Tag "Sikorsky"
The Army’s famed “pinwheel” is now on the market for civilians! (Jun, 1946)

The Army’s famed “pinwheel” is now on the market for civilians!

I’VE just been sitting in part of the future of aviation. It was unusually comfortable, had plenty of leg room, nice color harmony, good visibility and was equipped with such homey touches as ash trays and grey carpeting.

This is a quickie description of the first commercial 4-place helicopter, the Sikorsky S-51. I was given a preview of it at the plant in Bridgeport, Conn., the home of “the only helicopters that went to war.”

Misc. Helicopters (Jun, 1945)

Contra-rotating main rotors were a feature of the HH-43B in service with the Air Force from the 1950’s to the 70’s

Misc Helicopters

Co-Axial Rotors. as on the Hiller-copter illustrated in the December Mechanix Illustrated, eliminate noise and vibration on this new helicopter designed by Vincent Bendix. The inventor claims it will be easier to operate and safer than an automobile. Two levers control the machine’s flight, and continuous autorotation makes it possible to fly it with safety at altitudes of only 100 to 200 feet.