Ira, I too have the cartridge filters and the Andair unit with 914 and have
had no problems in approx 150 hrs.
Jerry
----- Original Message -----
From: <irampil@notes.cc.sunysb.edu>
Subject: Europa-List: Fuel system Tidbits
>
> Greetings All,
>
> My test flight program has been decelerated by engine fuel starvation at
> high throttle (MP > 25) and moderate
> positive pitch conditions (>15 degrees)
>
> The fix is modestly instructive and so I note it here for new builders.
>
> The fuel system I build had both the Europa Factory cartridge filters plus
> an Andair minigascolator (mostly
> to remove condensed water). It turns out that the combined flow resistance
> was excessive, both reducing
> net flow and creating sufficient negative pressure upstream of the
> electric boost pump to entrain air.
>
> I could not find any hydrodynamic data on either device. Andair did not
> respond to requests for info.
>
> Solution: remove the gascolator through test phase, then swap back the
> gascolator for routine flight
> with a cleaned out tank.
>
> Also, if I had it to do again, I would trash the supplied fuel hose which
> has a strong propensity to kink
> when curved.
>
> Another caveat which has been mentioned here: Don't buy your instruments
> until you are nearly
> ready to use them. I had a UMA altimeter with a leaky diaphragm and a DOA
> Westach Tach/Hobbs.
> Two years after purchase is not the best time to first try them out!
>
>
> Ira N224XS (about 8 hr on the clock)
> Trigear XS/912S/Airmaster Prop/EFIS One
>
>
|