A mechanical failure forces them to go diving to the wrecked German sub for a replacement part. Subs like this have two complete diesel-motor-generator sets, and two complete electric-motor-propeller sets. No single component failure would immobilize both. Separately, the failed/replacement part is described as the "crankshaft" and indeed the film shows them bringing one underwater, fitting it, and then a crankshaft spinning away. But a crankshaft is an internal part of an engine, connected to pistons via con-rods, and that's exactly what they show. But it's not connected to anything of the sort. This makes no sense, but is I guess a cheap technical effect. Perhaps they wanted to represent a thrust bearing; those rub and wear and spark if they get dry. Even so, there's one each side, for each propeller and its shaft; no single point of failure.
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05/03/2025 alle ore 07:40
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