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Thank you again, Perry. It seems pretty
unanimous that I need to vent the sump tank. Not all that difficult, and I will
be able to sleep better. Paul Conner
----- Original Message -----
Sent: Saturday, February 12, 2005 7:51
AM
Subject: [FlyRotary] Vapor Lock
Hi, Perry....One question....Does
your unburned fuel (from the fuel rail) go back into your sump tank
also? Or do you return the unused fuel to one of your fuel
tanks? If I were returning fuel to one of the main tanks, I would think
that venting the sump would be appropriate, but since I am sending fuel undere
pressure back into the sump tank, I am concerned that once the sump tank is
full, the additional fuel pumped back into the sump tank would take the path
of least resistance....out the vent instead of back up the fuel line into the
tank? Thanks for your input. Paul Conner
I have the stock Long-EZ fuel system, lines from the main tank
run forward to the fuel selector valve in the cockpit. The selected main runs
back to the sump tank. I have two Mazda HP pumps inside the sump tank. Fuel
return from the fuel rail is to the sump tank.
Fuel does not go out
the sump tank vent, because the main tanks are vented as well, and the whole
system will tend to seek a common
level.
Perry
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