<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'>I have one 3 blade re-pithched. Do you want to go back to 3b? That is the best for that engine.<BR><BR>Vicente "Vince" Bortone<BR><BR>----- Original Message -----<BR>From: rcmaster199@aol.com<BR>To: nsrca-discussion@lists.nsrca.org<BR>Sent: Saturday, March 20, 2010 9:11:08 AM GMT -06:00 US/Canada Central<BR>Subject: Re: [NSRCA-discussion] APC PROPS FOR OS 140 RX<BR><BR><FONT face=arial color=black size=2>
<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><BR></DIV>
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<DIV style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial,helvetica">-----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><BR>
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<DIV style="FONT-SIZE: 12pt; COLOR: #000000; FONT-FAMILY: Arial">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><BR>----- Original Message -----<BR>From: "Ed Alt" <<A href="mailto:ed_alt@hotmail.com" target=_blank>ed_alt@hotmail.com</A>><BR>To: "General pattern discussion" <<A href="mailto:nsrca-discussion@lists.nsrca.org" target=_blank>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><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>
<DIV><FONT face=Calibri><BR>Ed</FONT></DIV>
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<DIV><B>From:</B> <A title=frankjuliei@comcast.net href="mailto:frankjuliei@comcast.net" target=_blank>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" target=_blank>'General pattern discussion'</A> </DIV>
<DIV><B>Subject:</B> [NSRCA-discussion] APC PROPS FOR OS 140 RX</DIV></DIV></DIV>
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<DIV class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">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 face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </DIV>
<DIV class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks,</SPAN></FONT></DIV>
<DIV class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Frank</SPAN></FONT></DIV></DIV>
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