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The helicopter was designated "CH-53A Sea Stallion" and delivery of production helicopters began in 1966. [5] The first CH-53As were powered by two General Electric T64-GE-6 turboshaft engines with 2,850 shp (2,125 kW) and had a maximum gross weight of 46,000 lb (20,865 kg), including 20,000 lb (9,072 kg) in the payload.
The success of Dryden's M2-F1 program led to NASA's development and construction of two heavyweight lifting bodies based on studies at NASA's Ames and Langley research centers—the M2-F2 and the HL-10, both built by the Northrop Corporation. The "M" refers to "manned" and "F" refers to "flight" version.
Originally a Sikorsky Aircraft product, the type certificate and manufacturing rights were purchased from them by Erickson Air-Crane in 1992. Since that time, Erickson Air-Crane has become the manufacturer and world's largest operator of S-64 Aircranes and has made over 1,350 changes to the airframe, instrumentation, and payload capabilities of the helicopter.
That weight exceeded the maximum payload of 9.1 tonnes (20,000 lb) at an altitude of 2,600 metres (8,500 ft) of the U.S. military's Sikorsky CH-53E. [ 4 ] The Mi-26 was located through Skylink Aviation in Toronto , which had connections with a Russian company called Sportsflite that operated three civilian Mi-26 versions called "Heavycopters".
The K-1200 K-MAX "aerial truck" is the world's first helicopter specifically designed, tested, and certified for repetitive external lift operations and vertical reference flight (Kaman received IFR Certification in 1999), an important feature for external load work. Other rotorcraft used for these tasks are adapted from general-purpose ...
Data from International Directiory of Civil Aircraft General characteristics Crew: 2 Capacity: up to 30 passengers Length: 58 ft 11 in (17.96 m) Height: 17 ft 6 in (5.33 m) Empty weight: 12,336 lb (5,596 kg) Gross weight: 16,164 lb (7,332 kg) Max takeoff weight: 19,000 lb (8,618 kg) Powerplant: 2 × General Electric CT58-140 turboshaft engines, 1,500 shp (1,100 kW) each Main rotor diameter: 62 ...
In 2015, the joint project with Russian Helicopters grew to 38.2 t (84,000 lb), with a seven blade main rotor and a 5,700 m (18,700 ft) ceiling. In 2016, Avic took control, leaving Russian Helicopters as a supplier, presumably of the transmission. In 2018, maximum weight grew again to 42 t (93,000 lb). [1]
In August 1947, helicopter manufacturer Kellett sold his design for the giant XH-17 Sky Crane to Hughes, who commissioned the development of the XH-17 Flying Crane research vehicle. In 1948, the XH-17 began to take shape. The giant helicopter was tested in Culver City, California over a three-year period beginning in 1952.