Category:Torpedo

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Prior to 1912, bubbles from heater torpedoes were calculated to rise at 1.8 feet per second. This was found to be a rough characterisation; British experiments at Portland determined the following times:[1]

  • a depth of 8 feet = 4.5 seconds
  • 12 feet = 6.6 seconds
  • 16 feet = 7.6 seconds
  • 20 feet = 9.6 seconds
  • ↑ Annual Report of the Torpedo School, 1912. p. 24.
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