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Posted for "Ed Anderson" <eanderson@carolina.rr.com>:
Hi Rusty,
Yes, I take off and land with both EFI pumps running as well as my low
pressure boost pump. I turn off the backup EFI pump and boost pump after
take off during cruise climb. I've never had a pump failure, but having one
during take off is one incident I wish to avoid and is the reason I have all
pumps a humping and pumping during take off or landing.
The only thing noticable that happens when I turn on the backup EFI pump
is my fuel pressure increases around 2 psi above the single pump pressure,
goes from around 43 psi to 45 psi. I presume the pressure regulator
by-passes more fuel to keep the pressure down.
Ed
close to idle. I'm assuming that most folks use the 2nd pump like you do
with the electric pump on a Lycoming. In other words, do you turn both
pumps on for takeoff and landing?
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