An interesting case involving a single acting two stroke crosshead engine on which the torsional vibration damper slipped on the crankshaft after shearing off all coupling bolts.
View the embedded image gallery online at:
https://levmar.gr/news/22-main-engine-damage-due-to-tortional-vibration#sigProId539fdc351b
https://levmar.gr/news/22-main-engine-damage-due-to-tortional-vibration#sigProId539fdc351b