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The Pratt & Whitney T73 (company designation JFTD12) is a turboshaft engine. [2] Based on the JT12A, the T73 powered the Sikorsky CH-54 Tarhe and its civil counterpart Sikorsky S-64 Skycrane flying crane heavy-lift helicopters. [3]
The J60 conception and project design began in July 1957 at United Aircraft of Canada (now Pratt & Whitney Canada) in Montreal.The project design details were transferred to the main P&W company in East Hartford and in May 1958, the first prototype, with military designation YJ60-P-1 commenced testing.
In July 1955 the first steamer vessel passed through the lower locks. The main stream of the Volga was shut off in November of that year, and the first turbine was put under load on 29 December 1955. In less than a year, by October 1956, 1000 gigawatthours of electric energy was produced. In 1956, 12 turbines were put under load and the next 7 ...
Aircraft warning lights at the Mannheim telecommunications tower, in the background the bright torchlight of a steam cracker, in the distance warning lights from wind turbines Structure using a white strobe Structure using a Red/White Strobe Closeup of an aircraft warning light on top of a highrise in Changzhou, China Structure using high-intensity white lights and a medium-intensity white strobe
South Fork Wind Farm is a utility-scale offshore wind farm on the Outer Continental Shelf Offshore Rhode Island, providing energy to New York state. [5]The 130 MW, 12-turbine wind is 16.6 nautical miles (30.7 km; 19.1 mi) southeast of Rhode Island's Block Island and 26 nautical miles (48 km; 30 mi) east of Montauk Point on the South Fork of New York's Long Island.
The ventilation system of a regular earthship Dogtrot houses are designed to maximise natural ventilation. A roof turbine ventilator, colloquially known as a 'Whirly Bird' is an application of wind driven ventilation. Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systems.
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