My rain proof cap and the bare wire ones all have the same vent hole in the front of the ridge. Do some reinproof caps not have a hole?
--- In [email protected], "craig" <c.hin...@...> wrote: > > Hartmut is correct. The wing tank fuel caps must be identical. ie, if you > have a Rain-Pruf float indicator cap on one tank and the regular Ercoupe cap > on the other the tanks will not feed evenly. One tank will pressurize and > force fuel over to the other tank in flight. > > --- In [email protected], "pilotmac818" <pilotmac818@> wrote: > > > > Thanks. I'll let my mechanic know the consensus and will let you know what > > he discovers. > > > > Mac McMahon > > N94184 > > VKX Friendly, MD > > > > --- In [email protected], Hartmut Beil <hbeil@> wrote: > > > > > > > > > Mac > > > > > > > > > > > > I am with Glenn. > > > > > > > > > > > > I noticed that the vents in the caps are important. They slightly > > > pressurize the tank system inflight. > > > > > > If only one cap has an open vent hole, the tank will be emptied but the > > > resulting pressure differential could hinder the second tank to empty. > > > > > > > > > > > > Hartmut > > > > > > > > > > > > To: [email protected] > > > From: putput1@ > > > Date: Wed, 2 Jun 2010 07:29:53 -0400 > > > Subject: Re: [ercoupe-tech] Fuel system problem > > > > > > > > > > > > > > > > > > My guess! plugged vent in cap Glenn > > > > > > > > > On Jun 2, 2010, at 7:01 AM, pilotmac818 wrote: > > > > > > > > > The fuel system on my coupe continues to give me heartburn. This time the > > > left tank refused to fill the header so when the right tank finished its > > > job the header tank started to go down. There was some tension in the > > > cockpit as we watched this. I'm thinking a blockage in the line between > > > the left and right tank prevented the transfer of fuel to the right tank > > > and then to the header. The three fuel gauges were all set properly. Am I > > > on the right track? > > > > > > Mac McMahon > > > N94184 > > > VKX Friendly, MD > > > > > > > > > > > > > > > > > > > > > > > > > > > _________________________________________________________________ > > > Your E-mail and More On-the-Go. Get Windows Live Hotmail Free. > > > https://signup.live.com/signup.aspx?id=60969 > > > > > >
