Overspeed protection takes place once everything else has failed. The engine con... | Hacker News

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		sbradford26 on Jan 30, 2019 \| parent \| context \| favorite \| on: Boeing 787 Suffers Rare Dual Engine Failure on Lan... Overspeed protection takes place once everything else has failed. The engine controls have already attempted to throttle down and such. If that doesn't work then overspeed kicks in.

metalliqaz on Jan 30, 2019 [–]

Adding on to this... things inside an engine happen FAST. Too much energy can spin up the turbines to the point of failure in milliseconds.

CamperBob2 on Jan 30, 2019 | [–]

Yep, as anyone who has ruined a fan by shooting a canned air duster at it can attest. :(

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