204:
It flew for the first time in 1935. It came third in the first All-Union light competition but was initially underpowered for its aerobatic trainer rôle. Its performance was much enhanced by the more powerful M-11 Ye engine and subsequently some seventy pilots qualified on it.
395:
644:
452:
154:. In 1937 performance was improved with the installation of an uprated M-11 variant, the 150 hp (112 kW) M-11 Ye. Behind the engine the
659:
372:
445:
649:
438:
654:
190:
100:
in the mid-1930s. Only one was built; re-engined in 1937, it was used to train many aerobatic pilots.
623:
597:
587:
582:
577:
618:
613:
567:
562:
557:
552:
183:
162:
cockpits under continuous, multiframed glazing that merged into a raised rear upper fuselage. Its
150:, a Soviet design which originally produced 100 hp (75 kW), enclosed in a broad chord,
93:
28:
461:
368:
198:
151:
117:
82:
175:
143:
On its first flight, in 1935, and over its early career it was powered by a five-cylinder
137:
592:
572:
536:
531:
526:
521:
516:
511:
506:
501:
491:
486:
638:
481:
476:
310:
400 km (250 mi, 220 nmi) :This and below refer to original M-11 engine
286:
282:
179:
147:
144:
194:
167:
163:
124:. Unusually, the wing was braced from above with a pair of inverted V steel
121:
109:
90:
178:
which extended own to the keel. The tailplane was far enough forward that
166:
was conventional, with elliptical, mid fuselage horizontal surfaces, the
155:
113:
252:
133:
129:
430:
159:
125:
97:
43:
434:
171:
158:
was deep and rounded below. Instructor and student were in
367:. London: Osprey (Reed Consumer Books Ltd). p. 79.
174:
merged smoothly into the fuselage and carried a broad,
418:
365:
606:
545:
469:
446:
128:to a crash pylon within the enclosed forward
8:
453:
439:
431:
304:235 km/h (146 mph, 127 kn)
322:11.1 min to 2,000 m (6,562 ft)
275:100 kg (220 lb), including oil
390:
388:
386:
384:
344:
358:
356:
354:
352:
350:
348:
193:. Its main wheels, mounted on slender
116:of semi-elliptical plan, its greatest
15:
170:braced from the upper fuselage. The
7:
645:1930s Soviet civil trainer aircraft
607:Known projects and unflown aircraft
197:legs, were enclosed in large, deep
242:9.7 m (31 ft 10 in)
132:. The wing had long, broad chord
14:
248:13.2 m (142 sq ft)
236:6.3 m (20 ft 8 in)
186:were ahead of the rudder hinge.
209:Specifications (M-11 Ye engine)
1:
316:3,870 m (12,700 ft)
660:Aircraft first flown in 1935
289:, 110 kW (150 hp)
269:880 kg (1,940 lb)
263:620 kg (1,367 lb)
676:
334:70 km/h (43 mph)
86:
18:
328:190 m (623 ft)
470:Powered aircraft, flown
221:General characteristics
191:tailwheel undercarriage
363:Gunston, Bill (1995).
136:and manually operated
120:some way out from the
104:Design and development
216:Gunston (1965), p.79
53:Vladislav Gribovsky
326:Take off distance:
96:, designed in the
650:Gribovsky aircraft
420:. pp. XX–XXI.
655:Low-wing aircraft
632:
631:
320:Time to altitude:
176:unbalanced rudder
75:
74:
667:
455:
448:
441:
432:
422:
421:
416:Gunston (1995).
