Curious OS 1.40 RX Problem

[Keith Hoard]

Same here.  Ron, I had this problem at the Pensacola contest and then my
bearings went out shortly thereafter.  Replaced bearings and now it works
great again. . .



Keith L. Hoard
Cordova, TN
khoard at midsouth.rr.com




-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org] On
Behalf Of vicenterc at comcast.net
Sent: Tuesday, June 15, 2004 3:49 PM
To: discussion at nsrca.org
Cc: Wayne Galligan; discussion at nsrca.org
Subject: Re: Curious OS 1.40 RX Problem

Agree. I had the same experience wiht my OS 140 RX.  The bearings were the
problem.

Vicente


> Ron,
> 
> On my OS 1.40RX if I experienced a change similar to that and the thing
had
> been running flawlessly before that it usually meant the bearing was on
its
> way out.  Mine would load up in the mid range and flame out.  Change
bearing
> and not even touch the settings outside minor top end adjustment and it
> would run fine again.
> 
> Wayne Galligan
> 
> ----- Original Message ----- 
> From: "Ron Van Putte" <vanputte at cox.net>
> To: <discussion at nsrca.org>
> Sent: Tuesday, June 15, 2004 12:52 PM
> Subject: Curious OS 1.40 RX Problem
> 
> 
> > John Fuqua has been running an OS 1.40 RX is a Focus with absolutely no
> > problems for two years.  A month ago he finished a Panacea and
> > installed a new OS 1.40 RX that he'd broken in and flown on his old
> > Focus.  Everything was fine in the new Panacea until a week ago.  The
> > engine ran fine on the ground, but at varying times airborne, the
> > engine would quit rich at full throttle.  We tried a number of things
> > until we leaned out the idle mixture.  The problem went away.  I can
> > understand any number of reasons why an engine will go lean, but causes
> > of going rich are on a short list.  Does anyone have a clue what caused
> > this problem?
> >
> > BTW, leaning out the idle mixture caused the engine to be at a higher
> > RPM in the mid-throttle settings and John had to redo the transmitter
> > throttle curve to get the throttle response the way he wanted it.
> >
> > Ron Van Putte
> >
> > =====================================
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> 
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