[AlaskaRC] Anyone good tuning an engine

Nathan Stanfield NathanStanfield at hotmail.com
Thu Sep 10 20:09:03 AKDT 2009

Thanks for the help! I am going to try plugging the pipe tonight and I will
test it out Sunday. I was so happy today when it flew, but then terrified
when the engine died, but the dead stick landing was one of the best
landings I have ever made. Too bad I had to power to go around and land
again. I will be out at Elmendorf Sunday if anyone wants to come out and fly
with me. 
-------Original Message-------
From: ray hoffman
Date: 9/10/2009 5:50:45 PM
To: ARCS mailing list
Subject: Re: [AlaskaRC] Anyone good tuning an engine
Hi Nathan, I had the same problem, when I put Pitts mufflers on my B-17. I
had problems with all the engines running right. So I did just what you're
thinking. I cut off one pipe, leaving maybe a 1/2 inch. I plugged it with a
wood dowel.Just be sure to drill a very small hole in the center of dowel,
so oil can drain. If you have trouble with afterwords, let me know, and I'll
help you tune it personally. Hope I helped.

--- On Thu, 9/10/09, Nathan Stanfield <NathanStanfield at hotmail.com> wrote:

From: Nathan Stanfield <NathanStanfield at hotmail.com>
Subject: [AlaskaRC] Anyone good tuning an engine
To: alaskarc at lists.alaskarc.org
Date: Thursday, September 10, 2009, 3:41 PM

Hello all, I am a new member of the club and just got to Alaska a month ago.
I have an OS .55 with at Pitts muffler that is giving me problems. It runs
well on the stand but dies as soon as I try to throttle up to take off.  I
have tuned it the best I can, its just rich enough so that it does not lose
power when pointing strait up, but I think with the pitts its not getting
enough back pressure and is running rich to keep it going when pointed up. I
think if I pinch off one of the two exhaust outlets it might help??? Anyone
willing to come out to Elmendorf field on Sunday to help me with it? Or does
anyone have any ideas about what I could do to fix this?

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