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Date: Wed, 30 Jul 2003 09:02:37 -0700 (PDT)
From: John Overman <mooneydryver@yahoo.com>
Subject: Re: [FlyRotary] auto troubleshooting question
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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--- Fly Bum <fly_it_slow@yahoo.com> wrote:
> Trying to help a friend get his recently purchased
> 2nd
> gen running.  He has a street ported 13b with a
> weber
> copy side draft carb.  The engine starts and runs
> fine
> for about 3 minutes and then it starts
> backfiring/popping (a little) and loses power and
> quits.  Let it sit for a while and it will start
> back
> up and run ok again for another 3 minutes.  
> 
> I don’t think it’s the fuel pump cutting out since
> he
> has it hardwired on and it seems to be putting out
> plenty of flow.  
> 
> What else to look for?
> 
> Thanks guys!
> 
> Joa
> 
> 
Sounds like fuel starvation. If he is using old fuel
line hoses, sometimes they will crack on the inside
and under pressure the cracks will partially close off
the line.
                      John

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