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1952–1959. Developed from. HRP Rescuer. The Piasecki H-21 Workhorse/Shawnee is an American helicopter, the fourth of a line of tandem rotor helicopters designed and built by Piasecki Helicopter (later Boeing Vertol ). Commonly called "the flying banana", it was a multi-mission helicopter, capable of being fitted with wheels, skis or floats.
Final assembly of a Sikorsky CH-53 Sea Stallion helicopter in 1964.. Helicopter manufacturers belong to the broader category of aerospace manufacturers.It is useful to think of helicopter manufacturers as falling into two categories, those that can design, certify and manufacture new helicopter designs from scratch and those that can only manufacture extant designs under license.
S. Schweizer Aircraft. Scott's – Bell 47. Sikorsky Aircraft. Skyworks Aeronautics. Categories: Aircraft manufacturers of the United States. Helicopter manufacturers by country.
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Introduction. 2004. Number built. 37+. Developed from. Mosquito Air. The Mosquito Aviation XE is a single seat homebuilt helicopter . By 2015 Mosquito Aviation was out of business and the design was being produced by Innovator Technologies of Rockyview, Alberta, Canada. [1] By 2019 the design was being produced by Composite FX of Trenton, Florida.
The "aerial screw" was one of several aerial machines drawn by Leonardo, including an early parachute, an ornithopter and a hang glider . The pen-and-ink sketch outlines an idea for a flying machine similar to a modern helicopter, with a spiral rotor or "aerial screw" based on a water screw, but intended to push against the fluid of the air ...
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