316:
28:
207:
to accommodate the pilot who sat, with a navigator beside him, sitting over the engine. The rear of the fuselage had a triangle cross section to improve the gunner's fields of fire from hatches located near each lower wing root which permitted them to cover the underside of the tail. Bomb aiming was
187:
To carry the heavy torpedo weighing over 2,000 lb (910 kg) for the required range, the
Cubaroo was massive. With a wingspan of 88 ft 0 in (26.82 m), it was claimed at the time to be the largest single-engine military aircraft built, and it had the most powerful aircraft
208:
accomplished through a hatch in the floor of the cabin that also contained radio equipment and a navigational chart table. A passage ran aft to a ladder, which led up to another gunner's position, with a gun ring mounted on top of the fuselage just aft of the wing trailing edge.
233:
policy favouring twin-engine designs for the role, a new specification, 16/22 was drawn up, and the type was not ordered into service. Although drawings were made for three different versions with two engines, none of these were built.
179:
to a revised 16/22 specification which differed mainly in calling for two engines. The Ava was also a large biplane, but powered by two 600 hp (450 kW) 2,137.5 cu in (35.027 L)
226:
attached to the lower wings, each comprising two sets of two 4 ft (1.2 m) diameter Palmer wheels, with the torpedo or bombs being carried on a crutch under the fuselage, between them.
1258:
246:) flew in secrecy in the summer of 1924, proving to have good handling characteristics, with the engine not causing problems, as the Napier Cub had already been test flown in an
258:
but was written off after its undercarriage collapsed on 2 February 1925. A second prototype flew in 1925, but the Air
Ministry had by then lost interest in single-engine
153:, which was at the time was thought capable of sinking the most heavily armoured warships. Previous torpedo bombers had used smaller, less capable torpedoes.
263:
149:, for a long-range torpedo bomber with a range of over 800 mi (1,300 km) and the ability to carry a full size 21 in (533 mm) naval
888:
219:
consisted of three balanced rudders, with the outer two having small fins, and an adjustable biplane horizontal stabilizer with a balanced elevator.
853:
838:
798:
215:, two-bay wings had dihedral, and semi-circular wing tips, with inset unbalanced ailerons on all four wings running for about half the span. The
717:
1248:
1243:
1263:
142:
546:
710:
262:, so the second prototype was used as an engine testbed, flying with the experimental 1,100 hp (820 kW)
129:, the Cubaroo was claimed to be the largest single-engined aircraft in the world at the time of its first flight.
565:
1238:
703:
303:
Unbuilt 1927 project, powered with two 650 hp (480 kW) direct-drive V-12 Rolls-Royce Condor IV
922:
917:
528:"The Blackburn-Napier "Cubaroo" A Long-Distance Torpedo-'Plane with 1,000 H.P, Napier "Cub" Engine".
1157:
297:
Unbuilt 1927 project, powered with two 650 hp (480 kW) geared V-12 Rolls-Royce Condor III
211:
The 88 ft 0 in (26.82 m) span, 11 ft 6 in (3.51 m) constant chord
927:
358:
48:
962:
255:
251:
203:
The
Cubaroo, with a mainly steel tube metal structure, had an 11 ft (3.4 m) deep
8:
1207:
1202:
1197:
1097:
1047:
898:
883:
828:
823:
818:
803:
1172:
1162:
1057:
1042:
1032:
1017:
952:
893:
873:
868:
773:
726:
288:
281:
Both prototypes as built, powered with one 1,000 hp (750 kW) X-16 Napier Cub.
181:
175:
submitted and then withdrew their similarly powered Type 556, and replaced it with the
122:
53:
1253:
1187:
1167:
1027:
1022:
972:
937:
932:
743:
561:
542:
437:
1,800 mi (2,900 km, 1,600 nmi) under test conditions, without warload.
1217:
1147:
1132:
1072:
1002:
997:
947:
942:
758:
287:
Unbuilt 1927 project, powered with two 650 hp (480 kW) direct-drive V-12
1142:
1137:
1122:
1112:
1067:
1052:
987:
977:
793:
763:
328:
81:
1182:
1127:
1107:
1102:
1087:
1082:
1077:
1062:
878:
863:
858:
848:
843:
833:
813:
808:
783:
778:
321:
247:
188:
engine then available, the Napier Cub, which weighed over a ton, excluding the
118:
164:
powered by a 1,000 hp (750 kW) 3,681 cu in (60.32 L)
1232:
1192:
1177:
1007:
992:
967:
788:
768:
753:
748:
266:
499:
464:
259:
230:
223:
212:
196:, had a curved radiator ahead of the engine in the nose, while the second,
176:
138:
404:
165:
470:, in mid-fuselage gunner's cockpit, and at hatches at lower wing roots
156:
Blackburn
Aircraft's chief designer, Major F. A Bumpus, submitted the
695:
467:
216:
407:
204:
189:
168:
27:
161:
150:
126:
115:
532:. Vol. XVI, no. 818. 28 August 1924. pp. 537–539.
