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I have read numerous articles regarding the failure of instrument vacuum pumps on GA aircraft and the danger that it puts the aircraft. Especially on single engine aircraft.
It is a rare occurrence but when it does happen in a S/E AC, it is usually fatal.
My question: Why not a vacuum venturi on the underside of the aircraft in-line with the cooling air outlets to prevent icing?
I know that the venturi would not, of course, work on the ground. But with no moving parts would be totally reliable and it would, with suitable warning lights, give the pilot time and options.
Experience can lead to complacent behavior.
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