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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-676169@logan.com>
Subject: Re: [FlyRotary] Help, intermittent fuel leak!!
Date: Sat, 20 Aug 2005 18:57:15 -0400
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Bernie,

Here is a thought - assuming based on your inspection today that all fuel 
connections under the cowl are tight and no hose leaks.  IF your tanks has 
the external tank vent line that Van calls for - is it possible that during 
your fuel transfer that you may have transfer sufficient fuel to over fill 
the one tank and to cause some excess fuel to flow out the vent line? 
Recall the vent line exits (at least on my RV-6A) right behind the bottom of 
the cowling.  That's what I would bet on.

Ed A

----- Original Message ----- 
From: "WALTER B KERR" <jbker@juno.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, August 20, 2005 2:10 PM
Subject: [FlyRotary] Help, intermittent fuel leak!!


> Had planned to fly today for the first time with new bigie exit cowl
> flap. Yesterday was transferring some old fuel from right aux tank to
> right main tank. Looked under the airplane to see a massive puddle of
> fuel dumping from the rear of the cowling. Pulled top cowling this am and
> ran pumps again, smelled a little fuel (could have been from
> yesterday)but could not locate leak with the snake intake ducts and
> radiator blocking veiw. Pulled those two items off and back out of way.
> Now can see all the fuel lines and their joints. Ran pumps and fuel
> pressure holding good (37 psi with one and 38 with two on) but no fuel
> leak. Tried to think of something the cowling or intake manifolds could
> have been pushing against without coming up  with anything.
>
> The fuel system is about as simple as you can make it. 4 way selector in
> front of wing spar with left, right, aux, and off. Single feed line to
> firewall, a facett boost pump (never used), T'd to two walbro electric
> pumps, T'd to single line out of pump box mounted on the firewall, fuel
> filter, to rails, to regulator, back to single return line to right main
> tank. Lots of fittings but can not feel any wetness on any of them. RTV'd
> the plug in the fitting that has screw that backs out.
>
> ANY THOUGHTS??
>
> Bernie, disappointed to not be flying today
>
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