In-Situ Crankpin Machining On Board a Supertanker
(Crankpin 910mm diameter Type B&W 7580)

Machining a 910mm diameter B&W 7580 Crankpin aboard a supertanker.

This in-situ machining repair saved the owner over £250,000 and avoided several months delay.

The alternative option was removing the crankshaft from the engine room for grinding between centres.