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2. Melvin Price Locks and Dam - Wikipedia

   en.wikipedia.org/wiki/Melvin_Price_Locks_and_Dam

   The main lock is 1,200 feet (370 m) long and 110 feet (34 m) wide; the auxiliary is 600 feet (180 m) long and 110 feet (34 m) wide. The main lock has a vertical lift gate and a miter gate while the aux. lock has two miter gates. The dam is 1,160 feet (350 m) long with 9 tainter gates, each 110 feet (34 m) wide by 42 feet (13 m) high.

3. Wastegate - Wikipedia

   en.wikipedia.org/wiki/Wastegate

   Wastegate. A wastegate is a valve that controls the flow of exhaust gases to the turbine wheel in a turbocharged engine system. [1] Diversion of exhaust gases regulates the turbine speed, which in turn regulates the rotating speed of the compressor. The primary function of the wastegate is to regulate the maximum boost pressure in turbocharger ...

4. Panama Canal locks - Wikipedia

   en.wikipedia.org/wiki/Panama_Canal_locks

   The Panama Canal locks (Spanish: Esclusas del Canal de Panamá) are a lock system that lifts ships up 85 feet (26 metres) to the main elevation of the Panama Canal and down again. The original canal had a total of six steps (three up, three down) for a ship's passage. The total length of the lock structures, including the approach walls, is ...

5. Rowlock - Wikipedia

   en.wikipedia.org/wiki/Rowlock

   A rowlock[1] (UK: / ˈrɒlək /), sometimes spur (due to the similarity in shape and size), oarlock (American English) [2] or gate, is a brace that attaches an oar to a boat. When a boat is rowed, the rowlock acts as a fulcrum for the oar. [3] On ordinary rowing craft, the rowlocks are attached to the gunwales. In the sport of rowing, the ...

6. Rack and pinion - Wikipedia

   en.wikipedia.org/wiki/Rack_and_pinion

   Rack and pinion. A rack and pinion is a type of linear actuator that comprises a circular gear (the pinion) engaging a linear gear (the rack). [1] Together, they convert between rotational motion and linear motion: rotating the pinion causes the rack to be driven in a line. Conversely, moving the rack linearly will cause the pinion to rotate.

7. Bingley Five Rise Locks - Wikipedia

   en.wikipedia.org/wiki/Bingley_Five_Rise_Locks

   The five-rise is the steepest flight of locks in the UK, with a gradient of about 1:5 (a rise of 59 ft 2 in (18.03 m) over a distance of 320 ft (98 m)). The intermediate and bottom gates are the tallest in the country. Because of the complications of working a staircase lock and because so many boaters (both first-time hirers and new owners ...