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Comment by t0mas88

1 day ago

Aviation is full of those design choices. Similar to how a multi-engine propeller plane will use oil pressure to keep the props in the flying angle, which means that when oil pressure is lost (catastrophic engine failure) it will feather giving the other engine the best chances of keeping the plane flying with the least amount of drag. While on a single-engine plane it's installed exactly opposite, in case of oil pressure loss the prop goes to fine pitch giving you the best hope of creating some trust in case the engine may still be working.

Most of these things were figured out over 100 years of carefully analysing accidents and near accidents to continuously improve safety.