Help identify this box behind panel

Discussion in 'Avionics and Upgrades' started by Badger, Nov 24, 2017.

  1. Badger

    Badger Pattern Altitude

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    in a 1978 c172l.
    Is this an encoder for transponder?
     

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  2. Timbeck2

    Timbeck2 En-Route

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    looks like one to me.
     
  3. Dan Thomas

    Dan Thomas En-Route

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    Encoder.
     
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  4. simtech

    simtech Pattern Altitude

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    The black box..hahaha
    Yep agreed it looks like an encoder, a rather large one at that.
     
  5. Paulie

    Paulie Line Up and Wait

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    Seems like it's not a good idea for you to be poking around back there.
     
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  6. Let'sgoflying!

    Let'sgoflying! Touchdown! Greaser!

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    While you're in there, why not put some heat shrink over those bare crimp connectors; top right of picture? Is that component just loose, with wires draped over your 'black box'? Maybe it fell down from the rack above?
     
    Last edited: Dec 25, 2017
  7. flyingron

    flyingron Touchdown! Greaser!

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    If I had to venture a guess it's an old Terra blind encoder. Looks like the ones I've seen.
     
  8. NordicDave

    NordicDave Pre-takeoff checklist

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    Here's the new Garmin Altitude Encoder I just put in my plane. Accurate to 20' up to FL300. Really weight shifts the plane's CG! :)
    [​IMG]
    Garmin GAE 12 Altitude Encoder
     
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  9. denverpilot

    denverpilot Taxi to Parking

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    That tie wrap cut off incorrectly needs to be copied over to the OCD thread.

    Kill whoever did that. If possible, cut their throat with the sharp edge of that tie wrap. They need to be removed from the gene pool. :)
     
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  10. GlennAB1

    GlennAB1 Ejection Handle Pulled

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    Someone needs EWIS training.
     
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