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Thanks for the
info. Where are your pumps located? Mine are on the floor just past
the Andair valve. Dual filters are on the firewall.
My pumps are under the back seats
(Cozy IV) in compartments sealed off from the cockpit, but with a drain to
the gear well. The filters are in the gear well. I have no fuel valve,
just emergency shut off ball valves - push-pull cables from the armrest
pockets. The return is switched by a solenoid on the firewall. The advantage of
this system is total redundancy and very short fuel lines. It's only 8 inches
(downhill) from the tank to the pump, and the return is also very short. The
downside is pilot workload / monitoring that the return is going to the correct
tank. I may solve this by adding a facet transfer pump a la Tracy and running
off one tank during normal operations.
John
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