REFLECTOR: Unbalanced fuel flow in flight

[John Abraham]

Richard,

To add to Jerry and Scott, dont rely on your ball in the aircraft to be
correct.  Tape a 6-12" string at the base of the wind screen (outside of
aircraft) and you will be able to determine rigging better.  This will
account for any panel installation errors.  I have experienced 10 gallons
out of one tank before the other has moved.  Try to go for a flight long
enough to burn off half a tank.  Be sure you change directions for circling
too! That will affect feeding if you always make left turns, it will not let
the left side feed as well.

John

On Sun, Mar 13, 2011 at 8:27 AM, Richard J. Gentil <
richard at naples-air-center.com> wrote:

> Friday I completed my second test flight.  I found that all the fuel
> drained from the right side and none from the left while on the one hour
> flight. (I actually cut the flight short due to this.)
>
> When I landed I verified with my fuel stick that all the fuel did co e from
> the right tank.
>
> For troubleshooting:
>
> 1) I removed the line from the left tank to the sump tank and verified that
> fuel did flow freely from the left tank.
>
> 2) Removed the vent line from the left tank and tested the line in the
> direction of the left tank and in the direction to the vent/overflow block
> at the top of my firewall using compressed air.
>
> 3) I checked the check valve for the air for correct operation in both
> directions and verified it was installed in the correct direction for air to
> enter and that fuel would not vent into the cabin.
>
> 4) Verified the overflow line was clear by using compressed air.
>
> I know the picture is hard to follow but this is the fuel system:
>
>
>
>
> Richard
>
> Sent from my iPhone 4
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-- 
John Abraham
CFII
321-543-6243
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