REFLECTOR: Good Friday Landing

[Al Gietzen]

Randy,

    Thanks for the explanation.  I thought there must be a difference.
Doesn't this mean that all FG models could have the fuel starvation problem
that Dave experienced?  Obviously nobody is since we haven't heard of this
before (or have we?).  It doesn't make sense that moving the fuel pumps is
going to solve Dave's problem since all FG models have the elec fuel pump
equal to or higher than the sump tank and the mech fuel pump is always
higher.  Has anybody besides Dave (and Sid on Starduster) experienced fuel
starvation do to the location of fuel pumps?

 

Bruce Topp

 

Bruce;

 

The pump doesn't need to be below the bottom of the sump tank; anywhere near
the bottom is fine.  You just want it to be at least a few inches below the
level of the fuel; which will always be at least at the top of the sump,
unless you are about to run out of gas, or something else is wrong. It is
not as much an issue with avgas as it is formulated with a higher minimum
vapor pressure that auto fuel.

 

Al

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