192:
40:
183:
brakes" providing differential torque between the rotors. Gyrodyne patented the control on 24 October 1954 Patent No. 2,835,331. There is a small inverted V-tail for control at forward speeds. The rotors are laminated wood construction. The mast is pressure lubricated and becomes a cooling surface for oil inflight. The landing gear consists of three small wheels.
1170:
211:, however, had noticed the compact size and high load-carrying capacity of the RON, and in 1960 awarded a contract to Gyrodyne to produce a radio-controlled drone version of the Rotorcycle, to be used as an Anti-Submarine Warfare platform. Using the dynamic components of the RON, this was eventually developed as the
182:
The XRON-1 used a manually started 40 hp two-cycle engine with a gross weight capability of 500 lb. The fuselage is a simple box-beam construction. The rotor uses co-axial blades which alleviate the need for an anti-torque tail rotor. Yaw control is provided by rotor tip mounted "tip
154:
requirement for a small personal helicopter that would fulfill an array of roles, including observation, liaison, small unit tactical maneuvers, and which could be dropped to downed airmen behind enemy lines to facilitate their escape.
163:
Gyrodyne purchased the assets of Bendix
Helicopters in 1949, including the Model 2C coaxial helicopter which provided the technology for the XRON-1. In 1951 the Model 2C was demonstrated to the Navy with shortcomings noted in
199:
The first flight was in
November 1955. The two-cycle engine was prone to overheating and other engines were added to the program for testing. The Marine Corps also tested one XRON-1, and three YRON-1 prototypes.
1917:
371:
1912:
1927:
941:
179:'s design was an open-framework helicopter with coaxial rotors, which was evaluated with three different power plants (two reciprocating, one turbine).
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control. The XRON-1 was demonstrated under a new Navy contract NOas 55-388-c for a lightweight single man helicopter.
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1108:. Washington, D.C.: History and Museums Division Headquarters, United States Marine Corps. p. 89.
1733:
1588:
793:
Kenneth I Swartz (January 2020). "Luminati
Creates Vertically Integrated VTOL Development Business".
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118:
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engine variant - Rotor diameter increased to 20 ft (6 m), 5 units built and tested at
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A two-place enclosed "gyrocycle" commercial variant was proposed after initial tests.
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4-cylinder air-cooled horizontally-opposed piston engine, 72 hp (54 kW)
549:
218:
The
Rotorcycle went on to win the prize for most maneuverable helicopter at the
257:
253:
model Model GP-702/1 600cc variant with 17 ft (5 m) diameter rotors.
212:
55:
1132:
292:
Powered by a 125 hp (93 kW) Electric Engine with 50 Min endurance.
279:
17:
316:
4015 – XRON airworthy with Coax
Helicopters of Parramatta, New South Wales.
203:
The Marine Corps eventually concluded that both the RON, and the competing
1185:. London: Jane's All the World's Aircraft Publishing Co. Ltd. p. 312.
1169:
1067:"Location Dossier - Patriots Point Naval and Marine Museum (USS Yorktown)"
1256:
505:
112 mi (180 km, 97 nmi) (overload weight, auxiliary fuel)
207:
were too heavy and too difficult to fly and abandoned the project. The
146:) was a tiny, single-seat helicopter designed under contract for the
222:
in 1961, and was selected for a 1964 trade fair in
Morocco by the
190:
693:
Historic naval aircraft: from the pages of Naval history magazine
1829:
1205:
992:"Airframe Dossier - Gyrodyne XRON-1 Rotorcycle, s/n 04014 USN"
942:"A de Havilland Otter Arrives at The Hickory Aviation Museum"
916:"Airframe Dossier - Gyrodyne YRON-1 Rotorcycle, s/n 4012 USN"
282:
gas turbine engine and 15 ft (5 m) diameter rotors.
260:
turbine model with 17 ft (5 m) diameter rotors.
1197:
XRON History – Gyrodyne
Helicopter Historical Foundation
285:
Powered by a 72 hp (54 kW) 4-stroke
Porsche
263:
Powered by a 72 hp (54 kW) 4-stroke
Porsche
249:
Powered by a 55 hp (41 kW) 4-stroke
Porsche
755:
Flight International AIRCRAFT, SPACECRAFT, MISSILES
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1117:. Shrewsbury, UK: Airlife Publishing. p. 220.
