larry(at)macsmachine.com
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 Posted: Sat Nov 25, 2006 6:16 pm Post subject: Running out of gas without leaks |
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Hi Guys,
On the subject of running out of gas, today I experienced a left Bing
float-valve overflow while testing the fuel pumps after refueling.
Tapping the Reservoir seated the float valve. Another drip began when I
sampled the gascolator. That was stopped by re-seating the dump valve.
These were dry for 7-months during painting, so it was not a surprise,
and both of these things had happened once before during early
flight-testing. I added a paper fuel filter afterward to keep dirt out
of the Bings and until today, that had not recurred. I suspect a person
could run out of gas quickly if either of these things are not caught
during preflight. A Bing float-valve overflow can begin in flight and
one wouldn’t know unless the fuel gages are reliable. The point is, it’s
possible to use more gas than planned with either of these incidents and
still come up short if you’re not very careful.
My VDO float type fuel gages are accurate from nearly full clear down to
empty and get scanned frequently. Even so, the fuel-cans are weighed
each time I fill up to record the gallons. I’ve also a wood stick marked
in gallons to “verify the tank” before flight with or without filling up.
Better to sweat things early than later.
Larry McFarland
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