330:
29:
314:
359:
278:
The I-12 was enthusiastically reviewed by the
British aeronautical press and Rollasons were designated as distributors after the I-12 had been adjusted to meet UK certification requirements. It was also offered for sale in the UK by D.R.P. Engines at £750 but no examples reached the UK civil
207:, with a ply roof behind the cabin, where a long, multipart canopy enclosed the pilot and passenger's seats. The pilot sat at the rear; both had removable sections for access. In front of them the 90 hp (67 kW)
302:
An airworthy replica of the I-12 was built in 2009 by retired sports teacher Juris Grīnbergs after a seven-year long project. The maiden flight of the replica took place near
858:
243:
The I-12 first flew on 26 June 1937, the first of twelve units built. The first prototype, on a
European tour begun in July 1937, made several demonstrations in
576:
868:
775:
259:, as well as winning first prize for the best turned out aircraft. Late in August it came in second in the Cinque Ports Wakefield Cup races at
873:
753:
732:
532:
211:
four cylinder in-line, inverted engine was mounted on steel bearers, driving a wooden propeller. At the rear of the fuselage the
863:
768:
307:
169:
157:, two seat I-12 was a development of the similarly laid out I-11, strengthened for aerobatics. It was an all wood
580:
707:
687:
551:
192:. Outboard, the wing panels tapered to rounded tips, carrying both the balanced and slotted differential
439:
59:
878:
761:
667:
642:
622:
602:
692:
672:
647:
627:
607:
556:
134:
77:
224:
827:
528:
347:
283:
208:
189:
130:
197:
188:, with the main undercarriage legs on it. These and the wheels, fitted with brakes, were
177:
852:
223:
above the fuselage line and braced from below with a steel strut on each side. The
837:
560:. Vol. XXXVI, no. 1599. 17 August 1939. pp. supplement pages g-h.
272:
313:
358:
173:
216:
212:
204:
161:
28:
832:
822:
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496:
342:
287:
256:
252:
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193:
185:
158:
109:
165:
335:
303:
291:
268:
260:
228:
181:
154:
127:
123:
52:
235:, but were shaped to allow its movement as it extended to the keel.
357:
312:
244:
271:. Avery flew another I-12 in 1939, coming fifth in the London to
184:
and plywood. The short wing centre section was integral with the
631:. Vol. XXXII, no. 1497. 2 September 1937. p. 228.
264:
142:
757:
442:
4-cylinder inverted inline, air cooled, 67 kW (90 hp)
168:
covered apart from the tail control surfaces and with a fixed,
785:
676:. Vol. XXXIII, no. 1526. 24 March 1938. p. 219.
611:. Vol. XXXII, no. 1496. 26 August 1937. p. 219.
263:. Its tour ended the following July, and it was flown back to
220:
138:
65:
696:. Vol. XXXVI, no. 1596. 27 July 1939. p. 64.
432:
17.5 imp gal (79.6 L; 21.0 US gal)
248:
651:. Vol. XXXV, no. 1589. 1 June 1939. p. 557.
275:
race and competing in the Isle of Man competition in May.
44:
Single engine, two seat cabin sports and trainer aircraft
203:
The fuselage was a rectangular box formed from spruce
255:, coming fifth in the handicapped Thanet Air Race at
105:
97:
92:
84:
72:
58:
48:
40:
35:
21:
267:by P. Avery in a record nine hours, non-stop from
176:wing was built around a main and an auxiliary box
788:(Valsts Elektrotehniskā Fabrika) company, Latvia
710:[Teacher rebuilds legendary aircraft].
769:
8:
733:"Historic plane on display at Rīga airport"
776:
762:
754:
18:
662:
660:
658:
546:
544:
469:198 km/h (123 mph, 107 kn)
463:230 km/h (140 mph, 120 kn)
518:
516:
514:
475:720 km (450 mi, 390 nmi)
859:1930s Latvian military trainer aircraft
708:"Skolotājs atjauno leģendāru lidmašīnu"
510:
784:Aircraft Designed/Manufactured at the
571:
569:
567:
369:Jane's All the World's Aircraft 1938.
290:in early 1938, most surviving to the
7:
525:Jane's All the World's Aircraft 1938
306:in 2010. It was put on display at
196:and hand-operated camber-changing
14:
414:11.3 m (122 sq ft)
402:9.3 m (30 ft 6 in)
396:7.1 m (23 ft 4 in)
668:"Variety among the Importations"
408:1.9 m (6 ft 3 in)
328:
282:At least four were purchased as
64:Valsts elektrotehniskā fabrika (
27:
869:Single-engined tractor aircraft
527:. London: David & Charles.
