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Old 09-09-2022, 12:35 PM
BrianMatice BrianMatice is offline
Join Date: Feb 2016
Location: Riverview Florida
Posts: 11
Default Capacitive Fuel Sender Calibration - RV-7A

Afternoon everyone.

Does anyone remember the capacitive plates? You know, the ones that Van's doesn't sell anymore So here is my issue. Bought a set of second hand wings, the tanks were completed some time ago with the capacitive senders. I am attempting to calibrate the fuel gages (Dynon HDX) however I am now realizing that with the wing dihedral the fuel doesn't even touch the outboard plate until there is about 5 gallons and doesn't seem to read anything meaningful until about 8. The HDX reads about 0.1v difference between each of the 4, 6 and 8 gallon marks. Each time the HDX says "there was no change, are you sure fuel was added."

Anyway, is this normal/acceptable to anyone that the fuel gage stops at 5 gallons remaining? Is anyone happy with these senders? Should I order the float type today and be done with it?
Brian Matice
Building RV-7A
Riverview Florida
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