OS 160 setup question

[Keith Black]

Consider checking your fuel delivery system. Maybe you have an air leak,
fuel blockage or the pump is malfunctioning.

This weekend I had several backfires on my Webra 1.45. When I returned home
I took things apart and found debris inside my fuel filter. Also found a
questionable valve in the pump. I think one or both of these contributed to
the problem.

Keith Black


----- Original Message ----- 
From: "Fletcher, Richard" <Richard.Fletcher at gs.com>
To: <discussion at nsrca.org>
Sent: Monday, September 13, 2004 1:48 PM
Subject: RE: OS 160 setup question


> Hi Karl,
>
>     I am using a Perry pump and a 20 oz tank mounted on the CG. I have
been
> careful to not run it lean but I think I will install a hopper tank so
that
> I never get a lean run due to air bubbles.
>
>
>
> Thanks, Rich
>
>
>
> -----Original Message-----
> From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On
> Behalf Of Karl G. Mueller
> Sent: Monday, September 13, 2004 2:41 PM
> To: discussion at nsrca.org
> Subject: Re: OS 160 setup question
>
>
> Rich,
>
> In the past two years running this engine I never had it backfire. You
must
> be running it fairly lean to start with. This is where a hopper tank
helps.
> It will not give you any change in fuel delivery from a full main tank to
an
> empty one, not until you run the hopper tank dry as well. What type of
setup
> are you using ?
>
>
> Karl G. Mueller
> kgamueller at rogers.com
>
> ----- Original Message ----- 
> From: "Fletcher, Richard" <Richard.Fletcher at gs.com>
> To: <discussion at nsrca.org>
> Sent: Monday, September 13, 2004 12:04 PM
> Subject: OS 160 setup question
>
>
> > Has anyone had a problem with this engine throwing props and spinners?
> > It has happened to me a few times when the tank is almost empty. I
> > suspect
> that
> > what is happening is air bubbles are developing in the feed line due
> > to
> the
> > almost empty tank subseqently causing a lean run resulting in the
> > engine back firing. Any help on this is appreciated.
> >
> >
> >
> > Thanks, Rich
> >
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> >
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