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Ironhorsecowboy69

2019 Maverick 18 HPX with 150 SHO

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14 1/2 X 23 Yamaha pro series PN  66K -45974-B0-00 .  When I had the 150 on my HPX I ran two props a 23 and a 25 Yamaha pro series 66k-45972-B0-00 to get a couple more mph sacrificing a little hole shot . The 23 worked well stock and was on it 70% of the time . 

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I ran a PowerTech PTR418 on my HPX with a “regular” TLR F115. Hole shot was great and you could trim it up as high as you want. I’d run out of water pressure before it lost any grip.

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I bought my boat from a auction , someone had stolen the prop and 700.00 edson steering wheel,  or I would have some idea where to start. I was told a Power tech 4 blade 151/4 with 17 pitch - but I wanted a little more info being you don't see this combo as often as with a 115 hp

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Not sure what a “151/4” is, I’m not really into prop experimenting, testing, etc... When people start talking about stern lift, blade cupping and all that prop stuff I check out. I just called Marcus at PT and asked what to run and went with it. There’s dudes on here that are really into dialing props in and have tried every prop under the sun that will have more info than me. 

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15.25 diameter and 17 pitch , I heard he is the best when it comes to props, I believe he goes by another name on here ! I can get more horsepower and do a lot of other things on a boat but when it comes to props I'm lost.

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FunkyMonkey on here... if you want a PowerTech prop I’d just give them a call and they’ll give you their recommendations. Mercury Spitfire props work really well on HPXs w/115s as well, XR7 21 pitch if I remember correctly but don’t quote me on that. 

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2 hours ago, jason p said:

FunkyMonkey on here... if you want a PowerTech prop I’d just give them a call and they’ll give you their recommendations. Mercury Spitfire props work really well on HPXs w/115s as well, XR7 21 pitch if I remember correctly but don’t quote me on that. 

I thought that Ironhorsecowboy6 has a HPX with a 150 HP sho on it that’s why I told him what props I used on my HPX when I had the 150 on it . I bought and ran a bunch of props on my 150/HPX to find what worked best for me before running the 14 1/2x 23 and 14 1/2X 25 pitch Yamaha pro series . 
   I agree with your Spitefire suggestions if you have a 18 HPX / 115 sho .it does run well on my boat with that combo ,I also like the PTR pro3  13 1/2x 21 on my 18 HPX/115 sho combo as well as the Yamaha K 13 1/2x 21 pro series . 

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I have had both three and four blade props with incredible hole shots when your not spinning to much prop for your motor to reach its maximum RPM and it vented if needed I have had good luck with hole shots with either . The 150 on my 18 HPX V was not as prop sensitive to carry extra weight or hole shot  as my  18 HPX is with the 115 SHO . Lots of things effect the hole shot prop diameter, motor height, boat balance / weight distribution , barrel length a short barrel with a flare end usually has a better hole shot than a non flare longer tube prop . ventilation hole size , how the pitch progresses, the shoe string size of the blade , a sharp v leading edge and a 90 degree sharp square trailing edge  , balance , how exact each blade is to each other . All of the above effect hole shot . I wish it was as simple as a 4 blade or a three blade . One of the few props that I have never owned or tested but sounds like a great prop for a HPX I think would be the Power Tech Pro 4 . A design very close to the Yamaha K Pro Series in a four blade  just sounds like something that should perform great . On some hulls the pro series doesn’t grip well in turns but is fantastic running straight that 4th blade may be a great addition on that design . May be worth asking Marcus the funky monkey about .    Joe R 

 

 

 

 

 

 

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Gotcha, I really have no idea. You lost me at barrel length🙂 You did remind me though I forgot to mention to the OP that my PTR4s had 3/8” ports as recommended by one of Marcus’ guys at PT. 

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Ironhorsecowboy69, did you get a prop yet for your HPX / 150HP set up yet . You should try a see if anyone in your area has a 14 1/2 X23 Pro Series Yamaha prop because a don’t think a 17 pitch prop will work very well on a HPX with a 150 SHO hanging on the rear if Marcus at Power Tech told you to get a 17 pitch maybe he didn’t think you have a 150 HP SHO on it .    Joe R. 

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Mounted on the inside of the transom under the rear center access hatch  . Are you sure the factory did not install one there ?  Joe R 

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On 7/27/2020 at 6:14 PM, dabear said:

I have had both three and four blade props with incredible hole shots when your not spinning to much prop for your motor to reach its maximum RPM and it vented if needed I have had good luck with hole shots with either . The 150 on my 18 HPX V was not as prop sensitive to carry extra weight or hole shot  as my  18 HPX is with the 115 SHO . Lots of things effect the hole shot prop diameter, motor height, boat balance / weight distribution , barrel length a short barrel with a flare end usually has a better hole shot than a non flare longer tube prop . ventilation hole size , how the pitch progresses, the shoe string size of the blade , a sharp v leading edge and a 90 degree sharp square trailing edge  , balance , how exact each blade is to each other . All of the above effect hole shot . I wish it was as simple as a 4 blade or a three blade . One of the few props that I have never owned or tested but sounds like a great prop for a HPX I think would be the Power Tech Pro 4 . A design very close to the Yamaha K Pro Series in a four blade  just sounds like something that should perform great . On some hulls the pro series doesn’t grip well in turns but is fantastic running straight that 4th blade may be a great addition on that design . May be worth asking Marcus the funky monkey about .    Joe R 

 

Taking notes as I always do when you talk shop Joe.  Good info you shared here, that could save a novice a lot of time, effort and expense.  👍

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Geeviam , you are so right about the expensive part . It’s so easy to talk about props than start doing the wonder how a Pro 4 would work thing , the wonder how prop game is very time consuming and very expensive , than there is the added cost when you buy a prop that gives you the best performance of ant stock out of the box prop and you send it out to be fine tuned to do a little more of what you want $$$ , Ive been thinking that the Pro 4  should do pretty much everything the Pro 3 does but may have more over all lift , may have a little better hole shot , may have a little more grip in a sharp turn situation. I heard that they have been used on some Carolina skiffs with Suzuki’s with great results . I have not heard of anyone testing a Pro 3 and than a Pro 4 on the same set up and compared the two . I also am not sure how much RPM drop there would be between the two . I am guessing to drop from a 21 to a 19 to maintain the same RPM but that just a guess . I really shouldn’t talk about props because it’s is so easy to think what if . $$$ .  Joe R 

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