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<DIV><FONT face=Arial size=2>Correction: Bottom end needle.....1/16 of a turn,
not 1/8. The bottom end screw is VERY sensitive.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>-Mike</FONT></DIV>
<BLOCKQUOTE
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=kerlock@comcast.net href="mailto:kerlock@comcast.net">Mike Hester</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, June 06, 2006 11:42
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Break-in
procedure for OS140</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>I am going to write a full "care and feeding"
article for the OS 140 for the July K-Factor, but here's a good
start.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>First, set your low end screw parallel to the
cylinder. 12 o'clock, straight up and down. leave it there for the duration of
the break in.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Use an APC 17x10N prop. use an OS F
plug.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>back the high end needle out 2 full turns. if you
plane has a chin cowl, remove it. This engine gets hot for the first run or 2
on the ground.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Crank the engine with a very high idle. Remove
the igniter and then advance the throttle to full power after about a minute.
It should be spitting rich.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Turn the high end needle until it gets some good
RPM but still very rich. You should be putting out some serious smoke. let it
run this way for about 5 minutes, no more.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Shut the engine off, and let it cool for about
1/2 hour. the more, the better.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Fill the tank, crank it again, run it to full.
This time go in on the needle about 2 clicks and use that for the reference.
About every 30-45 seconds, lean it until it goes to max RPM, and not ANY
further. Let it run this way for about 5 seconds, and richen it back up. Cycle
it this way for about 7 minutes. Shut down the engine, let it cool
again.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Crank the 3rd time, and run it at the same
setting for about 2 minutes. Now lean it a couple of more clicks, and it
should be still putting out some serious smoke, but a little closer to full.
Step back, and let it run wide open for a minute, then begin throttling it
back and forth every minute or so. Run the tank out like this.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>put it together and go fly it. Don't touch the
needle. When you get to the bottom of the 1st gallon, go in with the needle
ONE click every flight until you get max power. When your low end changes, set
the low end (always more lean, but not a whole lot. When you play with that
bottom end, a little goes a long way. Like 1/8 of a turn or so.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>There are a lot of diffferent ways to do it; some
people just set it rich and fly. This way works every time though, and the
engines last longer.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>have fun,</FONT></DIV>
<DIV><FONT face=Arial size=2>-Mike</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=cchariandy@yahoo.ca href="mailto:cchariandy@yahoo.ca">colin
chariandy</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, June 06, 2006 10:55
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [NSRCA-discussion] Break-in
procedure for OS140</DIV>
<DIV><BR></DIV>
<DIV>Just got a new OS140. I have'nt broken in one for 5 years...what's the
best/current practice for break-in?</DIV>
<DIV> </DIV>
<DIV>Colin.</DIV>
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