon - prop?

    ok....got out on the river today. It was windy and a little rough. But I saw 27 mph and 6000 rpm. with the black max, 3 blade, 16x13...I think I'm where I want to be. I did not have the full bimini up..so there's that....I don't think the spitfire, 4 blade, 14x12 would be better......
  2. J

    2015 115 Merc on 20' pontoon

    got out on the river today with my new prop. The prop that gave me those previous results on the new Mercury 115 hp was a mercury 4 blade, 14x14 . The new prop is a mercury, black max, 3 blade , 16x13. It was windy and a little rough today, but I saw 27 mph as a peak and 6000 rpm .....so...
  3. J

    2015 115 Merc on 20' pontoon

    You're in the right rpm range, so no help there. Here are my results: Just me on board....'06 Lowe 24' twin 25" tubes pontoon, double bimini. '05 Mercury 60 hp, 4cyl., 4 stroke, efi, big foot (ct)....20 mph ( cool day, cold water) My new mercury 115hp, CT.......26 mph, but, that's at 55-5600...
  4. J

    Prop ?

    update....so that hustler prop won't work on my CT gearcase as the prop hub is too small...as discovered by info from this site.... so a black max, 3 blade, 16x13 is on...will test come late april.... If it doesn't do what I want, Im going with a spitfire 4blade, 14x12....
  5. J

    First pontoon boat

    no answer back?.....I've got some advice also, but r u gone?
  6. J

    115 Pro XS Command Thrust on a pontoon - prop?

    yep...a14x13, 4blade, 4.75 hub would be the ticket,...figures there isn't one..... the 14x12 would take me over max rpm when it's just me...but loaded down might be ok, use the tach......if this 16x13 doesn't work...I'll just get that... I'm just glad I now know about gearcase size....the...
  7. J

    115 Pro XS Command Thrust on a pontoon - prop?

    I had the exact experience with the same 13.8x13 prop!....couldn't figure it out...until these posts.....learned something new.. Went to the merc dealer...so...fyi...There is a spitfire, 4 blade, 14x12, 4.75 hub.....If this 16x13, 3blade black max doesn't work.....I'll just get that.... Yep...
  8. J

    115 Pro XS Command Thrust on a pontoon - prop?

    it appears that im going to need a black max, 3 blade, 16x13.. with the 4.75 hub...to get the rpm's I want...maybe the route we have to go....3 blades, not 4....to get that 4.75 hub match... it now seems these smaller CT motors...with big pontoon boats can be difficult to prop...of course....
  9. J

    115 Pro XS Command Thrust on a pontoon - prop?

    ok.......anyone need an unused Hustler 4blade, 14x13, 4.25 hub?...lol pics in order...Spitfire(supplied)...hustler ........and where my cavitation plate is in relation to the center transom support..... comments? ...that hustler isn't gonna work, right?
  10. J

    115 Pro XS Command Thrust on a pontoon - prop?

    uh oh....for me....
  11. J

    115 Pro XS Command Thrust on a pontoon - prop?

    here.. but wait until I go check tomorrow......I'll measure the spitfire, the husler..and the hub ...plus pics.....Hope your wrong😃
  12. J

    115 Pro XS Command Thrust on a pontoon - prop?

    ok..I'll take a pic tomorrow....there was a plastic insert that Turning Point provided and said needed to be placed between the prop and hub....but the prop hub diameter isn't smaller than the gear case diameter ...but ...now you have me doubtng....i have to check...
  13. J

    115 Pro XS Command Thrust on a pontoon - prop?

    well...I have a merc 2021, 115hp, CT. just the regular 115. So whatever gear case comes with that motor is what i have. It had the merc spitfire,4 blade, 14x14. The Turning Point "Hustler" 4 blade, 14x13 actually fit right on the spitfire's hub, and matches the diameter of my gearcase. So, I'm...
  14. J

    prop for pontoon

    also, there is a placard, usually, on a boat that gives the maximum HP rating for that boat. It may not be the motor that came on the boat...
  15. J

    prop for pontoon

    I have a 24', '07, pontoon boat, 25" tubes. I put a new merc 115 hp, CT on it last year with a spitfire (merc) 4 blade, 14x14 prop. With just me on board I'd get 26-27 mph @ about 56-5700 rpm's....that being said.. All the previous advice above needs to be addressed, specifically why the...
  16. J

    115 Pro XS Command Thrust on a pontoon - prop?

    Fyi and my results. I have a 2007 24' lowes ,twin tube pontoon boat. 25" tubes, no lifting strakes. Double bimini top, always up. I replaced the merc stock 60 hp last summer with a new 2021 115 CT. They put a spitfire , 4 blade, 14x14 on it. Also, It had one lower mount position available if...
  17. J

    1986 lowe 160 16ft -motor weight problems

    Does the boat should have a data plate that says what the maximum hp limit is? If it does, and being an 80's boat, whatever the weight is for a motor of that hp back then would be the max weight you should put on the boat.
  18. J

    trailer tires, sizes, ratings..and switching...

    yes...i have the 20.5 size..it's what karavan/lowes put on back in 07..=......just wanted to run the thought by....it's winter, what else is there to do...
  19. J

    trailer tires, sizes, ratings..and switching...

    I've got a 24' 07 Lowes pontoon boat with a new 115hp merc. CT. motor. The stock, karavan tandem wheel trailer runs on the large 10" tires., load range "E". I've wondered if going to a 12" wheel/tire would be better except that the highest load range available is "D". I like the idea that my...
  20. J

    2003 Mercury 60ELPTEFI only turning 5100 RPM

    guess not..
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