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<div>I've used the 18x10 sport prop that Ron talks about. Still have it I think. I used it on a 27% Xtra 300 10 years ago at least. I don't think I liked it much from thrust generation POV and it was very heavy.</div>
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<div>Frank stick with the 18.1x10. If you need a little more speed, try a standard blade 17x12. Stay away from wide blades...they don't help much in generating thrust. If I can find the 18x10, I'll bring it to the field today so you can try it. </div>
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<div>Matt<br>
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<div style="FONT-FAMILY: arial,helvetica; COLOR: black; FONT-SIZE: 10pt">-----Original Message-----<br>
From: ronlock@comcast.net<br>
To: General pattern discussion <nsrca-discussion@lists.nsrca.org><br>
Sent: Sat, Mar 20, 2010 7:36 am<br>
Subject: Re: [NSRCA-discussion] APC PROPS FOR OS 140 RX<br>
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<div style="FONT-FAMILY: Arial; COLOR: #000000; FONT-SIZE: 12pt">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.<br>
Ron Lockhart<br>
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----- Original Message -----<br>
From: "Ed Alt" <<A href="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><br>
To: "General pattern discussion" <<A href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>><br>
Sent: Saturday, March 20, 2010 7:24:42 AM (GMT-0500) Auto-Detected<br>
Subject: Re: [NSRCA-discussion] APC PROPS FOR OS 140 RX<br>
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<div><FONT face=Calibri>Frank:</FONT></div>
<div><FONT face=Calibri>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.</FONT></div>
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Ed</FONT></div>
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<div><B>From:</B> <A title=frankjuliei@comcast.net href="mailto:frankjuliei@comcast.net">frank</A> </div>
<div><B>Sent:</B> Saturday, March 20, 2010 7:10 AM</div>
<div><B>To:</B> <A title=nsrca-discussion@lists.nsrca.org href="mailto:nsrca-discussion@lists.nsrca.org">'General pattern discussion'</A> </div>
<div><B>Subject:</B> [NSRCA-discussion] APC PROPS FOR OS 140 RX</div>
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<div class=MsoNormal><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">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 ?</SPAN></FONT></div>
<div class=MsoNormal><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"> </SPAN></FONT></div>
<div class=MsoNormal><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Thanks,</SPAN></FONT></div>
<div class=MsoNormal><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Frank</SPAN></FONT></div>
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