Helicopter Engineering H.100 prototype (1947)

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Two photographs of this rare type, of which little is known (did it even fly??):
 

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At this site it is referred to as the Helicopter Engine & Construction Corporation Model 100:


http://www.airplanesandrockets.com/helicopters/more-of-those-fabulous-mini-copters-jan-1957-american-modeler.htm


shown in '47; early attempt at tiny personal craft. Simplified flight control system which eliminated separate cyclic and collective controls and pedals; all controls combined on single stick, actuated similar to auto. 76 hp Continental engine fitted with jet exhaust cooling system. Plywood construction; seated pilot with 200 lb baggage. Rotor dia., 18', gross wt, 750 lbs; max. speed, 95-100 mph; cruising, 80 mph; rate of climb, 1200 ft/min. Craft test flown; target price of $5000 with mass production price of $2500; 2·seater proposed by raising rotor shaft 3', placing passenger section behind pilot. Neither craft produced.
 
Stingray™ said:
At this site it is referred to as the Helicopter Engine & Construction Corporation Model 100

It's wrong. It was definitely called the Helicopter Engineering and Construction Corporation.

See the patent for the H.100 design by Harold E. Lemont (who went on to design the Model 104 Convertiplane for Jacobs):

http://www.google.com/patents/USD152342
 

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Ah, thanks for the correction. It seems they've mislabeled a Monte-Copter concept in there too. ???
 
Hi,

here is the Model-100 single-seat and Model-101 two-seat artist drawings.

http://archive.aviationweek.com/image/spread/19460601/46/2
 

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Hi,

http://archive.aviationweek.com/image/spread/19470301/64/2
 

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