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No metal near compass calibration but....

Discussion in 'General Discussion' started by Neon Euc, Oct 12, 2016.

  1. Neon Euc

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    So it's been said time and time again that you shouldn't do a calibration near any metal objects as it can muck up the compass. But what about when you have a metal gimble protector ? [​IMG]

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  2. Sagebrush

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    It's aluminum. Non-magnetic.

    SB
     
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  3. Neon Euc

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    Sweet. Thanks for that. I didn't realise. Feel free to close the thread

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  4. N017RW

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    There is a lot of misunderstanding about compass calibration.

    It's actually a compensation for the distortion created by ferromagnetic materials on-board (hard & soft Iron distortion) the aircraft in conjunction with the local magnetic field declination/variation.

    All materials rotated WITH the aircraft during this process are compensated for. This is why it is important to re-compensate after adding, removing, or relocating any equipment on the aircraft.

    In this case there is likely no issue as pointed out due to the material being aluminum.
    But other items like GPS locators, lights, etc. can have an effect on the on-board distortion created by such items.
     
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