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  #1  
Old 01-22-2010, 09:54 PM
JDanno JDanno is offline
 
Join Date: Apr 2008
Location: Tennessee
Posts: 440
Default Hartzell BA prop question
I'm trying to find out the flange thickness and mounting bolt (stud) diameter of a Hartzell 3 blade BA prop. Anybody help me?? TIA, Dan
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  #2  
Old 01-23-2010, 08:59 AM
C-GRVT C-GRVT is offline
 
Join Date: Feb 2006
Posts: 305
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The blended airfoil Hartzell that I got from Van's has an "R" type hub - prop model number HC-C2YR-1BFP/F7497-2.
This hub has six 1/2" studs (bolts). The flange thickness at the stud locations looks to be between 17 and 18/32".
Bill Brooks
Ottawa Canada
RV-6A finishing
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  #3  
Old 01-25-2010, 08:03 AM
rdickens rdickens is offline
 
Join Date: Jan 2010
Location: Ohio
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Default Hartzell BA prop question
The stud diameter is 1/2", the bolt circle is 4.750" and flange thickness is .562 +/- .010".

Rolf Dickens
Hartzell
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  #4  
Old 01-25-2010, 09:55 AM
JDanno JDanno is offline
 
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Thanks guys!!
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