250:. It was then fitted with a metal, three-blade adjustable-pitch
143:
Specification 8/21 (previously
Directorate of Research type IX)
519:"Blackburn Aircraft: A Tribute to a great Yorkshire family".
523:. Vol. 78, no. 2633. 1 May 1959. pp. 602–613.
172:
1259:
Cancelled military aircraft projects of the United
Kingdom
222:
To carry the torpedo, the
Cubaroo was fitted with a split
560:. London: Putnam Aeronautical Books. pp. 155–156.
410:
water-cooled piston engine, 1,000 hp (750 kW)
125:
and intended to carry a large 21 in (533 mm)
494:
Aircraft of comparable role, configuration, and era
1230:
711:
671:
669:
667:
665:
653:
646:
644:
642:
640:
638:
628:
626:
589:
587:
585:
684:Flight International, 1 May 1959, p.602–613
678:
541:. Naval Institute Press. pp. 183–188.
480:1 × 21 in (533 mm) naval torpedo
335:
718:
704:
662:
635:
623:
582:
431:115 mph (185 km/h, 100 kn)
132:
614:
607:
605:
603:
601:
599:
536:
1231:
725:
397:Just under 2 long tons (2,000 kg)
237:
699:
555:
331:- evaluation and engine testbed only.
596:
484:4 × 550 lb (250 kg) bombs
416:2 or 3-bladed fixed-pitch propeller
373:88 ft 0 in (26.82 m)
367:54 ft 0 in (16.46 m)
13:
379:19 ft 4 in (5.89 m)
14:
1275:
691:
254:and was delivered for testing at
242:The first prototype (with serial
147:Coastal Defence Torpedo Aeroplane
314:
26:
1249:Single-engined tractor aircraft
512:
391:19,020 lb (8,627 kg)
343:The British Bomber since 1914
1:
1244:1920s British bomber aircraft
558:The British Bomber since 1914
539:Blackburn Aircraft since 1909
507:
450:11,800 ft (3,600 m)
385:9,632 lb (4,369 kg)
229:Due to the change of British
1264:Aircraft first flown in 1924
1154:Fighters and Strike fighters
575:
361:/gunner and midships gunner)
307:
7:
488:
272:
10:
1280:
923:Blackburn Second Monoplane
914:Touring and light aircraft
465:.303 in (7.7 mm)
918:Blackburn First Monoplane
907:
734:
659:Jackson, 1990, pp.186-187
556:Mason, Francis K (1994).
100:
95:
87:
77:
69:
59:
47:
39:
34:
25:
20:
336:Specifications (Cubaroo)
114:was a British prototype
611:Mason, 1994, pp.155-156
348:General characteristics
121:of the 1920s. Built by
537:Jackson, A.J. (1989).
160:, which was a massive
133:Design and development
357:4 (pilot, navigator,
192:. The first example,
158:Blackburn T.4 Cubaroo
137:In 1921, the British
112:Blackburn T.4 Cubaroo
675:Jackson, 1990, p.187
650:Jackson, 1990, p.184
632:Jackson, 1990, p.185
593:Jackson, 1990, p.183
521:Flight International
256:RAF Martlesham Heath
1039:Maritime patrol/ASW
389:Max takeoff weight:
294:T.4B Cubaroo Mk.III
238:Operational history
145:to Blackburn for a
35:General information
1239:Blackburn aircraft
620:Mason, 1994, p.156
300:T.4C Cubaroo Mk.IV
289:Rolls Royce Condor
284:T.4A Cubaroo Mk.II
200:, had a flat one.
