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fixed-wing aircraft kit and learned to fly. They later purchased and restored another fixed-wing aircraft and flew it until 1933, when it was damaged. In the winter of 1936–1937, the brothers traveled to
Oakland, California to learn about rotary-wing aircraft and commenced construction of their own
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helicopter in 1937. The first short test flight was carried out on
December 20, 1938. Vibration problems and bearing failures occurred after only a few more hours of test flights of up to five feet in altitude and 50 feet distance, so experiments were discontinued in early 1939.
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The 98 hp available from the engine proved inadequate, but several test flights were made, the machine showing severe vibration. Work was then interrupted by the outbreak of the Second World War.
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The Froebe family moved from
Chatsworth, Illinois to the Homewood area in 1921. In 1927, the Froebe brothers (Nicolas, Theodore and Douglas) purchased and assembled a
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The helicopter was stored in a granary and forgotten. A later generation of the Froebe family rediscovered it and donated it to the
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88:. Douglas Froebe moved to California, but returned to Homewood to carry out experiments with another novel aircraft design.
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The machine was constructed on a custom-made steel tubular frame using spare parts and equipment from
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Theodore Froebe was killed in the crash of a Heath
Parasol in 1943, and Nicolas died in 1959 while
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28:. It was built by brothers Doug, Theodore and Nicholas Froebe in the 1930s.
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Engine: de
Havilland Gipsy 98 hp 4-cylinder in-line, air-cooled aero engine
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Rotor span: 8.53 m (28′) ( two coaxial counter-rotating rotors)
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aero engine, it had twin concentric contra-rotating rotors of
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Vertical Rewind:The Flying Frobes, retrieved August 22, 2019
141:"Froebe Helicopter: Before Sikorksy came the Froebe Brothers"
123:"World's Second Helicopter Built in Manitoba in 1937-38"
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162:. Canadian Aviation Historical Society. Archived from
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46:, farm machinery and elsewhere. Fitted with a
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54:tubing with fabric covering and with full
223:Uncertified aircraft developed in Canada
145:Royal Aviation Museum of Western Canada
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66:Royal Aviation Museum of Western Canada
7:
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121:Render, Shirley (15 November 2007).
697:This aircraft-related article is a
56:cyclic and collective pitch control
14:
783:Single-engined piston helicopters
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768:Canadian experimental aircraft
160:"Canada' Rotary Wing Heritage"
1:
788:Aircraft first flown in 1938
701:. You can help Knowledge by
158:Bill Zuk (31 January 2013).
804:
758:Aviation history of Canada
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24:to be built and flown in
592:Freedom Lite/Legend Lite
100:Length: 4.14 m (13′ 7″)
552:Nordic 8 Mini Explorer
39:
580:Aerocruiser 450 Turbo
34:
773:Canadian helicopters
763:Aviation in Manitoba
347:Bushcaddy/CADI/CLASS
337:Twin Engine EZ Flyer
127:Helicopters Magazine
778:Individual aircraft
753:Canadian inventions
166:on 7 September 2015
590:Spectrum Aircraft/
238:Beaver RX 550 Plus
48:de Havilland Gipsy
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37:Homewood, Manitoba
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466:Froebe helicopter
18:Froebe Helicopter
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476:Murphy Aircraft
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458:Froebe Brothers
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423:FP-606 Sky Baby
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92:Specifications
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703:expanding it
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562:Normand Dube
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403:FP-202 Koala
322:EZ Fun Flyer
180:
168:. Retrieved
164:the original
153:
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126:
116:
86:crop dusting
83:
75:
63:
60:
41:
35:Marker near
17:
15:
615:UltraFlight
570:Aerocruiser
443:Super Koala
398:Dakota Hawk
327:EZ Harvard
304:Blue Yonder
170:10 November
72:Development
44:automobiles
742:Categories
547:Nordic VII
527:Nordic III
512:J6 Karatoo
268:Ameri-Cana
108:References
22:helicopter
542:Nordic VI
532:Nordic IV
522:Nordic II
448:Youngster
433:Horizon 2
428:Horizon 1
388:Celebrity
258:Summit SS
243:Beaver SS
633:Ultravia
537:Nordic V
517:Nordic I
317:EZ Flyer
253:Summit 2
674:CH 2000
641:Pelican
393:Classic
383:Avenger
294:Chinook
286:Birdman
669:CH 801
664:CH 701
659:CH 601
651:Zenair
623:Lazair
600:Beaver
504:Norman
413:FP-404
408:FP-303
375:Fisher
312:Merlin
276:Eureka
26:Canada
494:Yukon
489:Rebel
484:Moose
365:R-120
355:L-160
699:stub
360:R-80
230:ASAP
172:2015
16:The
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143:.
125:.
68:.
58:.
730:e
723:t
716:v
705:.
216:e
209:t
202:v
174:.
147:.
129:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
