The hump in the tank bottom allows the returned fuel to enter the tank rese
rve side and spill over to the main side until the fuel level drops to abou
t 2.5 gallons remaining. Once the main side of the saddle is exhausted of
fuel (2.5 gallons remaining), of course the engine quits if the selector is
on main, so the fairly standard procedure of:
Aux fuel pump ' On
Fuel Selector ' Reserve
Engine ' Restart if not wind milling above 200RPM
This will allow you to have the remaining 2.5 gallons US on the Reserve sid
e of the hump for about 20-30 minutes before total fuel starvation. Hopefu
lly you never have to be that low on gas.
Keep in mind, if flying in a very high angle side slip will splash fuel fro
m one side of the saddle to the other when fuel level is down to about 4-5
US gallons remaining.
Please study the cockpit module and fuel tank description in the build manu
al for a clearer picture of the tank shape.
Fuel return is very small at high cruise and normally is about 1-2 gallons
depending on 912 engine type over a full 2.5 hour flight time. The 914 ret
urn is quite high at low power and low altitude and lower in full power ope
rations at high boost.
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________________________________
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matr
onics.com> on behalf of Europa48 <corinthian@me.com>
Sent: Saturday, June 23, 2018 2:48:20 PM
Subject: Europa-List: Return of unused fuel to reserve tank
Hi
Does anyone know what the normal rate of fuel return is from a Europa Xs ma
in fuel tank to the reserve is? Is it necessary to use the reserve side fir
st before switching to the main tank to allow space for unused fuel to be r
eturned, or does any excess just go to the main tank.
Thanks
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