Mailing List flyrotary@lancaironline.net Message #13125
From: Charlie England <ceengland@bellsouth.net>
Subject: Re: [FlyRotary] Re: Bubbles in fuel line from pump - update
Date: Tue, 23 Nov 2004 21:41:22 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Bulent Aliev wrote:

On 11/23/04 4:27 PM, "Charlie England" <ceengland@bellsouth.net> wrote:

 

Actually, you do have a vacuum pump. Plug your tank vent & run the fuel
pump in short bursts. Watch the tank skins closely for cupping between
the ribs & watch the fuel line for bubbles. Try smearing the potential
leak points on the valve with heavy grease & see if it makes a difference.

Charlie
(helping Finn avoid spending money)
   



Charlie, this is not such a good idea.
There is a danger that the duct tape will be sucked inside the tank and
cause bigger problem?
Bulent
 


If it's a typical RV style vent, there's a standard A/N flair fitting on the bottom of the wing. Just cap it. In any case, he'd likely collapse the AL tank before he sucked a proper plug through a 1/8" ID line into the tank. The tanks won't withstand more than 2 or 3 lbs psi of pressure or vacuum without damage. Of course, he might be able to achieve the same thing by just greasing up the valve, running up the engine & checking for bubbles.



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