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Turtle Submersible 3D Models Cybertenko
Submarine Turtle was a develop in 1775 by the american inventor and patriot David Bushnell as combat ready submersible vehicle intended to sink british ships in the harbour. This one-man submarine was was driven by a pedal device connected to a propeller. There was also a vertical propeller powered by a hand crank. Submerging and emerging was controlled by filling water into the ballast tanks at the bottom of the submarine and its subsequent depletion by a pair of manual pumps. Combat device...
