601:, and while top speed and rate of climb did not meet expectations, the aircraft excelled in every other way. However, its performance was not up to Roe's expectations, and a second example was built, modified to take the much lighter 50 hp (37 kW) Gnome air-cooled rotary engine. This first flew on 8 May 1912, and a height of 2,000 ft (610 m) was reached in five minutes. The next day the aircraft was flown from Brooklands to
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motor was fitted and on 10 March 1912 Duigan, flying solo managed some long, straight flights in his too-evidently underpowered machine. Some intensive engine tuning, together with a new propeller resulted in more success that April, with solo circuits, figures of eight, and an hour-long series of
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axle whose wheels had the refinement of covered spokes, and under this a single long skid supported by a second V-strut below the trailing edge and a single strut from the extreme nose of the aircraft. The tailplane was steel framed, with a rectangular fixed stabiliser and elevator and rudder.
291:
had first flown in April 1911. The Avro Duigan was a major refinement of this fundamentally successful aircraft. It had a square rather than triangular cross section fuselage, simplifying construction and allowing the crew seats to be lower down, giving more protection. The wings were supported
174:
engine. Both were two-bay tractor biplanes with unstaggered parallel-chord wings with rounded tips, a deep rectangular section fuselage bearing rectangular steel-framed stabilisers, elevators and rudder with no fixed fin, and an undercarriage with a pair of wheels on a transverse
305:
Other details were as previous aircraft. The fuselage was constructed of wire-braced ash metal covered forward of the cockpits. The observer sat in front with the pilot sitting behind the cut away trailing edge, an arrangement which positioned the front cockpit close to the
641:). The first prototype was destroyed in a crash on 29 June 1913 that killed its student pilot. Avro 500s were flown by the British armed forces during the first years of the war, mostly as trainers. In service, most were fitted with ailerons and a revised rudder.
605:, covering the 17 miles (28 km) in 20 minutes. The same day it demonstrated its ability to meet the requirements laid down by the War Office in the requirements for a "Military Aircraft" that had been published in connection with the forthcoming
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321:. A sprung tailskid was mounted below the rudder and small hoops were fitted below the outer interplane struts to protect the wingtips. The aircraft had dual controls and was fitted with small "Cellon" window to improve downward vision.
637:(paid for by public subscription), one kept by Avro as a company demonstrator, and one bought by a private individual, J. Laurence Hall, which was commandeered by the War Office at the outbreak of
3207:
948:
Lopes, Mario C. (November 1999). "Les avions Avro au
Portugal: des inconnu aux plus célèbres" [Portuguese Avro Aircraft: From the Unknown to the Most Famous].
367:
in
October 1912, powered by a 50 h (37 kW ) Gnome engine. In this form, it performed well. The slightly larger Avro 500, powered by a 60 hp (45 kW)
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and a long central skid projecting forward of the propeller. This aircraft layout dominated aircraft design for twenty years: the Avro 500 and the contemporary
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V-8 motor. Both were water-cooled engines, with pairs of large coiled tube radiators positioned parallel to the fuselage on either side of the front cockpit.
606:
609:, and the authorities were impressed enough to buy the aircraft and placed an order for two more examples of the aircraft, which Roe now renamed the
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The type proved an immediate success in service, and orders for another four machines plus five single-seat derivatives (designated the
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gives the engine as the 3.48 litre model with a continuous maximum power of 30 hp (22 kW) at 1,200 rpm.
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two-bay wings had ash spars and poplar ribs with the curved ends formed from cane. Lateral control was by
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close to the fuselage. The undercarriage was simpler, a V-strut below the wing leading edge bearing a
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layout, replacing the two and a half bay arrangement of its predecessor, which had a third pair of
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The aircraft was initially powered by a 40 hp (30 kW) two-cylinder horizontally opposed
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circuits at about 500 ft (150 m). Nonetheless, Duigan won his
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as his firm's first truly successful design. It was a forerunner of the
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by Avro) soon followed. Other examples produced included six for the
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made up a family of early
British military aircraft, regarded by
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was the first Avro aircraft type to be built in any quantity.
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The Avro Duigan was single seat tractor biplane built by
356:. His aircraft, without its engine, was sold to the
183:
are among the first truly practical examples built.
