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Wibault 12 Sirocco

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323: 37: 159:, following it through the Avions Marcel Wibault works with less than a month between their maiden flights. They were externally very similar but the more refined structure of the Wib 12 made it both stronger and 12% lighter than its predecessor. One major change was the replacement of the Wib 8's box 286:
When the Service Technique de l'Aéronautique (S.T.Aé, Technical Department of Aeronautics) cancelled the two seat fight specification in 1926, further development by Wibault also ended; though the Wib 121 went on a sales demonstration in
267:(the first and second prototypes) were both flown for the first time in May 1926. The latter was about 8% faster in a climb to 4,000 m (13,125 ft) than the heavier Wib 8. The third aircraft, the 283:. To avoid the central bank of cylinders the Vickers guns were moved from the fuselage top to the sides. Its test programme was interrupted by continual engine overheating problems. 480: 249: 291:
in 1928, no orders were gained. Instead, the company tried to develop the design into a two-seat Army cooperation reconnaissance aircraft. The
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The Wib 12 Sirocco, a single engine, two seat, parasol wing fighter was a structurally much revised development of the similarly configured
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type as used by the Wib 8, was totally enclosed and drove a two blade propeller. It was cooled by a retractable, half-cylindrical
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with mainwheels on a split axle attached to the fuselage underside, supported by a pair of V-struts; there was a small tailskid.
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Army co-operation version. No wing guns and only one synchronised Vickers gun in upper fuselage but a ventral Lewis gun added.
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aircraft, with whom Wibault shared patents and collaborative designs. They fitted it with a 410 kW (550 hp) W-12
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on the fuselage underside at the back of the engine. Behind the engine the fuselage was flat sided. The fighter had a fixed
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and covered with narrow aluminium strips applied longitudinally. The parasol wing was straight edged and of constant
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but in external detail was closest to the Wib 8. It was an all-metal aircraft, the structure mostly
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The general design followed that of Wibault's family of single- and two-seat fighters, the
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on each side which met the wing at about mid-span. The Wib 12 had a new pair of
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from the main wing struts to the wing underside for strengthening. There were
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had its armament modified, having no wing guns and only one fuselage mounted
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was mounted towards the top of the fuselage, together with an angular
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The Wib 12's engine, the same 500 hp (373 kW) water-cooled
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and two Army co-operation variants. There was no series production.
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in the 1920s. Three fighter prototypes were completed, one for the
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0.196 kW/kg (0.119 hp/lb) with 410 kW (550 hp)
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The Complete Book of Fighters, Jane's all the World's Aircraft 1928
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242 km/h (150 mph, 131 kn) at 3,000 m (9,840 ft)
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C=Chasseur (fighter); A=Army; 2=two-seater. One of each only.
