[NSRCA-discussion] APC PROPS FOR OS 140 RX

[ronlock at comcast.net]

You might try an 18x10 , the one with very wide blade at hub, tapering to point at end. Will likely require a significant spinner cone trim. That prop was next best to the 3b 10p for me. 
Ron Lockhart 

----- Original Message ----- 
From: "Ed Alt" <ed_alt at hotmail.com> 
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org> 
Sent: Saturday, March 20, 2010 7:24:42 AM (GMT-0500) Auto-Detected 
Subject: Re: [NSRCA-discussion] APC PROPS FOR OS 140 RX 


Frank: 
Don't go less than 10 pitch, you just won't have enough speed without developing a lot of RPMs and a lot of noise to go with it. 

Ed 




From: frank 
Sent: Saturday, March 20, 2010 7:10 AM 
To: 'General pattern discussion' 
Subject: [NSRCA-discussion] APC PROPS FOR OS 140 RX 




Been running an APC 3- blade (15-10) re-pitched by Dave Lockhart on my Brio for quite some time until yesterday when I nicked a tip on landing. I have also used an 18.1 x 10 with pretty good results. I noticed that APC also has an 18x 8 W IMAC prop and a 18x 6W 3D prop. I assume the later would be less desirable, but who knows until it’s tried. Has anyone used either and on what motor ? 



Thanks, 

Frank 




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