I'm with Al on this one. Don't ask a fuel pump to suck through any
significant restriction. Yes, the Facet can be blown through fairly easily
and it will work OK (sucking through it) 99% of the time and there are planes
flying that way now. But it is one strike against you and we don't know
how many strikes count you out in this stuff.
Since several newcomers have not heard my sermon before, there are
other ways to get around the problem of returning fuel to 2 or more
fuel tanks (which is the main reason cited for using a header/sump
tank). I always draw and return fuel to the left tank. No fuel
valves at all. I pump fuel from the right tank to the left using a Facet
pump which 'T's into the return line on left tank.
Tracy (still hate header/sump tanks)
Hi, Wendell....there is only one Facet pump. They
are a free-flow design. You can blow through them quite easily. I
seriously doubt the Facet pump was involved in this crime. Paul
Conner
----- Original Message -----
Sent: Saturday, February 12, 2005 1:12
PM
Subject: [FlyRotary] Re: Vapor lock in
sump/header tank.
Subject: [FlyRotary] Re: Vapor lock
in sump/header tank.
Then the fuel comes out of the fuel selector
valve , downhill (through a facet low pressure boost pump that I have yet
to use) to the top of the surge tank.
How are the Facet pumps
connected? Could they have restricted flow enough to cause a bubble in the
sump tank and stop flow into it?
Wendell
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