Questions tagged [lockheed-l188-electra]

A four-engine turboprop airliner produced by Lockheed from 1957 until 1961, renowned for its extremely high takeoff and landing performance.

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Why was the Electra uniquely vulnerable to whirl-mode flutter?

The Lockheed L-188 Electra, notoriously, suffered from early problems with whirl-mode flutter, which caused two Electras to break apart in flight in 1959 and 1960, forcing an expensive redesign of the ...
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What kind of low pressure causes abnormal RPM variations?

I was wondering what kind of low pressure indication causes abnormal variations in the RPM of a Lockheed L188 Electra. I was told one of the engines was presenting low pressure readings at certain ...