Help

[VicenteRC]

I will try higher nitro.  At least 20% in a hot humid day.  I am using 
30% heli fuel.

Vicente Bortone



----- Original Message -----
From: Bill Glaze <billglaze at triad.rr.com>
Date: Thursday, July 31, 2003 1:15 am
Subject: Re: Help

> Hi, Georgie
> Doubt that the problem is caused by side mounting.  I've got 
> several Y.S.
> engines from .53 to 1.40 side mounted, and never a problem.  Are 
> you doing
> some particular maneuver when it quits?  Does it seem to go rich 
> or lean?
> Any other symptoms?
> 
> Bill Glaze
> 
> george kennie wrote:
> 
> > Hey Guys,
> > Need a little help here. I have a YS-63 mounted in a profile 
> airplane.It> will run out a whole tank of fuel on the ground 
> turning a 12X6 APC at
> > 12000 RPM with no apparent problems, but take-off and I can only 
> get a
> > couple of passes before it flames out. I'm running 20/20 
> Powermaster and
> > I changed the OS-F plug with no improvement.The clunk is not 
> hitting the
> > back of the tank.
> > I think I remember something on the list about a year ago about YS
> > four-strokes not liking side mounting and that a modification was
> > required to the throttle barrel or something like that. Can somebody
> > enlighten me or make suggestions.
> > Thanks
> > Georgie
> >
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> 

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