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Rationale behind vacuum instruments
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April 9th 07, 04:40 PM posted to rec.aviation.piloting,rec.aviation.student
Snowbird
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Rationale behind vacuum instruments
"Mxsmanic" wrote ...
Can someone tell me why vacuum power is popular for certain instruments?
Historical. Aircraft electrics tended to be a) more unreliable than today
and b) add unnecessary weight.
Snowbird
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