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  #46  
Old 11-17-2009, 03:50 PM
portacruise portacruise is offline
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More ideas in the thread "efficient electric boats" on this forum, pg 12 and beyond.
Torquedo has some 2 and 3 blade props which can be purchased as replacement parts. These should be very strong and possibly adaptable to your project as well.

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Originally Posted by portacruise View Post
Here's some other ideas from a fast HPB:

http://www.openwatercycling.com/imag...0219/INDEX.HTM

V
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  #47  
Old 11-17-2009, 03:54 PM
drbobbob@aol.co drbobbob@aol.co is offline
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And alas there were no 15x25s to be found.
Here is a list of the Bolly props I could find,
16x13w, -2 blade
16x14 -2 blade
16x13 -3 blade
14x14 1/2 - 2 blade
There is also an APC 16x16
any thoughts?

Oye I also noticed that I was misreading the power chart on the motor.
It produces about 5 HP at 800rpm at 24V and 300A
I was reading the Efficiency of the motor not the NewtonMeters of torque.
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  #48  
Old 11-18-2009, 02:49 AM
Guest625101138 Guest625101138 is offline
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Bob
What size is the marine prop you currently have?

Rick W
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