623:"Lympne's Fifth International"
1:
874:Aircraft first flown in 1937
426:680 kg (1,499 lb)
420:458 kg (1,010 lb)
227:were hinged forward of the
215:was conventional, with the
895:
481:47 mph (76 km/h)
308:Riga International Airport
170:conventional undercarriage
793:
26:
714:(in Latvian). 2009-06-10
16:Latvian trainer aircraft
375:General characteristics
643:"Fourth of the Series"
440:Blackburn Cirrus Minor
362:
318:
317:VEF I-12 cockpit, 1939
149:Design and development
688:"The new V.E.F. J-12"
361:
354:Specifications (I-12)
316:
603:"Racing at Ramsgate"
552:"Latvian efficiency"
294:occupation of 1940.
523:Grey, C.G. (1972).
491:Related development
239:Operational history
153:The single engine,
36:General information
583:on 3 November 2013
577:"VEF Irbitis I-12"
363:
319:
231:, which carried a
864:Low-wing aircraft
846:
845:
348:Latvian Air Force
180:, both made from
116:
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579:. Archived from
573:
562:
561:
548:
539:
538:
520:
456:
377:
334:
332:
331:
310:in August 2023.
209:Blackburn Cirrus
137:and produced by
131:trainer aircraft
31:
19:
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893:
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373:
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219:mounted on the
151:
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49:National origin
17:
12:
11:
5:
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563:
540:
533:
509:
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499:
487:
484:
483:
482:
479:Landing speed:
476:
470:
464:
461:Maximum speed:
450:
449:
443:
433:
430:Fuel capacity:
427:
421:
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409:
403:
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385:
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352:
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339:
338:
323:
320:
299:
296:
240:
237:
150:
147:
135:Kārlis Irbītis
114:
113:
107:
106:Developed from
103:
102:
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94:
90:
89:
86:
82:
81:
78:Kārlis Irbītis
76:
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62:
56:
55:
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38:
37:
33:
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24:
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15:
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2:
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541:
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534:0-7153-5734-4
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467:Cruise speed:
465:
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447:
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428:
425:
424:Gross weight:
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418:Empty weight:
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34:
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20:
879:VEF aircraft
802:
741:. Retrieved
739:. 2023-08-31
736:
727:
716:. Retrieved
711:
702:
691:
682:
671:
646:
637:
626:
617:
606:
597:
585:. Retrieved
581:the original
555:
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489:
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466:
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429:
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364:
301:
281:
277:
251:it raced at
242:
202:
152:
133:designed by
119:
117:
101:26 June 1937
98:First flight
85:Number built
60:Manufacturer
454:Performance
446:Propellers:
436:Powerplant:
390:1 passenger
273:Isle of Man
198:split flaps
164:, entirely
126:, two-seat
853:Categories
743:2023-09-01
737:eng.lsm.lv
718:2023-09-01
505:References
412:Wing area:
279:register.
174:cantilever
400:Wingspan:
388:Capacity:
366:Data from
322:Operators
247:. In the
225:elevators
217:tailplane
213:empennage
205:longerons
162:monoplane
712:Jauns.lv
587:22 March
497:VEF I-11
486:See also
448:2-bladed
343:Aizsargi
298:Replicas
288:Aizsargi
284:trainers
257:Ramsgate
253:Ramsgate
233:trim tab
194:ailerons
186:fuselage
159:low-wing
120:VEF I-12
110:VEF I-11
73:Designer
838:JDA-10M
406:Height:
394:Length:
286:by the
166:plywood
128:Latvian
93:History
693:Flight
673:Flight
648:Flight
628:Flight
608:Flight
557:Flight
531:
473:Range:
336:Latvia
333:
304:Iecava
292:Soviet
269:London
261:Lympne
229:rudder
190:faired
182:spruce
172:. Its
155:tandem
124:tandem
122:was a
53:Latvia
382:Crew:
245:Paris
833:I-19
828:I-18
823:I-17
818:I-16
813:I-15
808:I-14
803:I-12
798:I-11
589:2014
529:ISBN
438:1 ×
265:Riga
178:spar
143:Riga
118:The
41:Type
22:I-12
786:VEF
221:fin
141:in
139:VEF
66:VEF
855::
735:.
690:.
670:.
657:^
645:.
625:.
605:.
566:^
554:.
543:^
513:^
249:UK
200:.
145:.
88:12
777:e
770:t
763:v
746:.
721:.
591:.
537:.
384:1
112:.
68:)
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