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Thread: Why are gyros driven by vacuum and not high pressure air?
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Old 3rd June 2016 | 11:25
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LTCTerry
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Joined: Dec 2011
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From: Augusta, Georgia, USA (back from Germany again)
introducing contaminants

I was taught that anything that "pushes" air would/could introduce its lubricating oil into the instrument, contaminating the gyro's needle/pivots (whatever that part is called!).
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