539:
Aircraft of comparable role, configuration, and era
1147:. London: Sampson Low, Marston & Company, Ltd.
690:
150:. in the mid-1950s. It later was redesigned for a
27:Experimental US Navy & Marine Corps helicopter
1021:Buffalo and Erie County Naval & Military Park
372:Buffalo and Erie County Naval & Military Park
309:4008 – XRON airworthy with Coax Helicopters of
195:Gyrodyne RON Rotorcycle making a water landing
1918:1950s United States military utility aircraft
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761:(2672): p.p.711–718, 725–730. 27 May 1960.
1183:Jane's All the World's Aircraft 1958-59
1156:. London: Studio Editions. p. 455.
1145:Jane's All the World's Aircraft 1961–62
578:
487:78 mph (126 km/h, 68 kn)
412:Jane's All The World's Aircraft 1961–62
359:4014 – XRON-1 on static display at the
348:4013 – YRON-1 on static display at the
337:4012 – YRON-1 on static display at the
326:4005 – XRON-1 on static display at the
735:
724:
671:
660:
615:
604:
493:60 mph (97 km/h, 52 kn)
29:
278:Powered by a 62 hp (46 kW)
256:Powered by a 55 hp (41 kW)
7:
1913:Gyrodyne Company of America aircraft
1115:Airlife's Helicopters and Rotorcraft
835:"Aircraft Register [VH-YRN]"
809:"Aircraft Register [VH-XRN]"
499:55 mi (89 km, 48 nmi)
224:United States Department of Commerce
47:Rotorcycle conducting a test flight
940:Aguiari, Moreno (17 January 2024).
545:American Helicopter XH-26 Jet Jeep
432:11 ft 6 in (3.51 m)
25:
1928:Single-engined piston helicopters
1106:Marines and Helicopters 1946–1962
1046:National Museum of Transportation
472:314 sq ft (29.2 m)
383:National Museum of Transportation
1859:rotorcycle designations pre-1962
1235:helicopter designations pre-1962
1168:
517:1,140 ft/min (5.8 m/s)
381:XRON-1 on static display at the
38:
1923:1950s United States helicopters
1537:Helicopter, Transport 1944-1962
1181:Bridgman, Leonard, ed. (1958).
1154:Jane's Encyclopedia of Aviation
839:Civil Aviation Safety Authority
813:Civil Aviation Safety Authority
1152:Taylor, Michael J. H. (1989).
1099:. Gyrodyne Company of America.
861:"Gyrodyne XRON-1 'Rotorcycle'"
1:
1713:Helicopter, Utility 1950-1962
1472:Helicopter, Trainer 1948-1962
511:12,400 ft (3,800 m)
1938:Aircraft first flown in 1955
1630:Helicopter, Utility pre-1949
1443:Helicopter, Trainer pre-1948
1042:"Gyrodyne XRON-1 Rotorcycle"
891:"Gyrodyne YRON-1 Rotorcycle"
753:"Helicopters of the World".
1104:Rawlins, Eugene W. (1976).
895:Pima Air & Space Museum
466:2 × 20 ft (6.1 m)
339:Pima Air & Space Museum
311:Parramatta, New South Wales
79:Gyrodyne Company of America
1959:
1241:Helicopter, Anti-submarine
967:"Gyrodyne XRON Rotorcycle"
398:Charleston, South Carolina
332:Windsor Locks, Connecticut
1933:Coaxial rotor helicopters
971:Cradle of Aviation Museum
450:906 lb (411 kg)
444:832 lb (377 kg)
438:550 lb (249 kg)
392:RON on static display at
370:XRON-1 in storage at the
361:Cradle of Aviation Museum
46:
37:
32:
1943:Single seat helicopters
1322:Helicopter, Observation
1175:Gyrodyne RON Rotorcycle
841:. Australian Government
815:. Australian Government
417:General characteristics
354:Hickory, North Carolina
350:Hickory Aviation Museum
142:(originally designated
140:Gyrodyne RON Rotorcycle
1017:"Outdoor Exhibit Yard"
865:New England Air Museum
773:"GYRODYNE XRON - YRON"
689:Norman Polmar (2004).
