REFLECTOR: Uneven fuel draw
Jim Sower
canarder at frontiernet.net
Thu Oct 28 23:42:53 CDT 2004
I'm pretty sure I tried EVERYTHING (perhaps short of installing 1/2"
lines from strake to sump). Finally, I got some electric selector
valves and capped off all but two of the nipples. I am now able to
DE-select the tank that's transferring too much and force the engine to
draw from the underachiever and I LOVE it (valves come at you with a
connector pin that will light a LED on the panel when a tank is
deselected)..
I did the math and discovered that the gravity feed head pressure from
strake to sump is typically around 1/4 psi. You could lose half of that
ANYWHERE and never know where it went, but be looking at assymmetric
transfer. My selector valves came from JCWhitney.
PVTPIL8 at aol.com wrote:
> I am having a very uneven fuel draw in my XL. My right tank draws
> substantially faster than my left. I understand others have had this
> problem. I can transfer fuel with pumps. I would like to know if
> anyone has been able to do something to get the fuel to draw more evenly?
> Steve
> XL-RG
> N787SB
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