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Thread: 1930s hangar door mechanism - GIF

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    Supporting Member Altair's Avatar
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    Last edited by Jon; Jun 2, 2022 at 03:51 PM.

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    Supporting Member Toolmaker51's Avatar
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    1930's era, so there is decent longevity. Is it ok for regions like here, Tornado Alley and less than predictable prevailing wind?

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    Supporting Member schuylergrace's Avatar
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    It reminds me of some of the retractable landing gear mechanisms. I wonder if one might have taken lessons from the other.



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