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Old Jan 05, 2015, 02:02 PM
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Athens Greece
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2 to 3 blade prop conversion chart

I was wondering if there is a chart that converts a 2 blade prop size to 3 blade prop.
I would like to change my APC 11X7 prop to a three blade.
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Old Jan 05, 2015, 02:49 PM
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I TOBOR's Avatar
Joined Feb 2007
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www.zingerpropeller.com

Follow the Products button.

This might be better, http://www.zingerpropeller.com/_2_blade_.htm
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Old Jan 05, 2015, 02:56 PM
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Athens Greece
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makes a little difference, drops only an inch diameter and keeps the same pitch as a general rule.

Thank you
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Old Jan 07, 2015, 02:10 PM
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United States, FL, Miami
Joined Mar 2012
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Quote:
Originally Posted by gordinir8 View Post
makes a little difference, drops only an inch diameter and keeps the same pitch as a general rule.

Thank you
Exaclty!! that is just a simple "general rule"... your particular plane and the way how you like to fly will give you the final words.

Here you will find a lot of debates on how efficient are the 3 blade props versus the 2 blades, some with NASA-geek data and other of people just liking the way how a 3 blade looks... anyway, IMHO every plane/pilot has its own characteristics hence my advise.

cheers
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Old Jan 07, 2015, 06:44 PM
Max Tenet
Joined Oct 2005
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The real I found problem is getting a spinner to fit them. They do look nice though.
Max
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Old Jan 07, 2015, 07:11 PM
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United States, FL, Miami
Joined Mar 2012
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Originally Posted by Max Tenet View Post
The real I found problem is getting a spinner to fit them. They do look nice though.
Max
I got all my 3 blade spinners from Hobbyking, good quality and waaaay better price.
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Last edited by larryoakley; Jan 07, 2015 at 07:50 PM.
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