Thread: prop slip 28%
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02-10-2010 02:50 PM
It was a sarcastic remark. Lets not start taking cheap shots guys.
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- Jun 2009
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03-18-2010 10:11 PM
I will give you a call tomorrow. I am going to get the boat from storage and mount one of the drives to get you an actual measurement of drive depth. I have found a set of 5 blade 32p Maximus blades but will hold off buying them till we talk. Thanks for your reply, Andy...
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03-22-2010 06:48 PM
I've been watching this thread too, it has some humor as well as interesting thoughts. Let me know how you progress and what you decide. I might have some test propellers for you to try. I like the thoughts of sticking to the 15/19 spline flo-torq configuration. This gives you a wide variety of stock as well as modifiable castings to work with. We carry Merc, Hydromotive, Turbo, Acme, Hering and 5 Axis as well as modify them all. 19 spline long hub cleavers are few and far between.
BrettLast edited by bbladesprops; 03-22-2010 at 06:51 PM. Reason: spelling
Brett Anderson / Owner BBLADES Professional Propellers
920-295-4435 www.bblades.com
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03-22-2010 08:47 PM
What do you mean by 15/19 spline flo-torq configuration? I think that you are talking about Flo-torque hubs? If so that is the set up I have now with the Bravo 34p props. The props are as new never touched. The weather here has been crappy but tomorrow looks good. I will post my prop shaft depth. What other info will a prop designer/prop lab tech need?
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03-23-2010 05:41 PM
I have just mounted my drives, the distance from the bottom of the hull, folowing the hull with a 6' straight edge to the center of the prop shaft with the drive inline with the hull is exactly 5". What type of prop should I go to? I have a chance to purchase off ebay, Maximus 34p also 36p Bravo ones. Or should I tweek my 34p bravo ones? Just found out my tachs are 300rpm out instead of 5600 rpm I am at 5250 rpm @86mph
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03-24-2010 04:12 PM
Years ago, when I had a Scarab with TRS, I put Hydromotive nose cones on them. The boat went the same speed, but they slowed the engine rpm's by about a hundred. I theorized that the props got a better bite in the smoother water flowing past. Also, I was only going about 60, at 90 mph, they would probably add some speed.
Big boats rule!
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03-24-2010 05:29 PM
gottem already, thanx anyways...
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03-24-2010 09:21 PM
Where do your engines need to be WOT rpm wise is the question. I would think spinning a higher Rpm/less pitch, would be easier on those TRS. Say your engines make peak torque at 5000, and peak hp at 6000, i'd try to get as close to 6000 as you can wot, to keep from torque loading the drives. The motors would be happier too.
If 5600 is your goal, maybe the prop gods can rework your 34's. Or maybe even go to 32 bravos. I would stay away from the maximus props on your setup.