182:Rolls-Royce Condor
123:Blackburn Aircraft
54:Blackburn Aircraft
1226:
1225:
1028:C.A.15C Monoplane
448:Absolute ceiling:
108:
107:
1271:
720:
713:
706:
697:
696:
685:
682:
676:
673:
660:
657:
651:
648:
633:
630:
621:
618:
612:
609:
594:
591:
571:
552:
533:
524:
458:
424:
350:
320:
318:
317:
278:T.4 Cubaroo Mk.I
264:Beardmore Simoon
30:
18:
17:
1279:
1278:
1274:
1273:
1272:
1270:
1269:
1268:
1229:
1228:
1227:
1222:
1094:Torpedo bombers
1023:C.A.15C Biplane
903:
736:
730:
724:
694:
689:
688:
683:
679:
674:
663:
658:
654:
649:
636:
631:
624:
619:
615:
610:
597:
592:
583:
578:
568:
549:
527:
518:
515:
510:
491:
459:
454:
444:
420:
346:
338:
329:Royal Air Force
315:
313:
310:
275:
240:
135:
82:Royal Air Force
65:
12:
11:
5:
1277:
1267:
1266:
1261:
1256:
1251:
1246:
1241:
1224:
1223:
1221:
1220:
1215:
1211:
1210:
1205:
1200:
1195:
1190:
1185:
1180:
1175:
1170:
1165:
1160:
1158:Twin Blackburn
1155:
1151:
1150:
1145:
1140:
1135:
1130:
1125:
1120:
1115:
1110:
1105:
1100:
1095:
1091:
1090:
1085:
1080:
1075:
1070:
1065:
1060:
1055:
1050:
1045:
1040:
1036:
1035:
1030:
1025:
1020:
1015:
1011:
1010:
1005:
1000:
995:
990:
985:
981:
980:
975:
970:
965:
960:
956:
955:
950:
945:
940:
935:
930:
925:
920:
915:
911:
909:
905:
904:
902:
901:
896:
891:
886:
881:
876:
871:
866:
861:
856:
851:
846:
841:
836:
831:
826:
821:
816:
811:
806:
801:
796:
791:
786:
781:
776:
771:
766:
761:
756:
751:
746:
740:
738:
732:
731:
723:
722:
715:
708:
700:
693:
692:External links
690:
687:
686:
677:
661:
652:
634:
622:
613:
595:
580:
579:
577:
574:
573:
572:
566:
553:
548:978-0870210242
547:
534:
525:
514:
511:
509:
506:
503:
502:
490:
487:
486:
485:
472:
471:
452:
451:
445:
438:
432:
429:Maximum speed:
418:
417:
411:
398:
395:Fuel capacity:
392:
386:
380:
374:
368:
362:
337:
334:
333:
332:
322:United Kingdom
309:
306:
305:
304:
301:
298:
295:
292:
285:
282:
279:
274:
271:
248:Avro Aldershot
239:
236:
184:V-12 engines.
134:
131:
119:torpedo bomber
106:
105:
102:
98:
97:
93:
92:
89:
85:
84:
79:
75:
74:
71:
67:
66:
63:
61:
57:
56:
51:
45:
44:
43:Torpedo Bomber
41:
37:
36:
32:
31:
23:
22:
9:
6:
4:
3:
2:
1276:
1265:
1262:
1260:
1257:
1255:
1252:
1250:
1247:
1245:
1242:
1240:
1237:
1236:
1234:
1219:
1216:
1213:
1212:
1209:
1206:
1204:
1201:
1199:
1196:
1194:
1191:
1189:
1186:
1184:
1181:
1179:
1176:
1174:
1173:2F.1 Nautilus
1171:
1169:
1166:
1164:
1161:
1159:
1156:
1153:
1152:
1149:
1146:
1144:
1141:
1139:
1136:
1134:
1131:
1129:
1126:
1124:
1121:
1119:
1116:
1114:
1111:
1109:
1106:
1104:
1101:
1099:
1096:
1093:
1092:
1089:
1086:
1084:
1081:
1079:
1076:
1074:
1071:
1069:
1066:
1064:
1061:
1059:
1056:
1054:
1051:
1049:
1046:
1044:
1041:
1038:
1037:
1034:
1031:
1029:
1026:
1024:
1021:
1019:
1016:
1013:
1012:
1009:
1006:
1004:
1001:
999:
996:
994:
991:
989:
986:
983:
982:
979:
976:
974:
971:
969:
966:
964:
961:
958:
957:
954:
951:
949:
946:
944:
941:
939:
936:
934:
931:
929:
926:
924:
921:
919:
916:
913:
912:
910:
906:
900:
897:
895:
892:
890:
887:
885:
882:
880:
877:
875:
872:
870:
867:
865:
862:
860:
857:
855:
852:
850:
847:
845:
842:
840:
837:
835:
832:
830:
827:
825:
822:
820:
817:
815:
812:
810:
807:
805:
802:
800:
797:
795:
792:
790:
787:
785:
782:
780:
777:
775:
772:
770:
767:
765:
762:
760:
757:
755:
752:
750:
747:
