37:
287:
covered. Weymann argued that construction in wood was simpler, cheaper and more familiar to workers from the civil aircraft industry and did not degrade performance. This version had performance figures better than those specified for the all-metal aircraft of the
Concours.
229:, then covered in fabric. The two open cockpits were in tandem, with the pilot just aft of the upper wing and the observer close behind. His position was equipped for wireless and photography as well as with a pair of flexibly mounted
118:
The French R.2 specification of 1928 called for an all-metal, two seat reconnaissance aircraft, fast and with a rapid climb rate and large radius of action. It led to prototypes from eight manufacturers, the
221:
fitted with vanes to control the engine temperature. The engine mounting and the rest of the fuselage structure was built from molybdenum-chrome steel tubes. Behind the engine, which had a metal
174:(20%) and so in area (40%). The wings were similar in plan, rectangular out to angled, blunted tips, though with differently shaped cut-outs for better upward and downward views from the
779:
260:
The 80 R.2 had a conventional fixed, tailwheel undercarriage. Its wheels were independently mounted, with axles at the vertices of V-struts hinged to the central lower fuselage and
264:
shock absorbers from the axles to the upper fuselage. The wheels, 3.0 m (9 ft 10 in) apart, were fitted with brakes and fairings. Its tailwheel was steerable.
652:
789:
110:
was a French two seat reconnaissance aircraft built to compete for a 1928 government contract. It was not successful and did not enter production.
794:
257:
and generous, balanced rudder which extended to the keel. Fin and tailplane were braced together with twin parallel wires on each side.
630:
36:
277:
645:
72:
774:
638:
218:
753:
187:
136:
392:
234:
47:
743:
738:
733:
662:
250:
226:
167:
280:
began in April 1931 and, unusually, lasted about a year. The contest winner was the ANF Les
Mureaux 111.
163:
147:
and the
Weymann WEL-80 R.2. One of the terms of the specification required the manufacturers to use a
717:
712:
707:
702:
697:
692:
552:
171:
132:
128:
374:
198:
and were linked together by external rods. Upper and lower wings were braced by outward leaning
183:
148:
452:
Two fixed forward firing machine guns and two paired and flexibly mounted in observer's cockpit
291:
The design first flew in
December 1932 and was under test at Villacoublay the following month.
784:
222:
203:
246:
210:
and the upper one joined to the upper fuselage with outward leaning, parallel pairs of
768:
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195:
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533:
474:
573:
211:
677:
378:
230:
152:
144:
682:
261:
124:
17:
283:
A second
Weymann 80 was built with wings that had wooden structures and were
242:
238:
199:
120:
207:
140:
350:
284:
191:
175:
159:
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and a lower wing which was smaller not only in span (14%) but also in
388:
62:
233:. The pilot controlled two more fixed guns which fired through the
179:
634:
217:
The V-12 Hispano engine was mounted in the nose behind a large
254:
272:
The
Weymann WEL-80 first flew in January 1931. The S.T.I.Aé
253:. Its much larger, rounded vertical tail had a broad-chord
194:
on both upper and lower wings which occupied most of each
225:, the outer fuselage form was set by wooden frames and
409:
270 km/h (170 mph, 150 kn) at sea level
276:(Long range reconnaissance aircraft competition) at
214:
on each side. Wire bracing completed the structure.
726:
670:
475:"Le concours des biplaces de grande reconnaissance"
241:was conventional, with a narrow chord, rectangular
500:"Le concours des avions de grande reconnaissance"
574:"Concours des avions de grande reconnaissance"
780:1930s French military reconnaissance aircraft
646:
8:
274:Concours des avions de grande reconnaissance
653:
639:
631:
206:; the lower wing was mounted on the lower
527:
525:
523:
521:
519:
517:
415:1,000 km (620 mi, 540 nmi)
469:
467:
465:
494:
492:
461:
427:26 min to 7,000 m (23,000 ft)
421:8,500 m (27,900 ft) practical
158:The Weymann WEL-80 was an unequal span
26:
7:
340:3.30 m (10 ft 10 in)
328:14.0 m (45 ft 11 in)
322:8.80 m (28 ft 10 in)
551:Bruno Parmentier (21 April 2014).
532:Frachet, André (14 January 1932).
