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In 1945, Rockwell Manufacturing Company acquired Delta Machinery and renamed it the Delta Power Tool Division of Rockwell Manufacturing Company and continued to manufacture in Milwaukee. In 1966, Rockwell invented the world's first power miter saw. In 1981, Rockwell's power tool group was acquired by Pentair and re-branded Delta Machinery.
The second stage of Delta II was the Delta-K, powered by a restartable (up to six restarts) Aerojet AJ10-118K engine burning hypergolic Aerozine-50 and N 2 O 4. These propellants are highly toxic and corrosive, and once loaded the launch had to occur within approximately 37 days or the stage would have to be refurbished or replaced. [ 29 ]
The Delta 2 soundly demonstrated its favourable high-speed performance qualities during flight testing; rapidly proving to be faster than any other British-built aircraft in existence of that time. [5] On 10 March 1956, the Fairey Delta 2 broke the world airspeed record, raising it to 984 knots (1,132 mph; 1,811 km/h; Mach 1.73).
Delta II A Delta II launch vehicle launches from Cape Canaveral carrying the Dawn spacecraft. Function Launch vehicle Manufacturer United Launch Alliance Country of origin United States Cost per launch US$51 million in 1987 (7920-10 model) US$137 million in 2018 before retirement Size Height 38.9 m (128 ft) Diameter 2.44 m (8 ft 0 in) Mass 152,000–286,000 kg (335,000–631,000 lb) Stages 2 ...
The poles can be varied at a ratio of 1:2 and thus the speed can be varied at 2:1. [7] [8] [9] Normally, the electrical configuration of windings is varied from a delta connection (Δ) to a double star connection (YY) configuration in order to change the speed of the motor for constant torque applications, such as the hoists in cranes.
In Kosovo, a state-owned energy company plans to destroy a village to make way for expanded coal mining as the government and the World Bank plan for a proposed coal-burning power plant. The government has already forced roughly 1,000 residents from their homes. Many former residents claim officials violated World Bank policy requiring borrowers to restore their living conditions at equal or ...