Porterfield Airplane Club

Keep the Skinny Birds Flying Safely

Fitting the Slick K4334 conversion kit, I had to add a small blister in the top coul to make clearance for number 4 spark plug.

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That looks good, Steve! I wish Slick made a mag for the Franklin 90, with my unshielded Eisemann mags, I sound like a cross between Kathryn Hepburn and Henry Kissinger on the radio. While parked in the hangar, do you put a clothespin on your gas gauge to keep the cork up out of the gas?

I don’t put a clothespin on my gas gauge Andy. Should I? The thing seems unreliable and sticky.

Andy Gelston said:

That looks good, Steve! I wish Slick made a mag for the Franklin 90, with my unshielded Eisemann mags, I sound like a cross between Kathryn Hepburn and Henry Kissinger on the radio. While parked in the hangar, do you put a clothespin on your gas gauge to keep the cork up out of the gas?
Welcome to flying behind a Porterfield gas gauge! You can make a new one with 1/16” welding rod and two or three wine corks with a diameter that will just slide through the opening in the top of the tank. You’ll want to seal the cork with thinned epoxy first. To calibrate it, empty the tank, install the gauge, and, with the cork resting on the tank bottom, bend over the weld rod 90* and cut off the excess, so about 3/8” of leg remains. You can try painting the rod to calibrate for quantity, just raise the tail to level the fuselage first.

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