334:12.0 m (39 ft 4 in)
25:
35:
790:Single-engined tractor aircraft
665:Société des Avions C.T. Weymann
346:42 m (450 sq ft)
245:mounting broader, blunt ended,
182:structures with two I-section
73:Société des Avions C.T. Weymann
661:Aircraft designed or built by
1:
367:2,250 kg (4,960 lb)
361:1,450 kg (3,197 lb)
795:Aircraft first flown in 1931
606:(549): 1. 24 December 1931.
381:, 480 kW (650 hp)
811:
624:(553): 3. 21 January 1932.
580:. 14 April 1932. p. 3
485:: 275, 281–2. August 1931.
754:Weymann-Lepère Aeromobile
108:Weymann-Lepère WEL-80 R.2
34:
29:
534:"L'avion Weymann 80 R.2"
439:100 m (330 ft)
433:100 m (330 ft)
137:Nieuport-Delage Ni-D 580
307:General characteristics
237:disc. At the rear the
48:Reconnaissance aircraft
663:Charles Terres Weymann
510:(V): 145. 15 May 1931.
302:Les Ailes January 1932
431:Take-off distance:
375:Hispano-Suiza 12Nb
160:single bay biplane
149:Hispano-Suiza 12Nb
762:
761:
437:Landing distance:
425:Time to altitude:
204:interplane struts
162:. It had strong
104:
103:
16:(Redirected from
802:
775:Weymann aircraft
655:
648:
641:
632:
626:
625:
618:"A Villacoublay"
614:
608:
607:
596:
590:
589:
587:
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578:Le Petit Parisen
570:
564:
563:
561:
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553:"Weymann WEL-80"
548:
542:
541:
529:
512:
511:
496:
487:
486:
471:
447:
419:Service ceiling:
402:
309:
97:
59:
51:Type of aircraft
39:
27:
21:
810:
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332:Lower wingspan:
326:Upper wingspan:
305:
297:
270:
178:. They had all-
133:Les Mureaux 111
116:
95:
58:National origin
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52:
23:
22:
15:
12:
11:
5:
808:
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727:Weymann-Lepère
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479:L'Aéronautique
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407:Maximum speed:
396:
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393:variable pitch
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296:
295:Specifications
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188:fabric covered
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18:Weymann WEL-80
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10:
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2:
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671:Weymann built
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377:water-cooled
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365:Gross weight:
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359:Empty weight:
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212:cabane struts
209:
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201:
197:
196:trailing edge
193:
190:. There were
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177:
173:
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156:
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151:water-cooled
150:
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138:
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129:Latécoère 490
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111:
109:
99:
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87:First flight
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69:Manufacturer
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56:
55:
49:
46:
43:
42:
38:
33:
28:
19:
748:
621:
612:
603:
600:"Prototypes"
594:
582:. Retrieved
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568:
556:. Retrieved
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537:
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478:
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430:
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278:Villacoublay
273:
271:
259:
231:machine guns
216:
157:
117:
107:
105:
96:Number built
504:L'Aérophile
400:Performance
385:Propellers:
371:Powerplant:
268:Development
249:, separate
153:V-12 engine
145:Wibault 260
30:WEL-80 R.2
769:Categories
457:References
344:Wing area:
262:oleo strut
125:Breguet 33
622:Les Ailes
604:Les Ailes
540:(552): 3.
538:Les Ailes
391:, metal,
387:2-bladed
355:R.A.F. 28
300:Data from
251:elevators
243:tailplane
239:empennage
235:propeller
227:stringers
200:duralumin
186:and were
121:Amiot 130
79:Designer
785:Biplanes
445:Armament
247:balanced
219:radiator
208:fuselage
192:ailerons
168:dihedral
141:Potez 37
584:18 June
558:18 June
351:Airfoil
338:Height:
320:Length:
285:plywood
223:cowling
202:N-form
176:cockpit
164:stagger
82:Lepère
749:WEL-80
744:WEL-52
739:WEL-50
734:WEL-10
413:Range:
389:Ratier
114:Design
63:France
718:W-231
713:W-210
708:W-201
703:W-200
698:W-131
693:W-130
688:W-100
314:Crew:
184:spars
180:dural
172:chord
166:, no
90:1931
44:Role
683:W-66
586:2016
560:2016
379:V-12
373:1 ×
106:The
678:W-1
483:147
316:Two
255:fin
123:,
771::
620:.
602:.
576:.
536:.
516:^
508:39
506:.
502:.
491:^
481:.
477:.
464:^
155:.
143:,
139:,
135:,
131:,
127:,
100:2
654:e
647:t
640:v
588:.
562:.
353::
20:)
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