Offshoreonly.com - I think I need a five blade

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- - I think I need a five blade (https://www.offshoreonly.com/forums/prop-talk/218910-i-think-i-need-five-blade.html)

CB-BLR

10-22-2009 09:25 PM

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Quote:

Originally Posted by excalibur82 (Post 2977615)

I just tried a un touched 30 bravo. At 3800 61-62 and at 5200 85.8 so i'm sayin 86.That was in dead calm water. The boat likes chopp. I think a 30 labbed might be the one.I only have to trim it a little and it throws a mean tail.Chris i think you might be right with the px5 what pitch do you think i would need.

Thanks Rob

A thinned 29 pitch P5-x. I just so happen to have one that was labbed by Hering.

Chris

excalibur82

10-22-2009 11:16 PM

Chris you think a labbed 29 won"t be to big.Are you selling that prop?I really would like to try one.Do you think i will lose some speed up top or gain with a five blade.

Griff

10-23-2009 02:19 AM

Quote:

Originally Posted by excalibur82 (Post 2977618)

Griff that day i had a hole in my trim line so I had just a little trim in it.when you trim it more it really loosens up and throws a big tail but it dose not get much faster.Maybe BBlades will chine in.But i think the five blade might be the answer.

If it gains quite a bit of rpm, throws a rooster and does not pick up much speed, then I would say you need to go an inch deeper with a spacer. A 5 Blade may also be the answer. I had the same thing on my 28 Pantera. I dropped an inch lower to about 4.5" below the bottom and the boat responded much better to trim. Slip went down about 5%. Picked up 2 mph on teh top end. The 5 blades were not out yet when I did this though and I never tried one.

excalibur82

10-23-2009 09:09 AM

Well the 28 bravo that was labbed that prop for some reason the more i trimed it it got faster but real lose and felt unstable.This 30bravo one the more i trim it it just keeps getting faster and throws a huge tail.And my slip numbers are 12- 13% across the board with the 30 so that might be the prop.

Griff

10-23-2009 12:16 PM

The 30 Bravo 1 numbers sound real good. With 12-13% slip your slip is just fine. If you need some more rpm, then contact BBlades. He should be able to tweak it without changing any of the handling characteristics.

PIT BULL

11-18-2009 09:03 PM

Halls just got me over 5 mph from my Hydro 30 84.4@5100. told me 87+from a 28. Anyone have a big shaft 28 Hydro for sale.Or need a p5 27,Quad 28 small shaft 28 or bravo?

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