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166:was designed in parallel with the slightly earlier
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843:This power may well be a maximum take-off rating:
597:The aircraft was first flown on 3 March 1912 by
743:one seat for observer, instructor, or passenger
328:but soon replaced by a 35 hp (26 kW)
991:
511:4-cylinder water-cooled in-line piston engine
8:
950:Avions: Toute l'Aéronautique et Son Histoire
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292:using an aerodynamically cleaner ordinary
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870:, rated at 35 hp continuous at 1,260 rpm.
287:in 1911. Roe's first biplane design, the
150:, one of the outstanding aircraft of the
3208:1910s British military utility aircraft
967:, File 889 Sheet 92. London: BrightStar
827:
544:61 mph (53 kn; 98 km/h)
532:50 mph (80 km/h, 43 kn)
804:61 mph (98 km/h, 53 kn)
633:, one presented to the government of
7:
755:36 ft 0 in (10.97 m)
517:2-bladed Avro fixed-pitch propeller
437:36 ft 0 in (10.97 m)
408:30 ft 6 in (9.30 m)
335:Trials with the Alvaston engine at
283:for the pioneer Australian aviator
749:29 ft 0 in (8.84 m)
25:
767:330 sq ft (30.7 m)
761:9 ft 9 in (2.97 m)
965:World Aircraft Information Files
673:
651:
567:170 ft/min (0.86 m/s)
199:
37:
3223:Single-engined tractor aircraft
443:330 sq ft (31 m)
810:440 ft/min (2.2 m/s)
607:Military Aeroplane Competition
579:440 ft/min (2.2 m/s)
490:1,300 lb (589.7 kg)
1:
884:. London: Putnam. p. 37.
3228:Aircraft first flown in 1912
478:1,650 lb (748 kg)
461:900 lb (408.2 kg)
449:1,100 lb (499 kg)
779:1,300 lb (590 kg)
3244:
942:British Aircraft 1809-1914
952:(in French) (80): 36–41.
773:900 lb (409 kg)
198:
54:Military utility aircraft
36:
927:Avro Aircraft since 1908
882:Avro Aircraft since 1908
723:Avro Aircraft since 1909
382:Avro Aircraft since 1908
944:. London: Putnam, 1962.
929:. London:Putnam, 1990.
880:Jackson, A..J. (1965).
728:General characteristics
710:Royal Naval Air Service
387:General characteristics
375:Specifications (Type E)
3050:Sports/racing aircraft
850:6 October 2009 at the
789:rotary , 50 hp (37 kW)
420:29 ft (9 m)
360:who rebuilt it as the
127:
350:Aviator's Certificate
285:John Robertson Duigan
126:
2923:& reconnaissance
912:Jackson 1990, p. 38.
903:Jackson 1990, p. 33.
894:Jackson 1990, p. 32.
666:Portuguese Air Force
208:General information
46:General information
703:No. 5 Squadron RFC
698:No. 4 Squadron RFC
693:No. 3 Squadron RFC
688:Royal Flying Corps
358:Lakes Aircraft Co.
144:Alliott Verdon Roe
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868:1/4/1911 page 286
863:This features in
834:Lewis 1962, p.62.
