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Hi Bill! 12/17
I have what looks like an original Ercoupe Service Manual with diagrams
for the various Coupe fuel plummings according to their serial number.
Give me your serial number & address if you'd like me to send you a copy
of yours.
Kathy Wilson, Page, AZ N3281H 1946 415D #3906
Ps.
The only time I had such an event was because a "pop rivet" had
mistakenly been used to repair my right fuel cap and failed. I had just
refueled and was 1/2 hr out when I noticed my header tank dropping.
People accuse me of even carrying the kitchen sink on across our country
flights, but this time a small mirror alerted me to the right tank's fuel
syphoning overboard. I diverted quickly to an alternate 20 miles away and
landed without incident. Fortuneately for me an ex-Ercoupe owner was the
mechanic, eagerly repairing the cap correctly for "no cost", just glad to
help a 'Couper!
There actually are lessons here for all of us. Upon refueling, even
if the FBO insists THEY must do the actual fueling, you do NOT have to
allow them to remove or replace your fuel caps, which is why that "pop
rivet" was probably used for repair in the first place, unbeknownst to me!
Plus I then can monitor the fuel tanks volume during filling to 1" below
the rim.
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I'm sure this has been addressed many times in the past, but I am
relatively new to the 'Coupe fraternity, being a former Comanche driver
who came in from the cold.
At the start of a cross-country flight last weekend, all three tanks were
topped off. The left wing depleted quickly, then the float indicator in
the header tank began to drop. At the end of the flight, the left tank
was empty and the header tank was almost empty, but the right tank was
full.
I understand that the little fuel pump transports fuel to the header tank
as needed, then gravity takes it from there to the gascolator. Any excess
is pumped as overflow from the header to the right wing tank, from which
fuel is pumped as needed when the left tank is empty and the header fuel
level begins to drop. That didn't appear to be happening.
Any ideas here? Can someone provide a definitive description of how the
fuel system should work, and what the float indications should be as fuel
burn progresses?
Thanks,
Bill Herridge
N99790
Gatesville, Texas
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