26:
152:
234:
As well as providing aerotowing training, the
Cimbora was used to train pilots in ridge-flying techniques, a style which encouraged duration record attempts. The longest in Hungary lasted 25 hr 7 min, flown by Géza Vass and Endre Lacza in August 1948. R-11bs remained in use into the 1950s. A 1984
187:, joined at their tops and braced outboard by a pair of steel struts on each side from the lower fuselage longerons to the wing spars. On the R-11a Gólya, these were V-struts but the R-11b had instead a near-parallel pair, splaying outwards a little from top to bottom.
138:
responded with the F-11 Gólya (Stork) built, like several of his designs, by Aero Ever Kft. Its first flight was on 9 May 1940. A combination of flight test results and tightening regulations lead to three more prototypes, the R-11a, R-11b and
206:(cg) with its own windscreen, accessed via an upwardly hinged upper fuselage section. On the underside a landing skid ran from the nose to below the front of the instructor's cockpit. Aft of it, but ahead of the cg. there was a semi-exposed
134:
In 1939 there was a call from the
Aeroclub of the fhe Technical University for a two-seat glider on which intermediate level pilots could learn the skills required for aerotowing.
183:
occupied more than half the span. The wings were supported centrally over the fuselage by a longitudinal pair of inward-leaning steel N-struts from the upper fuselage
122:, first flown in 1940 and intended to introduce B-certificated pilots to aero-towing techniques. It proved popular and was also used to train pilots in
459:
631:
422:
636:
469:
135:
78:
143:. Details of the differences between them are sparse but it was the R-11b, renamed the Cimbora that went into production in 1941.
646:
202:
with a removable cover incorporating a windscreen and the instructor sat under the rear wing in an open cockpit over the
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together were tapered in plan out to rounded tips. The full, rounded,
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243:, remained active at least to 2016 but is currently deregistered.
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was placed on top of the fuselage just ahead of a small, tapered
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371:(in Hungarian). Budapest: Müszaki Könuvkiadó. pp. 99–104.
332:
215:
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fuselage was flat-sided, built around longerons and
415:
Aviation
Museums and Collections of Mainland Europe
226:reached down to the keel, behind a small tailskid.
171:-braced wing. The half-wings were built around two
126:flying and set several national duration records.
66:(50) and the Aircraft Factory of Transylvania in
453:
417:. Air Britain (Historians) Ltd. p. 295.
107:
8:
393:"R-11b Cimbora, Hungarian gliders 1933-2000"
198:. The student's cockpit was under the wing
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331:100 km/h (62 mph, 54 kn)
356:
346:1.1 m/s (220 ft/min) minimum
155:R-11b Cimbora in 2015, winch-launching
15:
190:Apart from rounded upper decking the
7:
175:. Swept at 7.5°, they had constant
274:7.52 m (24 ft 8 in)
14:
286:21.5 m (231 sq ft)
280:15 m (49 ft 3 in)
24:
1:
179:out to rounded tips. Slotted
159:The R-11 was a glider with a
632:Aircraft first flown in 1940
369:Magyar vitorlázó repülögépek
268:Two, student and instructor
663:
637:1940s Hungarian sailplanes
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316:400 kg (882 lb)
310:220 kg (485 lb)
108:
23:
18:
259:General characteristics
156:
647:Parasol-wing aircraft
468:Aircraft designed by
367:Gabor, Jareb (1988).
154:
106:Rubik R-11b Cimbora (
338:Maximum glide ratio:
218:. The tailplane and
413:Ogden, Bob (2009).
230:Operational history
157:
619:
618:
424:978 0 85130 418 2
204:centre of gravity
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36:Advanced trainer
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304:Göttingen Gö 549
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41:Type of aircraft
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241:Budaörs Airport
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224:balanced rudder
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62:Aero Ever Kft.
48:National origin
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329:Maximum speed:
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247:Specifications
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19:R-11b Cimbora
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391:Fekes Gabor.
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344:Rate of sink:
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314:Gross weight:
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308:Empty weight:
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85:First flight
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396:. Retrieved
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291:Aspect ratio
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200:leading edge
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105:
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94:Number built
398:25 February
322:Performance
239:, based at
192:ply-covered
130:Development
88:9 May 1940
626:Categories
470:Ernő Rubik
351:References
284:Wing area:
136:Ernő Rubik
124:ridge lift
79:Ernő Rubik
278:Wingspan:
252:Data from
235:replica,
220:elevators
212:tailplane
208:monowheel
185:longerons
118:two seat
116:Hungarian
75:Designer
64:Esztergom
38:sailplane
254:Gabor, F
181:ailerons
300:Airfoil
272:Length:
237:HA-5035
53:Hungary
421:
196:frames
147:Design
120:glider
114:was a
70:(12).
68:Oradea
591:R-25
266:Crew:
177:chord
173:spars
169:strut
165:swept
98:c.62
33:Role
611:R-32
606:R-31
601:R-27
596:R-26
586:R-24
581:R-23
576:R-22
571:R-21
566:R-20
561:R-18
556:R-17
551:R-16
546:R-15
541:R-14
536:R-12
531:R-11
526:R-10
521:R-09
516:R-08
511:R-07
506:R-06
501:R-05
496:R-04
491:R-03
486:R-02
481:R-01
419:ISBN
400:2019
295:10.5
161:high
139:R11b
104:The
333:VNE
216:fin
109:Pal
628::
377:^
359:^
340:14
167:,
163:,
461:e
454:t
447:v
427:.
402:.
302::
293::
141:1
112:)
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