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arc; in addition the rear cockpit was fitted with a pair of
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water-cooled upright V-12, 370 kW (500 hp) (
663:(2nd ed.). London: Putnam. pp. 209, 515. 635:. Godalming, UK: Salamander Books. pp. 596–7. 337:First prototype, fuselage and rear seat guns only. 326:Wibault 12 photo from L'Aéronautique October,1927 218:fixed to the fuselage fired forwards through the 998: 630: 403: 759: 658: 565:2×7.7 mm (0.303 in) unsynchronised 631:Green, William; Swanborough, Gordon (1994). 302:, but with an added ventral Lewis gun. The 306:had the same armament but was powered by a 766: 752: 530:70.5 kg/m (14.4 lb/sq ft) ( 379:\the single Wib 122 Sirocco C.2 built for 654: 652: 626: 624: 622: 620: 618: 616: 614: 612: 610: 534:70.5 kg/m (14.4 lb/sq ft)) 706: 704: 682: 680: 321: 725: 369:500 hp (373 kW) water-cooled 310:500 hp (373 kW) water-cooled 14: 999: 649: 607: 747: 701: 677: 524:14.15 min 33 s to 4,000 m (13,125 ft) 210:to enhance his visibility. A pair of 206:cut-out in the wing over the pilot's 734:Jane's all the World's Aircraft 1928 731: 453:29.63 m (318.9 sq ft) 431:9.44 m (31 ft 0 in) ( 441:12.66 m (41 ft 6 in) 314:engine. Again, no orders resulted. 24: 659:Andrews, CF; Morgan, E.B. (1988). 447:3.15 m (10 ft 4 in) 343:Second prototype, wing guns added. 25: 1033: 582:firing through the propeller arc. 569:firing outside the propeller arc. 373:engine, same armament as Wib 124. 387:. Vickers referred to it as the 35: 1022:Single-engined tractor aircraft 497:2-bladed fixed pitch peropeller 469:2,050 kg (4,519 lb) ( 459:1,212 kg (2,672 lb) ( 774:Aircraft designed or built by 588:2×7.7 mm (0.303 in) 575:2×7.7 mm (0.303 in) 463:1,234 kg (2,721 lb)) 13: 1: 1012:1920s French fighter aircraft 633:The Complete Book of Fighters 600: 518:6,200 m (20,300 ft) 473:2,085 m (6,841 ft)) 404:Specifications (Wib 121 C.2) 214:7.7 mm (0.303 in) 7: 661:Vickers Aircraft since 1908 435:9.09 m (29.8 ft)) 365:Army co-operation version. 317: 10: 1038: 487:410 kW (550 hp) 349:One aircraft built as the 279:engine and knew it as the 258:conventional undercarriage 968: 782: 226:of the same calibre on a 150: 43: 34: 29: 732:Grey, C.G., ed. (1928). 202:over the fuselage and a 190:with a pair of parallel 163:with ones of I-section. 416:General characteristics 327: 186:, braced to the lower 139:designed and built in 78:Avions Michel Wibault 44:Wib 122 (Vickers 127) 1007:Parasol-wing aircraft 976:Vickers Wibault Scout 325: 580:Vickers machine guns 216:Vickers machine guns 885:Wibault 170 Tornade 346:Wib 122 Sirocco C.2 340:Wib 121 Sirocco C.2 300:Vickers machine gun 263:The Wib 12 and the 590:Lewis machine guns 567:Darne machine guns 481:Hispano-Suiza 12Hb 334:Wib 12 Sirocco C.2 328: 250:Hispano-Suiza 12Hb 126:Wibault 12 Sirocco 994: 993: 522:Time to altitude: 122: 121: 16:(Redirected from 1029: 1017:Wibault aircraft 830:Wibault 8 Simoun 768: 761: 754: 745: 744: 738: 737: 729: 723: 722: 720: 718: 708: 699: 698: 696: 694: 684: 675: 674: 656: 647: 646: 628: 557: 516:Service ceiling: 505: 418: 389:Vickers Type 127 376:Vickers Type 127 351:Vickers Type 127 281:Vickers Type 127 137:fighter aircraft 132:was a two-seat, 117:Wibault 8 Simoun 113: 103: 65: 57:Type of aircraft 54:fighter aircraft 39: 27: 26: 21: 1037: 1036: 1032: 1031: 1030: 1028: 1027: 1026: 997: 996: 995: 990: 986:Vickers Viastra 969:Vickers-Wibault 964: 875:Wib 125 Sirocco 870:Wib 124 Sirocco 860:Wib 122 Sirocco 855:Wib 121 Sirocco 778: 772: 742: 741: 730: 726: 716: 714: 710: 709: 702: 692: 690: 686: 685: 678: 671: 657: 650: 643: 629: 608: 603: 558: 553: 501: 414: 406: 320: 153: 111: 101: 64:National origin 63: 58: 30:Wib 12 Sirocco 23: 22: 15: 12: 11: 5: 1035: 1025: 1024: 1019: 1014: 1009: 992: 991: 989: 988: 983: 978: 972: 970: 966: 965: 963: 962: 957: 952: 947: 942: 937: 932: 927: 922: 917: 912: 907: 902: 897: 892: 887: 882: 880:Wib 130 Trombe 877: 872: 867: 862: 857: 852: 850:Wib 12 Sirocco 847: 842: 837: 832: 827: 822: 817: 812: 807: 802: 797: 792: 786: 784: 780: 779: 771: 770: 763: 756: 748: 740: 739: 724: 700: 676: 669: 648: 641: 605: 604: 602: 599: 598: 597: 583: 