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-   -   Hydromotive Props? (https://www.offshoreonly.com/forums/superboat/257516-hydromotive-props.html)

GRH 07-08-2011 08:41 AM

Hydromotive Props?
 
Anyone have any expirience with Hydromotive Quad 4's on Y2K's?

I'm running a Bravo 30 about 5600 rpms & am looking for a 32... found a 32 Hydromotive & thought it might be worth a try?

Pure Energy 07-08-2011 09:44 AM


Originally Posted by GRH (Post 3447541)
Anyone have any expirience with Hydromotive Quad 4's on Y2K's?

I'm running a Bravo 30 about 5600 rpms & am looking for a 32... found a 32 Hydromotive & thought it might be worth a try?

I'm running the p5-x 29 left hand. Best prop so for. I was running a 4 blade lefty hydromotive and was better than the bravo 1. Had it labbed for bow lift, helped a bit

Call hydromotive for their pitch recommendation. Trying props gets expensive and trying to resell them sucks.

Dave M 07-09-2011 08:19 AM

I tried a P5X on my boat and it didn't work for me. I have ITS, so the additional setback and drive height may be different than you guys.

So far, a tweaked RH 28P Bravo is working best for me. I would like to try a Merc. Maximus when I get a chance. I'd also like to try a LH bravo too.

GRH 07-11-2011 08:47 AM

I bought a stock 32 Bravo to try... I've had great luck with Bret @ Bblades.... he made a 28 Maximus for my boat a couple years ago that is absolutely the best prop I ever ran on it.... unfortunately it is too small with the new motor..... it is 3 mph faster then the Bravo @36-3800rpms which is where I generally run the boat.... planes better... just better all around...but 2-3 mph slower on top then the Bravo.... which i really don't that much about... I'm still dialing this thing in.... the old motor would turn my Bblades 30 Bravo about 4900-5000 with 2 people & half a tank... the new motor turn the same prop 5500 with 4 people & full tank & I really wasn't working the trim very much... I need to keep it under 5600 to be happy I think.... Thanks for the input guys.....

Dave M 07-11-2011 09:08 AM


Originally Posted by GRH (Post 3449213)
I bought a stock 32 Bravo to try... I've had great luck with Bret @ Bblades.... he made a 28 Maximus for my boat a couple years ago that is absolutely the best prop I ever ran on it.... unfortunately it is too small with the new motor..... it is 3 mph faster then the Bravo @36-3800rpms which is where I generally run the boat.... planes better... just better all around...but 2-3 mph slower on top then the Bravo.... which i really don't that much about... I'm still dialing this thing in.... the old motor would turn my Bblades 30 Bravo about 4900-5000 with 2 people & half a tank... the new motor turn the same prop 5500 with 4 people & full tank & I really wasn't working the trim very much... I need to keep it under 5600 to be happy I think.... Thanks for the input guys.....

Are you looking to sell the Maximus? I might be interested, 28P might be too tall for me. How much HP was your old motor?

GRH 07-11-2011 10:13 AM


Originally Posted by Dave M (Post 3449249)
Are you looking to sell the Maximus? I might be interested, 28P might be too tall for me. How much HP was your old motor?

The old motor was about 530 hp & would turn it about 5000 rpms... I may sell it if I could find a 30 just like it I would.... may give me incentive to have Bret just make me a new one... which was $1,500 when I bought this one... not cheap!

Pure Energy 07-11-2011 04:51 PM

I have a 28 RH Maximus I'd like to get rid of. PM me an offer.

Dave M 07-11-2011 04:55 PM


Originally Posted by Pure Energy (Post 3449755)
I have a 28 RH Maximus I'd like to get rid of. PM me an offer.

How does it compare pitch wise to a bravo? I'm between a 28 and 30 bravo. I think a 28P Max might be too much prop.

GRH 07-12-2011 08:17 AM


Originally Posted by Dave M (Post 3449762)
How does it compare pitch wise to a bravo? I'm between a 28 and 30 bravo. I think a 28P Max might be too much prop.

Mine (Bret labbed it for the SB) runs a couple hundred rpm's less then my labbed 28 Bravo and a couple hundred rpm's more then the labbed 30 Bravo.... faster then the 28 not as fast as the 30.... but the boat LUVS that 5 blade.... enough so that I prefer it over the faster 30 Bravo for everyday use..... significantly better fuel mileage imo....

Dave M 07-12-2011 09:19 AM


Originally Posted by GRH (Post 3450352)
Mine (Bret labbed it for the SB) runs a couple hundred rpm's less then my labbed 28 Bravo and a couple hundred rpm's more then the labbed 30 Bravo.... faster then the 28 not as fast as the 30.... but the boat LUVS that 5 blade.... enough so that I prefer it over the faster 30 Bravo for everyday use..... significantly better fuel mileage imo....

That sounds like it might work for me. I'm propping for 5200 RPM. In cool air, light load, I'm on the rev limiter with my 28. My 30P I'm turning around 5000 RPM. I Haven't tested the 30P in cool weather yet. If I can squeeze 5200 out of the 30P, that would probably be my fastest. I think my slip numbers could be improved. They aren't as low as my 24 was anyway. The 5 blade should help with that.


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