31 Mar '18, 1pm

One of a kind: CL-475's radical rotor design revolutionized Army Aviation

One of a kind: CL-475's radical rotor design revolutionized Army Aviation

FORT RUCKER, Ala. -- Before turbine engines took over the world of rotor-wing Aviation, a proof-of-concept system revolutionized helicopter flight with a radical new rotor design. The Lockheed CL-475 is as rare an aircraft as they come and it sits in the U.S. Army Aviation Museum. As the only one in the world, the aircraft was a proof of concept that was never designed to go into production, according to Bob Mitchell, U.S. Army Aviation Museum curator. The CL-475 was Lockheed's first venture into the realm of rotor-wing Aviation and, as a result, the aircraft had the appearance of an airplane without wings. But despite its unusual design, the technology it provided worked surprisingly well, said Mitchell. "Back in the late 1950s, Lockheed was looking at the current helicopter designs … and one thing the company noted was that the rotor technologies of the time afforded a v...

Full article: https://www.army.mil/article/200953/one_of_a_kind_cl_475s...

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