627:British Admiralty
307:centre of gravity
298:interplane struts
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106:Introduction date
16:(Redirected from
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643:
631:Air Department
618:
615:
603:Laffan's Plain
594:
591:
590:
589:
588:
587:
586:
585:
584:
583:
570:
569:
565:Rate of climb:
562:
555:
554:
553:
552:
551:
550:
549:
548:
535:
534:
530:Maximum speed:
519:
518:
512:
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481:
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472:
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411:
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403:
397:
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362:Lakes Sea Bird
275:
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259:
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254:
253:
250:
246:
245:
242:
240:
236:
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226:
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222:
218:
217:
216:2 seat biplane
214:
210:
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205:
204:
196:
195:
188:
185:
159:
156:
119:
118:
115:
111:
110:
107:
103:
102:
98:
97:
94:
90:
89:
87:United Kingdom
84:
80:
79:
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72:
68:
67:
62:
56:
55:
52:
48:
47:
43:
42:
34:
33:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3240:
3229:
3226:
3224:
3221:
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3216:
3214:
3213:Avro aircraft
3211:
3209:
3206:
3205:
3203:
3184:
3181:
3179:
3176:
3174:
3171:
3169:
3166:
3164:
3163:Roe I Biplane
3161:
3159:
3156:
3154:
3151:
3149:
3146:
3144:
3141:
3139:
3136:
3134:
3131:
3129:
3126:
3125:
3123:
3119:
3113:
3110:
3108:
3105:
3103:
3100:
3098:
3095:
3093:
3090:
3088:
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3083:
3080:
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3075:
3073:
3070:
3068:
3065:
3063:
3060:
3058:
3055:
3054:
3052:
3048:
3042:
3041:Tiger Fighter
3039:
3037:
3034:
3032:
3029:
3027:
3024:
3022:
3019:
3017:
3014:
3012:
3009:
3007:
3004:
3002:
2999:
2998:
2996:
2992:
2986:
2983:
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1132:
1130:
1127:
1125:
1122:
1121:
1119:
1113:
1110:
1104:
1098:
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
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1062:
1058:
1052:
1049:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1031:Roe I Biplane
1029:
1028:
1026:
1022:
1019:
1013:
1008:
1001:
996:
994:
989:
987:
982:
981:
978:
971:
966:
963:
959:
955:
951:
946:
943:
939:
936:
935:0-85177-834-8
932:
928:
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923:
919:
909:
906:
900:
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883:
876:
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869:
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837:
831:
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821:
819:
814:
809:
806:
803:
800:
799:
798:
796:
788:
784:
781:
778:
777:Gross weight:
775:
772:
771:Empty weight:
769:
766:
763:
760:
757:
754:
751:
748:
745:
742:
739:
736:
733:
732:
731:
729:
724:
722:
715:
711:
708:
704:
701:
699:
696:
694:
691:
690:
689:
686:
685:
682:
671:
670:
667:
664:
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660:
649:
648:
644:
642:
640:
636:
632:
628:
624:
616:
614:
612:
608:
604:
600:
599:Wilfred Parke
592:
582:
578:
577:
576:
575:
574:
573:
572:
571:
566:
563:
560:
557:
556:
547:
543:
542:
541:
540:
539:
538:
537:
536:
531:
528:
527:
526:
524:
516:
513:
510:
509:E.N.V. Type D
506:
503:
502:
493:
489:
488:
487:
486:
485:
484:
483:
482:
477:
476:Gross weight:
474:
473:
464:
460:
459:
458:
457:
456:
455:
454:
453:
448:
447:Empty weight:
445:
442:
439:
436:
433:
432:
423:
419:
418:
417:
416:
415:
414:
413:
412:
407:
404:
401:
398:
395:
392:
391:
390:
388:
383:
381:
374:
372:
370:
366:
363:
359:
355:
351:
346:
342:
338:
333:
331:
327:
322:
320:
316:
312:
308:
303:
299:
295:
290:
286:
282:
272:
268:
264:
260:
255:
251:
247:
241:
237:
233:
231:
227:
223:
219:
215:
211:
206:
202:
197:
192:
186:
184:
182:
178:
173:
169:
165:
157:
155:
153:
149:
145:
141:
137:
133:
125:
116:
112:
108:
104:
99:
95:
91:
88:
85:
81:
77:
73:
69:
66:
63:
61:
57:
53:
49:
44:
40:
35:
30:
27:
19:
3121:Experimental
2771:Super Trader
2594:
1133:
1123:
1108:designations
1076:
1071:
1060:Type letters
1024:Roe aircraft
1017:designations
964:
949:
941:
926:
920:Bibliography
908:
899:
890:
881:
875:
865:
859:
839:
830:
818:
807:
801:
794:
792:
782:
776:
770:
764:
758:
752:
746:
740:
734:
727:
725:
720:
719:
622:
620:
610:
596:
580:
564:
558:
545:
529:
522:
520:
514:
504:
491:
475:
462:
446:
440:
434:
421:
405:
399:
393:
386:
384:
379:
378:
334:
323:
319:wing warping
315:aspect ratio
278:
262:First flight
249:Number built
230:Manufacturer
161:
139:
135:
131:
129:
117:3 March 1912
114:First flight
93:Number built
83:Primary user
60:Manufacturer
26:
3102:Cabin Cadet
2907:Silver King
2751:Lancastrian
845:this source
795:Performance
783:Powerplant:
639:World War I
523:Performance
515:Propellers:
505:Powerplant:
311:wire-braced
302:leaf-spring
289:Avro Type D
187:Avro Duigan
177:leaf-spring
168:Avro Duigan
162:The Type E
158:Development
132:Avro Type E
18:Avro Duigan
3202:Categories
3112:Water Baby
2980:Shackleton
2970:Arrowscout
2756:Lincolnian
2664:Transports
1150:(wing set)
940:Lewis. P.
