The USS Tigerfish (a fictional nuclear attack submarine, hull number SS 506) was portrayed by the USS Ronquil (SS-396), a diesel electric boat. However, the Tigerfish was supposed to be based on the same class boat as the USS Nautilus SSN-571, the first nuclear submarine ever commissioned.
During the torpedo room flooding incident, the boat sank to a depth of over 1200ft before managing to pump enough water back out to resurface. The USS Ronquil's official test depth is listed at 400 ft., which by US Navy standards was 2/3 of her calculated collapse (or crush) depth, being 600ft. The greatest depth achieved, reported by the crew of the USS Nautilus, was 700+ feet. Assuming that this was 100 ft. deeper than the Nautilus' test depth of 600 ft., means that her collapse depth should have been around 900 ft. and the boat should have been crushed like a tin can somewhere around the 1000 foot mark. The pressure on the hull at 1000 ft is approximately 433PSI, whilst the pressure at the quoted 1230 ft depth would have been 533PSI. The strain on the hull and bulkheads at that pressure should have caused buckling and popped rivets all over the ship, yet not one squeal is heard from the ship beyond the noise of the water flooding the torpedo room and the hatches being closed.
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05/03/2025 alle ore 09:35
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