413:
407:
406:
404:
402:
396:"Gribovsky G-20"
392:
379:
378:
360:
314:Service ceiling:
297:
283:Shvetsov M-11 Ye
223:
152:helmeted cowling
88:
68:
40:
32:Type of aircraft
16:
675:
674:
670:
669:
668:
666:
665:
664:
635:
634:
633:
628:
602:
541:
465:
459:
428:
426:
425:
415:
414:
410:
400:
398:
394:
393:
382:
375:
362:
361:
346:
341:
332:Landing speed:
293:
219:
211:
189:The G-20 had a
108:The G-20 was a
106:
87:ГРИБОВСКИЙ Г-20
66:
39:National origin
38:
33:
19:Gribovsky G-20
12:
11:
5:
673:
671:
663:
662:
657:
652:
647:
637:
636:
630:
629:
627:
626:
621:
616:
610:
608:
604:
603:
601:
600:
595:
590:
585:
580:
575:
570:
565:
560:
555:
549:
547:
546:Gliders, flown
543:
542:
540:
539:
534:
529:
524:
519:
514:
509:
504:
499:
494:
489:
484:
479:
473:
471:
467:
466:
460:
458:
457:
450:
443:
435:
424:
423:
408:
380:
373:
343:
342:
340:
337:
336:
335:
329:
323:
317:
311:
305:
302:Maximum speed:
291:
290:
276:
273:Fuel capacity:
270:
264:
258:
249:
243:
237:
231:
210:
207:
180:trailing edges
105:
102:
79:Gribovsky G-20
73:
72:
69:
63:
62:
59:
55:
54:
51:
47:
46:
41:
35:
34:
31:
25:
21:
20:
13:
10:
9:
6:
4:
3:
2:
672:
661:
658:
656:
653:
651:
648:
646:
643:
642:
640:
625:
622:
620:
617:
615:
612:
611:
609:
605:
599:
596:
594:
591:
589:
586:
584:
581:
579:
576:
574:
571:
569:
566:
564:
561:
559:
556:
554:
551:
550:
548:
544:
538:
535:
533:
530:
528:
525:
523:
520:
518:
515:
513:
510:
508:
505:
503:
500:
498:
495:
493:
490:
488:
485:
483:
480:
478:
475:
474:
472:
468:
463:
456:
451:
449:
444:
442:
437:
436:
433:
429:
419:
412:
409:
397:
391:
389:
387:
385:
381:
376:
374:1 85532 405 9
370:
366:
359:
357:
355:
353:
351:
349:
345:
338:
333:
330:
327:
324:
321:
318:
315:
312:
309:
306:
303:
300:
299:
298:
296:
288:
284:
280:
277:
274:
271:
268:
267:Gross weight:
265:
262:
261:Empty weight:
259:
256:
254:
250:
247:
244:
241:
238:
235:
232:
229:
226:
225:
224:
222:
217:
215:
208:
206:
202:
200:
196:
192:
187:
185:
181:
177:
173:
169:
165:
161:
157:
153:
149:
148:radial engine
146:
145:Shvetsov M-11
141:
139:
135:
131:
127:
123:
119:
115:
111:
103:
101:
99:
95:
92:
84:
80:
70:
65:
64:
60:
58:First flight
57:
56:
52:
49:
48:
45:
42:
37:
36:
30:
26:
23:
22:
17:
496:
427:
417:
411:
399:. Retrieved
364:
331:
325:
319:
313:
307:
301:
294:
292:
278:
272:
266:
260:
251:
245:
239:
233:
227:
220:
218:
213:
212:
203:
188:
142:
107:
78:
76:
67:Number built
295:Performance
285:5-cylinder
279:Powerplant:
639:Categories
573:G-11 (VVS)
401:4 November
339:References
246:Wing area:
195:cantilever
462:Gribovsky
240:Wingspan:
214:Data from
184:elevators
168:tailplane
164:empennage
110:monoplane
91:aerobatic
89:) was an
50:Designer
27:Two seat
464:aircraft
156:fuselage
134:ailerons
114:low wing
253:Airfoil
234:Length:
182:of the
130:cockpit
112:with a
94:trainer
83:Russian
29:trainer
371:
308:Range:
287:radial
160:tandem
126:struts
624:Dosav
537:G-30M
228:Crew:
199:spats
138:flaps
122:roots
118:chord
61:1935
24:Role
598:G-31
593:G-29
588:G-16
583:G-14
578:G-12
532:G-28
527:G-27
522:G-26
517:G-25
512:G-23
507:G-22
502:G-21
497:G-20
492:G-15
487:G-10
403:2014
369:ISBN
281:1 ×
98:USSR
77:The
44:USSR
619:G-4
614:G-3
568:G-9
563:G-6
558:G-2
553:G-1
482:G-8
477:G-5
257:RII
230:Two
172:fin
641::
383:^
347:^
201:.
140:.
85::
71:1
454:e
447:t
440:v
405:.
377:.
255::
81:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.