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The USS PAMPANITO Amateur Radio Club brings the radio room to life on the 2nd and 4th Saturdays of each month using the callsign NJ6VT – NJVT was the boat's call sign during WWII. Ham radio operators may contact the boat on 7.260 and 14.260 MHz using voice, and on other frequencies using Morse Code.
World War II USS Pampanito (SS-383) 38 8-1/8 diesel engines. From the Muskegon, Michigan, Silversides Submarine Museum. USS Silversides (SS-236). Fairbanks Morse & Co. 38 8-1/8 diesel engine. Historically, the opposed-piston engine was used in U.S. diesel-electric submarines of World War II and the 1950s. [5]
Submarine escape trunk View inside a submarine escape trunk, looking up from below the lower hatch. An escape trunk is a small compartment on a submarine which provides a means for crew to escape from a downed submarine; it operates on a principle similar to an airlock, in that it allows the transfer of persons or objects between two areas of different pressure.
Scheme of USS Pampanito (SS-383). The Balaos were similar to the Gatos, except they were modified to increase test depth from 300 ft (90 m) to 400 ft (120 m).In late 1941, two of the Navy's leading submarine designers, Captain Andrew McKee and Commander Armand Morgan, met to explore increasing diving depth in a redesigned Gato.
On the morning of 12 September 1944, the convoy was attacked in the Luzon Strait by a wolfpack consisting of three US submarines: USS Growler, USS Pampanito and USS Sealion. Rakuyō Maru was torpedoed by Sealion and sunk towards the evening. The Kachidoki Maru was also sunk with 488 people killed, mostly POWs.
The vibrating lever, or half-trunk engine, was a development of the conventional trunk engine conceived by Swedish-American engineer John Ericsson. Ericsson needed a small, low-profile engine like the trunk engine to power the U.S. Federal government's monitors , a type of warship developed during the American Civil War that had very little ...
Maine and Texas were part of the "New Navy" program of the 1880s. Texas and BB-1 to BB-4 were authorized as "coast defense battleships", but Maine was ordered as an armored cruiser and was only re-rated as a "second class battleship" when she turned out too slow to be a cruiser.