822:References
765:Wing area:
559:Endurance:
441:Wing area:
365:floatplane
341:Brooklands
337:Huntingdon
265:March 1912
2882:Lancaster
2862:Aldershot
2731:Commodore
2655:Warregull
2640:Sea Tutor
1629:(skipped)
1106:Numerical
958:1243-8650
753:Wingspan:
741:Capacity:
737:one pilot
721:Data from
645:Operators
435:Wingspan:
400:Capacity:
380:Data from
354:Australia
3218:Biplanes
2994:Fighters
2867:Antelope
2741:Eighteen
2588:Trainers
1621:projects
1117:aircraft
1009:aircraft
848:Archived
815:See also
659:Portugal
635:Portugal
623:Type 502
611:Avro 500
593:Avro 500
581:Avro 500
546:Avro 500
492:Avro 500
463:Avro 500
422:Avro 500
326:Alvaston
281:A.V. Roe
273:Avro 500
270:Variants
243:A.V. Roe
239:Designer
148:Avro 504
140:Type 502
136:Type 500
76:A.V. Roe
71:Designer
32:Avro 500
3107:Popular
3021:Avenger
2887:Lincoln
2877:Buffalo
2825:Bombers
2716:Andover
2650:Prefect
1619:Unbuilt
1077:Type Es
759:Height:
747:Length:
617:Service
561:6 hours
406:Length:
294:two-bay
257:History
164:biplane
101:History
3158:Duigan
3148:Ashton
3036:Spider
3026:Avocet
2985:Wright
2912:Vulcan
2781:Trader
2761:Saloon
2726:Ashton
2630:Athena
1097:Type J
1092:Type H
1087:Type G
1082:Type F
1072:Type E
1067:Type D
956:
933:
866:Flight
678:
656:
369:E.N.V.
345:E.N.V.
343:, the
330:E.N.V.
194:Duigan
172:E.N.V.
138:, and
3153:Burga
3087:Avian
2975:Bison
2965:Anson
2811:XXIII
2786:Tudor
2736:Eight
2721:Anson
2645:Tutor
2635:Cadet
2625:Anson
1115:Built
787:Gnome
735:Crew:
394:Crew:
313:high
181:B.E.1
3097:Baby
3092:Avis
3031:Pike
2902:Pike
2816:York
2806:XXII
2746:Five
2581:Role
2124:685B
1015:Avro
1007:Avro
954:ISSN
931:ISBN
785:1 ×
507:1 ×
213:Type
130:The
109:1912
65:Avro
51:Type
3143:707
3138:576
3133:575
3128:574
3077:560
3072:558
3067:539
3062:538
3057:510
3016:531
3011:530
3006:527
3001:521
2960:541
2955:512
2950:511
2945:510
2940:508
2935:503
2930:501
2872:Ava
2857:730
2852:529
2847:528
2842:522
2837:519
2832:504
2801:XXI
2791:XIX
2776:Ten
2766:Six
2711:748
2706:652
2701:618
2696:553
2691:547
2686:546
2681:542
2676:537
2671:536
2620:552
2615:548
2610:545
2605:540
2600:504
2595:500
2564:784
2559:783
2554:782
2549:781
2544:779
2539:778
2534:777
2529:776
2524:775
2519:774
2514:773
2509:772
2504:771
2499:770
2494:769
2489:768
2484:767
2479:766
2474:765
2469:764
2464:763
2459:762
2454:761
2449:760
2444:759
2439:758
2434:757
2429:756
2424:755
2419:754
2414:753
2409:752
2404:751
2399:750
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