Diving plane
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Diving planes, also known as hydroplanes, are control surfaces found on a submarine which allow the vessel to pitch its bow and stern up or down to assist in the process of submerging or surfacing the
The port bow plane of the Soviet-era submarine B-39
US Balao-class USS Bowfin of World War II, showing bow planes rigged upwards for stowage
Stern planes of HMS Ocelot mounted directly in the prop wake, with fixed planes above.
HSwMS Gotland from above, showing fairwater planes mounted on the sail
Submarine
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A submarine is a watercraft capable of independent operation underwater. The term "submarine" is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to
Diving plane
…Diving planes, also known as hydroplanes, are control surfaces found on a submarine which allow the vessel to pitch its bow and stern up or down to assist in the process of submerging or surfacing the boat, as well as controlling depth…
US Virginia-class submarine underway in Groton, Connecticut, July 2004
Russian Akula-class submarine of the Northern Fleet, in 2008
An early submersible craft, built by Cornelis Drebbel, propelled by oars
Cutaway replica of Bushnell's "Turtle" at the Submarine Force Library and Museum, Groton, Connecticut