PPRuNe Forums - View Single Post - Why are gyros driven by vacuum and not high pressure air?
Old 4th June 2016 | 09:33
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Procrastinus
 
Joined: Jul 2015
: CPL
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I always understood the reason to be that if the exhaust from either vacuum or pressure instruments was blocked, then the former would be safe but the latter a potential 'bomb'!
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