ORIGINAL: denifermana
I have an o.s. 46ax invert-mounted in a new banchee. I am having problems with flooding at an idle, and cannot adjust the carb to take care of this problem. The tank does sit higher than the carb and due to the construction of the plane I cannot lower the tank, nor can I change the engine orientation. The engine worked fine in a different plane mounted carb up. Any help is appreciated.
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Buy a third party regulator by Cline or Iron Bay. You will then pressurize the fuel tank with either crankcase pressure or muffler pressure while inserting a one way valve (check valve) in the pressure line. The latter retains the pressure in the fuel tank. Or you could use a Varsane/Perry pump/regulator to accomplish the same thing. Otherwise, you are just plain out of luck, if you can't mount the fuel tank at the proper location in relation to the carb spray bar.