donaho1(at)verizon.net
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 Posted: Wed Jan 13, 2010 2:42 pm Post subject: Fuel pumps in series |
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Hi All, This is how I know both pumps are working on my FSII. I flip on the
facet while the engine is NOT running. I can hear the pump running and
watch fuel fill the fuel lines running to the carbs, thus verifying that
pump. Then I shut the facet off and start the engine for my warm up this
verifies the diaphragm pump is working. Before I take the active runway I
flip the facet back on for take off and climb out. When I reach my cruising
altitude I flip the facet off again. When I`m ready to land I flip the
facet back on until I shut down the engine at my trailer. In the past I
would let the facet run during the entire flight but my flight instructor
didn`t like that. He felt that if either pump failed in flight, I wouldn`t
be aware of it. I know there are two schools of thought about turning the
facet on and leaving it on and turning it off after climb out. All I can
say is I trust my instructors opinion and do what he advises. Anyway this
procedure works for me. Lanny N398LF
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