328:New England Air Museum
196:
1113:Simpson, Rod (1998).
946:Vintage Aviation News
387:Saint Louis, Missouri
289:DSN-1/QH-50A engine.
194:
1177:at Wikimedia Commons
588:Taylor 1961, p. 261.
464:Main rotor diameter:
560:Kaman KSA-100 SAVER
533:Gyrodyne QH-50 DASH
527:Related development
448:Max takeoff weight:
187:Operational history
131:Gyrodyne QH-50 DASH
1141:Taylor, John W. R.
365:New York, New York
299:Surviving aircraft
269:NAS Patuxent River
209:United States Navy
197:
148:United States Navy
97:United States Navy
93:Primary user
33:XRON-1 Rotorcycle
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1293:Helicopter, Crane
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1173:Media related to
734:Missing or empty
670:Missing or empty
614:Missing or empty
599:Popular Mechanics
376:Buffalo, New York
152:U.S. Marine Corps
136:
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88:23 November 1955
16:(Redirected from
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721:. December 1958.
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657:. November 2011.
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59:Type of aircraft
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871:on 2 April 2016
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1097:The Rotorcycle
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213:Gyrodyne QH-50
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1074:. Retrieved
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869:the original
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727:cite journal
718:
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663:cite journal
654:
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637:. Retrieved
628:
616:|title=
607:cite journal
601:. July 1956.
598:
593:
564:
555:Hoppi-Copter
538:
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503:Ferry range:
502:
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104:Number built
18:Gyrodyne RON
550:Hiller YROE
478:Performance
454:Powerplant:
159:Development
1907:Categories
795:Vertiflite
568:References
258:Solar YT62
205:Hiller ROE
56:Helicopter
1762:McCulloch
1656:McDonnell
1638:McDonnell
1563:McDonnell
1301:McDonnell
1133:438025217
573:Citations
410:Data from
304:Australia
280:Solar T62
241:Prototype
1884:Gyrodyne
1798:Sikorsky
1780:Piasecki
1692:Sikorsky
1674:Piasecki
1599:Sikorsky
1581:Piasecki
1451:Sikorsky
1402:Sikorsky
1366:Gyrodyne
1267:Sikorsky
1143:(1961).
522:See also
233:Variants
177:Gyrodyne
1076:14 July
1051:14 July
1026:14 July
1001:14 July
976:14 July
951:14 July
925:14 July
900:14 July
875:14 July
845:14 July
819:14 July
430:Length:
287:YO-95-8
265:YO-95-6
251:YO-95-2
1866:Hiller
1480:Hiller
1348:Hiller
1131:
1121:
778:25 Oct
701:
639:7 June
497:Range:
244:YRON-1
238:XRON-1
172:Design
1721:Kaman
1498:Kaman
1384:Kaman
1280:HSS-2
1275:HSS-1
424:Crew:
52:Role
1811:HU2S
1744:Bell
1734:HU2K
1617:HR3S
1612:HR2S
1516:Bell
1430:HO5S
1425:HO4S
1420:HO3S
1415:HO2S
1249:Bell
1129:OCLC
1119:ISBN
1078:2024
1053:2024
1028:2024
1003:2024
978:2024
953:2024
927:2024
902:2024
877:2024
847:2024
821:2024
780:2022
740:help
699:ISBN
676:help
641:2011
620:help
456:1 ×
271:and
138:The
1892:RON
1874:ROE
1857:USN
1806:HUS
1788:HUP
1770:HUM
1752:HUL
1729:HUK
1700:HJS
1682:HJP
1664:HJH
1646:HJD
1607:HRS
1589:HRP
1571:HRH
1553:HRB
1524:HTL
1506:HTK
1488:HTE
1459:HNS
1410:HOS
1392:HOK
1374:HOG
1356:HOE
1338:HOC
1309:HCH
1257:HSL
1233:USN
396:in
385:in
374:in
363:in
352:in
341:in
330:in
144:HOG
108:10
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