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Thread: Saw a magnetic compass spin for an hour.

  1. #21
    Member Float Pilot's Avatar
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    Could be... Just as good a theory as anything.
    Floatplane,Tailwheel and Firearms Instructor- Dragonfly Aero
    Experimental Hand-Loader, NRA Life Member
    http://site.dragonflyaero.com

  2. #22
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    Jun 2011
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    Tennessee
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    Quote Originally Posted by Float Pilot View Post
    It is mounted up on the windshield. No wires going to it. Not even for lighting. I posted a photo in here someplace or another. Not my plane..
    I'll be very surprised to learn that the unit for which you sent that photo doesn't include the gyro and gears I've mentioned. It's certainly deep enough . . .

  3. #23

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    If it did have the gyro and gears as you presume. looking at the picture provided, there is no power or vacuum to the unit, so how do you think it spun in its own for so long?

    Quote Originally Posted by Grizzly 2 View Post
    I'll be very surprised to learn that the unit for which you sent that photo doesn't include the gyro and gears I've mentioned. It's certainly deep enough . . .

  4. #24

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    No mention of a gyro in the PAI 700

    http://www.aircraftspruce.com/catalo...d_compass3.php



    Quote Originally Posted by Grizzly 2 View Post
    I'm sure the PAI 700 has the gyro, gimbel, and gears I mentioned . . .

  5. #25
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    Jul 2008
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    anchorage
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    Capacitive in plane magnet with "shaft, gears, jewels" connecting to the display. Change the mass balance.

    Quick, find a 12 year old with screwdriver.. or a 22 target pistol

    https://www.cumulus-soaring.com/prec...tin_IC-102.pdf

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