90,000 Gallons of Real Seawater: How James Cameron Really Sank the Titanic Set

aakashgupta · x · 2026-09-05

A viral thread recalls that nothing in Titanic's sinking was green screen: Cameron's team dumped 90,000 gallons of seawater onto the full-size grand staircase, ripping it off its foundations in one take used in the film. Fox built a 17-million-gallon oceanfront tank in Baja with a 775-foot ship replica, tilting it hydraulics-side; interiors flooded for real with hidden dive teams. Kate Winslet chipped a bone, went hypothermic, and nearly drowned. In the gen-AI era, this scale of practical effects looks almost unbelievable.

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