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Sky crane is a soft landing system used in the last part of the entry, descent and landing (EDL) sequence developed by NASA Jet Propulsion Laboratory for its two largest Mars rovers, Curiosity and Perseverance. While previous rovers used airbags for landing, both Curiosity and Perseverance were too heavy to be landed this way. Instead, a ...
Sky crane or skycrane may refer to: A type of aerial crane helicopter pioneered by Sikorsky in 1950s and 1960s where the fuselage is only large enough to accommodate the pilot and crew and does not have a cargo hold or passenger area.
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.
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Aerospike engine – is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes. It belongs to the class of altitude compensating nozzle engines. A vehicle with an aerospike engine uses 25–30% less fuel at low altitudes, where most missions have the greatest need for thrust .
Erickson Incorporated is an American aerospace manufacturing and aviation service provider based in Portland, Oregon, United States. [1] Founded in 1971, it is known for producing and operating the S-64 Aircrane helicopter, which is used in aerial firefighting and other heavy-lift operations.
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JLG electric-powered and engine-powered aerial work platforms are designed for a variety of job sites, such as steel mills and chemical plants, airports, convention centers, shipyards and heavy construction. There are models with lift heights ranging from 30 feet to 185 feet, the world's tallest self-propelled aerial work platform.