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Yes some thing in the crossover Had 2539H blowing gas out left side . ----- Original Message ----- From: "Greg Bullough" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; "coupers" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Monday, June 25, 2001 6:59 AM Subject: RE: [COUPERS] Thar she blows > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > At 07:40 AM 6/25/01 -0400, Tom Garden wrote: > >I am having a fuel spray from the left wing fuel cap. I replaced the gasket > >but it seems to now be coming out of the vent hole. Any ideas? > > It may be normal. > > First of all, how do you fuel? You need to leave 'breathing room' in > all the tanks because the system interconnects and with changes > in attitude and inertia, the fuel heads for the low point. If that low > is a full-up wing tank out she comes. > > Never fill the header unless the wing tanks went dry. > > At cost of about a gallon of capacity, leave an inch or so of space > at the top of the wing tanks when you fuel up. > > Always fuel the down-hill wing tank first. > > You can do all these things and still spew a little fuel, depending upon > how things are plumbed and on what you're doing at the time of being > full of gas. > > Now, if you start out with a couple of inches of space above the fuel > in both wing tanks and a normal level header tank, and still spew > fuel, there is something amiss in the plumbing, like a cross-over > between the two wing tanks that is obstructed. Many coupes take > fuel from one tank for the header and overflow it into the other, so > the gas goes round and round. Any obstruction can cause this > wierdness. > > Very small pitch changes make a big difference in the header tank's > overflow habits, because it's a big, flat tank (fill a brownie tin with > water and tip it around to see what I mean). If there isn't room in > the wings to 'take up' the overflow, you get spray out from caps. > > Greg > > > ==^================================================================ EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Sid.bAhN69 Or send an email To: [EMAIL PROTECTED] This email was sent to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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