Originally Posted by
JDNSW
And, few today remember that the Orion is a development of the Lockheed L-188 Electra. And what does Wikipedia have to say about the Electra?
" Initial sales were good, but after two fatal crashes that led to expensive modifications to fix a design defect, no more were ordered."
They had an unfortunate "whirl mode resonance" that led to the wings falling off.
Extensive airframe modifications led to their being quite successful, but not in their primary market in the US. However, with communications nowhere as good as today, the Australian travelling public had not heard of the crashes, and the Electra was used extensively by Australian and New Zealand's international and domestic airlines (Qantas, TAA, Ansett, TEAL etc), giving good service until replaced by jets from about 1970.
Given both the Comet/Nimrod and Electra/Orion history, the future of the 737MAX seems quite clear!