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He invented the first automotive alternator and mass-produced it at Motorola. [2] [4] [8] In the 1950s, Wavering presented a concept car that included an alternator, a 12-volt battery, electronic ignition, and computerized control. [2] [5] In 1964, he was elected president and chief operating officer of Motorola. [5] He later became vice ...
The most successful early outboard motor, [16] was created by Norwegian-American inventor Ole Evinrude in 1909. [18] Historically, a majority of outboards have been two-stroke powerheads fitted with a carburetor due to the design's inherent simplicity, reliability, low cost and light weight.
Marine automobile engines are types of automobile petrol-or diesel engines that have been specifically modified for use in the marine environment. The differences include changes made for the operating in a marine environment, safety, performance, and for regulatory [1] requirements. The act of modifying is called 'marinisation'.
Larger marine diesels may have two or more alternators to cope with the heavy electrical demand of a modern yacht. On single alternator circuits, the power may be split between the engine starting battery and the domestic or house battery (or batteries) by use of a split-charge diode ( battery isolator ) or a voltage-sensitive relay.
The water caterpillar boat propulsion system (Popular Science Monthly, December 1918) An early uncommon means of boat propulsion was the water caterpillar. This moved a series of paddles on chains along the bottom of the boat to propel it over the water and preceded the development of tracked vehicles. [34]
Gray Marine engine preserved at Arromanches-les-Bains, Normandy Esmeralda II, 1947, first power boat through the Grand Canyon. Gray Marine Motor Company was a U.S. manufacturer of marine engines between 1910 and 1967. These ranged from one to six cylinders in both gas and later diesel layouts, which were used in pleasure boats, work boats, and ...
Types of boat shown in an 1808 engraving, including top left, 'a Jolly boat for oars or sail' The jolly boat was a type of ship's boat in use during the 18th and 19th centuries. Used mainly to ferry personnel to and from the ship, or for other small-scale activities, it was, by the 18th century, one of several types of ship's boat.
The acquisition of the catamaran and outrigger boat technology by the non-Austronesian peoples in Sri Lanka and southern India is the result of very early Austronesian contact with the region, including the Maldives and Laccadive Islands. This is estimated to have occurred around 1000 to 600 BC and onwards, and led to the development of India ...