745:
742:
741:
739:
733:
728:
721:
716:
714:
709:
707:
702:
701:
698:
681:
672:
670:
668:
666:
656:
647:
645:
643:
641:
639:
629:
627:
617:
608:
606:
604:
602:
600:
590:
588:
586:
581:
569:
563:
559:
554:
550:
544:
540:
535:
531:
526:
522:
517:
516:
505:
501:
498:
497:
496:
495:
483:
479:
478:
477:
476:
469:
466:
462:
461:
460:
457:
449:
446:
442:
439:
436:
433:
430:
427:
426:
425:
423:
415:
412:
409:
406:
402:
399:
396:
393:
390:
387:
384:
383:Empty weight:
381:
378:
375:
372:
369:
366:
363:
360:
356:
353:
352:
351:
349:
344:
342:
330:
327:
326:
325:
324:
323:
302:
299:
296:
293:
290:
286:
283:
280:
277:
276:
270:
268:
267:diesel engine
265:
261:
260:heavy bombers
257:
253:
249:
245:
235:
232:
227:
225:
224:undercarriage
220:
218:
214:
209:
206:
201:
199:
195:
191:
185:
183:
178:
174:
170:
167:
163:
159:
154:
152:
148:
144:
140:
130:
128:
124:
120:
117:
113:
103:
99:
94:
90:
86:
83:
80:
76:
72:
68:
62:
58:
55:
52:
50:
46:
42:
38:
33:
29:
24:
19:
16:
1117:
928:White Falcon
737:designations
735:Manufacturer
680:
655:
616:
557:
538:
529:
520:
513:Bibliography
504:
500:Avro 557 Ava
493:
492:
481:
474:
473:
455:
453:
447:
440:
434:
428:
421:
419:
413:
400:
394:
388:
382:
376:
370:
364:
354:
347:
345:
340:
339:
312:
311:
243:
241:
231:Air Ministry
228:
221:
210:
202:
197:
193:
186:
177:Avro 557 Ava
157:
155:
146:
139:Air Ministry
136:
111:
109:
101:First flight
88:Number built
78:Primary user
49:Manufacturer
15:
1148:BT.1 Beagle
1118:T.4 Cubaroo
963:Bluebird IV
422:Performance
414:Propellers:
401:Powerplant:
169:X-16 engine
21:T.4 Cubaroo
1233:Categories
1143:TR.1 Sprat
1133:T.8 Baffin
567:0851778615
508:References
468:Lewis Guns
441:Endurance:
405:Napier Cub
359:bomb-aimer
166:Napier Cub
64:F A Bumpus
1208:Buccaneer
1203:Firecrest
1198:Firebrand
1138:T.9 Shark
1123:T.5 Ripon
1113:T.3 Velos
1103:T.1 Swift
1098:Blackburd
1048:Blackburn
1014:Transport
727:Blackburn
576:Citations
371:Wingspan:
341:Data from
308:Operators
252:propeller
217:empennage
73:Prototype
1254:Biplanes
1163:Triplane
1108:T.2 Dart
1058:Kangaroo
1043:Airedale
1033:Beverley
1018:H.S.T.10
953:Bluebird
729:aircraft
489:See also
456:Armament
443:10 hours
273:Variants
205:fuselage
190:radiator
60:Designer
1188:Lincock
1168:Turcock
984:Bombers
973:Mercury
959:Trainer
938:Sidecar
933:Segrave
908:By role
377:Height:
365:Length:
213:folding
162:biplane
151:torpedo
141:issued
127:torpedo
116:biplane
96:History
1218:Pellet
1214:Racers
1073:Sydney
1003:Beagle
998:Baffin
948:Type I
943:Type D
564:
545:
530:Flight
435:Range:
319:
70:Status
1068:Perth
1053:Botha
988:Velos
978:Sprat
899:B-108
894:B-107
889:B-104
884:B-103
879:B-102
874:B-101
869:B-100
355:Crew:
1183:Skua
1088:B-88
1083:B-54
1078:B-20
1063:Iris
864:B-95
859:B-94
854:B-90
849:B-89
844:B-88
839:B-67
834:B-54
829:B-48
824:B-46
819:B-45
814:B-44
809:B-40
804:B-37
799:B-29
794:B-26
789:B-25
784:B-24
779:B-20
562:ISBN
543:ISBN
463:3 ×
408:X-16
403:1 ×
244:N166
198:N167
194:N166
173:Avro
110:The
104:1924
40:Type
1193:Roc
1178:F.3
1128:T.7
1008:B-7
993:B-3
968:B-2
774:B-9
769:B-7
764:B-6
759:B-5
754:B-3
749:B-2
744:B-1
475:and
1235::
664:^
637:^
625:^
598:^
584:^
482:or
291:IV
269:.
171:.
719:e
712:t
705:v
570:.
551:.
91:2
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
