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10-23-2009, 10:58 AM
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#1 |
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Flyin' Around
 Join Date: Feb 2006
Location: Hannon, ON Canada
Age: 57
Posts: 18
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Propeller Spacing - Radial Cowl Design
There was a lot of discussion going around when Quique first released the Yaks on the market with respect to the spacing of the rear of the propeller to the face of the cowl for a radial engine. The reason was propeller efficiency.
Does anyone know the design criteria or "rule of thumb" that governs this spacing, or a publication that descibes the necessary design factors to come up with the spacing? Any input would be appreciated Ted
__________________
It's not the arrow, it's the Archer!  Ted |
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10-23-2009, 11:10 AM
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#2 |
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Has moved on
 Join Date: Jul 2008
Posts: 4,153
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Re: Propeller Spacing - Radial Cowl Design
1.5" is good
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10-23-2009, 11:34 AM
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#3 | ||||||||||||||||||
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Flyin' Around
Join Date: Feb 2006
Location: Hannon, ON Canada
Age: 57
Posts: 18
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Re: Propeller Spacing - Radial Cowl Design
Ted
__________________
It's not the arrow, it's the Archer! Ted |
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10-23-2009, 12:12 PM
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#4 |
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Horizon Hobby Employee
Join Date: Jan 2006
Location: Champaign, IL
Age: 21
Posts: 3,077
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Re: Propeller Spacing - Radial Cowl Design
Honestly, it really doesn't matter, as long as the prop isn't right up against the cowl.
Seth
__________________
Horizon Hobby Desert Aircraft AeroGraphix Duralite Flight Systems Vess Propellers |
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