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5 Answers

Piper Seminole Combustion Heater

Asked by: 1594 views Aerodynamics, Flight Instructor

in the combustion heater of the seminole has ignitor or spark plug?

on the nose of the plane on the right side there are two holes one is for the intake fo the heater and other one?

how many squat switches we have in the seminole?

5 Answers



  1. Jeff on Jan 23, 2013

    It’s a spark plug. One of the holes is the heater air inlet, the round one is the heater exhaust.

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  2. Jared on Jan 24, 2013

    There is one squat switch on the left main gear.

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  3. Boiler on Jan 24, 2013

    There is one squat switch on the left main

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  4. david tobar on Jan 24, 2013

    Thanks Jeff
    I though Naca duct is the intake where the ram air “cold” enter in the heater around the chamber and warm the air and go to the cabin.
    The other hole round one on the right of the nose, I though that: air entering from outside to the combustion heater is mixed with fuel.

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  5. david tobar on Jan 31, 2013

    make sure guys check in the plane because in the poh says there is one squat switch BUT if u check under the plane there are 2 one in each side, in the maintenance manual says one as well

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