Maybe the line itself is the restrictor. In any event, the tanks slowly level out when being filled.
Like I said, what do I know. Hartmut To: [email protected] From: [email protected] Date: Thu, 6 Aug 2009 12:26:32 +0000 Subject: [ercoupe-tech] Re: how full of fuel Thats the first I have heard of a restrictor in the line between the tanks???? Kevin1 --- In [email protected], Hartmut Beil <hb...@...> wrote: > > > "I wonder why the coupe tends to lose fuel this way" > > > > The Ercoupe fuel system takes the fuel from the interconnected two main > tanks, pumps it in the nose- or header tank and from there all fuel in excess > of the engine need flows over to the left wing tank (in most cases). > > > > The left wing tank is connected to the right one and here the fuel starts its > journey again. > > > > The problem is that the pump takes fuel from both interconnected tanks but > the overflow goes into one of the main tanks only. > > The fuel does not even out between both main tanks, due to a restrictor > fitting in the connecting line. > > > > So if you don't leave a small buffer for the fuel , it has to overflow. > > > > Later style fuel systems tried to correct the overflow issue by proving an > header tank overflow into both main tanks, I have such system in my plane. > > > > It works , but only on level ground or in-flight. When my coupe is slightly > tilted, the fuel again flows only into one wing tank and the fuel sprays out > of that tank. > > > > The fuel system in a cessna does not have these problems, since their tanks > are all above the engine, all are gravity feeding the engine and the whole > business of pumping fuel through a system might not be an issue there. > > > > But what do I know. > > > > Hartmut > > > > To: [email protected] > From: alfen...@... > Date: Wed, 5 Aug 2009 19:28:56 -0700 > Subject: [ercoupe-tech] how full of fuel > > > > > > > > > > I have the 46 coupe 415-C. I also have the 7.5 gal tanks, instead of 9 like > most of you do. My question is, how full to fill the tanks. I have heard that > up to the brim, and I will lose fuel to siphoning. I never had this problem > in my 172, and I wonder why the coupe tends to lose fuel this way. I am now > putting too little fuel in, and just want to know a good ballpark average the > rest of you men/women use. Thanks for reading this. > Gary > > > > > > > > > > > __________________________________________________________ > Windows Live™: Keep your life in sync. > http://windowslive.com/explore?ocid=PID23384::T:WLMTAGL:ON:WL:en-US:NF_BR_sync:082009 > _________________________________________________________________ Windows Live™: Keep your life in sync. http://windowslive.com/explore?ocid=PID23384::T:WLMTAGL:ON:WL:en-US:NF_BR_sync:082009
