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On 6/14/05 9:13 AM, "Joseph M Berki" <Joseph.M.Berki@grc.nasa.gov> wrote:
If you use the electric fuel pumps like Tracy is using what does the inlet
side look like (plumbing)? Does the pump have any suction on the
inlet? Should it be purely gravity fed? Can the inlet be fed from a tube
that goes into a tank close to the bottom 1.5" but is bent down in a 90
degree bend? The sump is lower than the tanks and the pumps would be at the
level of the bottom of the sump. My concern is how much of a "hump" in the
plumbing will the pump tolerate? Thanks for any help.
Joe Berki
Limo EZ
Joe, in my system I avoided "humps". Everything after the sumps is below
sump level, so the pump inlets always see some pressure. In flight this
pressure is increased somewhat by the air pressure on top of the tank
created by the vents. I use 3/8" aluminum tubing up-to the large canister
filter and 6-port selector valve.
I don't understand why you need extra sump tank in a Cozy?
Bulent
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