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Back together for testing made several changes and it’s back together.
Last edited:
Made some changes
- Thread starter Danny King
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Terry Keeley
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What props are they?
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2727 highly modified
Matt Fobes
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Danny where did you buy those pipe mounts? Is there a book or something else that would show me how to setup a twin? Thanks Matt
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The clamps are adel clamps. Search that. O buy them over size and custom fit them. The part mounted on the boat are old cmdi. I think Speedmaster’s has that part.
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I’d post the set up question in general. I can’t think of one but there are books and others will know that answer.
The best bet is to make a single run real good then do a twin. The set it isn’t much different. More lift because the 2 props and more acceleration. Twin are challenging but rewarding
The best bet is to make a single run real good then do a twin. The set it isn’t much different. More lift because the 2 props and more acceleration. Twin are challenging but rewarding
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Danny are you still testing the air cooled heads?
Matt Fobes
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Ok thanks. I have a old A/S Cobra 80 with the solid popular sponsons so I kind of know what you are talking about with a twin.
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Yes. They work awesome. Except for one thing. I’ll make another set soon. I t isn’t a cooling issue. It is a strength issue. Easy to correct.
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Yep, appears to be another guy who found the trick with radiused tips.
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Exactly....however, there's some science in the tip radii.
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yes there isExactly....however, there's some science in the tip radii.
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No....you flat out told me on the phone of recent that, in effect, it wasn't a good idea, Mark. I'm not going to argue with you.
When you've earned a BSME, wrote a ME thesis on Fluid Dynamics and added that to your prop experience, then we'll talk.
Until then, I'll leave those conversations between my friend, Jim Russell, and myself.
I don't have the time, nor inclination to dick around doing props....that's why I buy yours, and mod from there if needed, and also because, generally, you're a pretty swell guy.
You do a great job on the props, especially considering what you have to work with, with respect to some of the raws.
The info B-Blades affords on their site is rudimentary basics for the layman, at best.
Have a terrific day!
