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2. Parbuckle salvage - Wikipedia

   en.wikipedia.org/wiki/Parbuckle_salvage

   Parbuckle salvage. The capsized battleship USS Oklahoma is rotated upright while under salvage at Pearl Harbor, Hawaii, 8 March 1943. The ship is in the 130-degree position, with its bow on the left and the starboard deck edge just rising from the water. Parbuckle salvage, or parbuckling, is the righting of a sunken vessel using rotational ...

3. Tesla's toy boat: A drone before its time - Engadget

   www.engadget.com/2014-01-19-nikola-teslas-remote...

   Nikola Tesla's Remote Control Boat. Tesla once said, "The world moves slowly, and new truths are difficult to see." It was his way of responding to the crowd's stunned disbelief upon viewing his ...

4. Puretic power block - Wikipedia

   en.wikipedia.org/wiki/Puretic_power_block

   A Puretic power block can be seen at the top of the boom at the stern. The Puretic power block is a special kind of mechanised winch used to haul nets on fishing vessels. The power block is a large pulley of aluminium with a hard rubber-coated sheave. While many men were needed for the back-breaking work of hauling a purse seine manually, the ...

5. AN/SLQ-25 Nixie - Wikipedia

   en.wikipedia.org/wiki/AN/SLQ-25_Nixie

   The AN/SLQ-25A utilises a fiber optic tow cable (FOTC) and a 10-horsepower (7.5 kW) RL-272C double drum winch. Several engineering changes resulted in commercial off-the-shelf (COTS) equipment being utilised extensively in the system. A diagnostic program can be initiated locally or from the remote control station, and tests all electronic ...

6. Navier's 30-foot hydrofoiling electric boat hits the water ...

   techcrunch.com/2022/12/07/naviers-30-foot-hydro...

   Now it’s a real 30-foot boat actually plowing through the waves at 25 knots. The craft is fully electric and uses hydrofoiling to get around the fact that batteries, while fine for wheeled ...

7. Winch - Wikipedia

   en.wikipedia.org/wiki/Winch

   The winch is made of cable made up of a braided synthetic rope, or a steel cable wrapped around a motorized drum. Each is controlled electronically, allowing the operator to control the winch speed. [5] Modern vehicles typically use electric winches running off the car's 12V starter or 24V secondary battery. The winch is either controlled with ...