Carl Loera Posted May 2, 2023 Report Posted May 2, 2023 Hello, Can anyone please explain how the squat switch/airspeed switch works in this Mooney? What the airspeeds necessary for activating/deactivating this switch. Thanks!! Quote
Fly Boomer Posted May 2, 2023 Report Posted May 2, 2023 55 minutes ago, M20Doc said: From the MM One atmosphere is 406 inches of water, so that's not much. How do you test the setting on that device? Quote
carusoam Posted May 3, 2023 Report Posted May 3, 2023 6 hours ago, Fly Boomer said: One atmosphere is 406 inches of water, so that's not much. How do you test the setting on that device? Something got lost… 2.8 +/- 0.4 inches of water… Rubber hose on the pitot, roll the hose to squeeze the volume… Air pressure rises in the pitot system, pressure is read using KIAS… Air speed switch should operate as the KIAS exceed flying speed… This is typical method of testing the airspeed related issues… without damaging the sensitive equipment… PP thoughts only, not an avionics guru… Best regards, -a- Quote
carusoam Posted May 3, 2023 Report Posted May 3, 2023 Welcome aboard Carl! Let us know if we answered your question, or if you have more… like what does it look like, and where can I find it… Large gold disk, hiding behind the instrument panel… not seen very often. They go decades with out being touched… It also has two sets of contacts, in case one breaks… PP thoughts only, not a mechanic… Best regards, -a- Quote
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