570: 551: 550: 548:Napier Lion XI 535: 525: 519: 513: 510:Maximum speed: 499: 498: 492: 489:Napier Lion XI 474: 464: 454: 448: 442: 436: 426: 405: 402: 401: 400: 385:Napier Lion XI 377: 374: 363: 360: 357: 354: 347: 344: 341: 338: 335: 319: 316: 277:Napier Lion XI 271:was built for 152: 149: 130:Wib 12 Sirocco 120: 119: 114: 112:Developed from 108: 107: 104: 98: 97: 94: 90: 89: 87:Michel Wibault 84: 80: 79: 76: 72: 71: 66: 60: 59: 56: 50: 46: 45: 41: 40: 32: 31: 9: 6: 4: 3: 2: 1034: 1023: 1020: 1018: 1015: 1013: 1010: 1008: 1005: 1004: 1002: 987: 984: 982: 981:Vickers Vireo 979: 977: 974: 973: 971: 967: 961: 958: 956: 953: 951: 948: 946: 943: 941: 938: 936: 933: 931: 928: 926: 923: 921: 918: 916: 913: 911: 908: 906: 903: 901: 898: 896: 893: 891: 888: 886: 883: 881: 878: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 851: 848: 846: 843: 841: 838: 836: 833: 831: 828: 826: 823: 821: 818: 816: 813: 811: 808: 806: 803: 801: 798: 796: 793: 791: 788: 787: 785: 783:Wibault built 781: 777: 769: 764: 762: 757: 755: 750: 749: 746: 735: 728: 713: 712:"Wibault 125" 707: 705: 689: 688:"Wibault 124" 683: 681: 672: 670:0 85177 815 1 666: 662: 655: 653: 644: 642:1-85833-777-1 638: 634: 627: 625: 623: 621: 619: 617: 615: 613: 611: 606: 595: 591: 587: 586:Rear cockpit: 584: 581: 578: 574: 573:Fuselage guns 571: 568: 564: 561: 560: 559: 556: 549: 545: 542: 540: 536: 533: 529: 528:Wing loading: 526: 523: 520: 517: 514: 511: 508: 507: 506: 504: 496: 493: 490: 486: 482: 478: 475: 472: 468: 467:Gross weight: 465: 462: 458: 457:Empty weight: 455: 452: 449: 446: 443: 440: 437: 434: 430: 427: 424: 421: 420: 419: 417: 412: 410: 398: 394: 390: 386: 382: 378: 375: 372: 368: 364: 361: 358: 355: 352: 348: 345: 342: 339: 336: 333: 332: 331: 324: 315: 313: 309: 305: 301: 298: 294: 290: 284: 282: 278: 274: 270: 266: 261: 259: 255: 251: 248: 243: 241: 237: 233: 229: 225: 221: 217: 213: 209: 205: 204:trailing edge 201: 200:cabane struts 197: 193: 189: 185: 181: 177: 173: 169: 164: 162: 158: 148: 146: 142: 138: 135: 131: 127: 118: 115: 110: 109: 105: 100: 99: 95: 93:First flight 92: 91: 88: 85: 82: 81: 77: 75:Manufacturer 74: 73: 70: 67: 62: 61: 55: 51: 48: 47: 42: 38: 33: 28: 19: 874: 869: 859: 854: 849: 733: 727: 715:. 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A braced 212:synchronised 174:, Wib 8 and 165: 157:Wib 8 Simoun 154: 134:parasol wing 129: 125: 123: 102:Number built 594:Scarff ring 503:Performance 495:Propellers: 477:Powerplant: 362:Wib 125 A.2 356:Wib 124 A.2 228:Scarff ring 196:jury struts 18:Wibault 122 1001:Categories 601:References 563:Wing guns: 539:Power/mass 451:Wing area: 224:Lewis guns 935:Wib 360T5 845:Wib 10/II 439:Wingspan: 409:Data from 232:tailplane 220:propeller 180:Duralumin 96:May 1926 83:Designer 52:Two seat 925:Wib 283T 920:Wib 282T 915:Wib 281T 910:Wib 280T 555:Armament 318:Variants 254:radiator 188:fuselage 960:Wib 368 955:Wib 367 950:Wib 366 945:Wib 365 940:Wib 362 930:Wib 313 905:Wib 260 900:Wib 240 895:Wib 220 890:Wib 210 865:Wib 123 776:Wibault 544:122 C.2 532:122 C.2 485:122 C.2 471:122 C.2 461:122 C.2 445:Height: 433:122 C.2 429:Length: 381:Vickers 304:Wib 125 293:Wib 124 273:Vickers 269:Wib 122 265:Wib 121 208:cockpit 840:Wib 10 825:Wib 74 820:Wib 73 815:Wib 72 810:Wib 71 667:  639:  391:; its 289:Turkey 240:rudder 192:struts 151:Design 141:France 69:France 835:Wib 9 805:Wib 7 800:Wib 3 795:Wib 2 790:Wib 1 717:1 May 693:1 May 592:on a 491:W-12) 423:Crew: 397:J9029 184:chord 176:Wib 9 172:Wib 7 168:Wib 3 161:spars 49:Role 719:2013 695:2013 665:ISBN 637:ISBN 479:1 × 371:V-12 312:V-12 247:V-12 238:and 124:The 425:One 393:RAF 236:fin 145:RAF 128:or 1003:: 703:^ 679:^ 651:^ 609:^ 242:. 170:, 106:3 767:e 760:t 753:v 721:. 697:. 673:. 645:. 596:. 541:: 399:. 353:. 20:)

Index

Wibault 122

fighter aircraft
France
Michel Wibault
Wibault 8 Simoun
parasol wing
fighter aircraft
France
RAF
Wib 8 Simoun
spars
Wib 3
Wib 7
Wib 9
Duralumin
chord
fuselage
struts
jury struts
cabane struts
trailing edge
cockpit
synchronised
Vickers machine guns
propeller
Lewis guns
Scarff ring
tailplane
fin

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