Engine dies after downline

jim ivey jivey61 at msn.com
Wed May 7 03:40:08 AKDT 2003


Bill
First make certain the tank is not foaming,likeBubbles so small you can 
hardly see them. Make sure the clunk is not forward.
I would adjust with the nose high(pointed up) and pinch the fuel line Listen 
for a increase in rpm. A slight increase means you are on the rich side of 
peak.
The pipe can be a different animal.

Jim I



jivey61 at msn.com





>From: "Bill Carpenter" <bcarpenter at greenvilleisp.net>
>Reply-To: discussion at nsrca.org
>To: discussion at nsrca.org
>Subject: Re: Engine dies after downline
>Date: Fri, 01 Jan 1904 00:21:10 -0500
>
>Jim I, Thanks for reply.  How far off of peak (rpm) would you richen this
>engine?  What about lengthening the pipe a little?  I've heard that a pipe
>too short makes for lean runs and a pipe too long makes for rich ones.
>
>Thanks, Bill
>
>----------
> >From: "jim ivey" <jivey61 at msn.com>
> >To: <discussion at nsrca.org>
> >Subject: Re: Engine dies after downline
> >Date: Tue, May 6, 2003, 10:06 PM
> >
>
> > It's lean getting hot losing compression.
> >
> > Jim I
> >
> >
> > ----- Original Message -----
> > From: "Bill Carpenter" <bcarpenter at greenvilleisp.net>
> > To: "NSRCA" <discussion at nsrca.org>
> > Sent: Tuesday, May 06, 2003 10:04 PM
> > Subject: Engine dies after downline
> >
> >
> >> Not long ago there was a discussion regarding an engine which died 
>after a
> >> downline.  I didn't pay too much attention because it didn't happen to 
>me.
> >> Well, since I tuned the pipe, my engine is doing EXACTLY the same 
>thing.
> >> How did that discussion end up - any solution?
> >>
> >> I have a Webra 120 with Bolly pipe, using a 16X12 prop and Magnum 15%
> > fuel.
> >> The engine will run all day on the ground, working through the throttle
> >> range, good idle and transition to full. RPM tweaked out at 8100.  
>Also,
> > it
> >> doesn't seem to die suddenly.  I lose power and can't get it back by
> > moving
> >> the throttle up and down, but the prop doesn't stop spinning until I'm 
>on
> >> final approach - 10 or 15 seconds after it's assumed the engine died.
> >>
> >> Any ideas???????  Thanks
> >> ---
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