Knowledge (XXG)

SPAD S.XII

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having top priority, and even the modest total of 300 aircraft which were ordered were not all completed. Best estimates are only 20 produced. Average pilots found the SPAD XII a difficult aircraft to master, and the cannon difficult to aim and fire, while manual reloading was difficult. The cockpit
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mounted on the starboard side of the nose. In order to carry the heavy cannon the airframe was lengthened and the wingspan and wing area increased. The wingtips were rounded rather than squared off and the wings given a slight forward stagger. To accommodate the required geared output propshaft
355:. They were distributed one or two per squadron. Few were delivered to combat units, eight being recorded on strength in April and again in October; this may be contrasted with the thousands of SPAD VIIs and SPAD XIIIs in service. Single examples for testing were delivered to the 305:
Test-flown by Guynemer, the early production models of the SPAD XII were highly successful after overcoming initial problems with the reduction gear between engine and propeller. Other aces also had success with the new model. However, deliveries were slow, the SPAD VII and later
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filled with fumes upon every firing. The cannon's breech mechanism protruded into the cockpit and prevented the use of a conventional stick to control the aircraft, adding to pilots' difficulties. The control setup reverted to a split setup on either side of the pilot, a la
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engine with a hollow propeller shaft for the cannon to fire through, and power the airframe, weighing 587 kilograms (1,294 lb) rather than the 500 kilograms (1,100 lb) of the SPAD VII, the 180 bhp
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No units were entirely equipped with SPAD XIIs. The unknown number of aircraft produced were issued in small numbers, intended for use only by the most skilled pilots, such as
247:. BĂ©chereau took his own SPAD VII design as the starting point, but the many major and minor changes incorporated into the SPAD XII made it a quite different aircraft. 239:, who proposed that a manoeuvrable single-seat aircraft be designed to carry a 37 mm cannon, a weapon which had previously been mounted only in large two-seat 157: 285:
to allow the gun to fire through the propeller shaft, avoiding the problem of firing through the moving blades. The SPAD XII also carried a single 0.303 inch
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direct-drive Ab engine was replaced by the geared 220 bhp model 8Cb, which also gave the SPAD XII a
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Cony, Christophe (January 1995). "Le Spad XII Canon (1 partie)" [The Canon-armed SPAD XII].
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The 13th Aero Squadron SPAD S.XII, showing the slight positive stagger of the wings.
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Restored HS.8Ca geared-output engine, similar to the 8Cb used on the SPAD S.XII
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A geared-output shaft HS.8C engine for a SPAD S.XII, showing the elevated
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to clear the 37mm cannon mounted in the "vee" between the cylinder banks.
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receiving the code "0", it was primarily flown by the 13th's
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V-8 water-cooled piston engine, 164 kW (220 hp)
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The Aeroplanes of the Royal Flying Corps (Military Wing)
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Stratford, Connecticut: Flying Machines Press, 1997.
509:- One aircraft only, serving with 13th Aero Squadron. 1199: 1133: 1062: 1053: 956: 232:The SPAD XII was inspired by the ideas of French 645:2,000 m (6,600 ft) 6 minutes 3 seconds 270:The gun chosen for the SPAD XII was not the old 933: 8: 872:Davilla, James J., & Soltan, Arthur M., 858:Avions: Toute l'aĂ©ronautique et son histoire 1059: 940: 926: 918: 789: 787: 807:. Osprey Publishing. pp. 12, 14–15. 627:203 km/h (126 mph, 110 kn) 69:Learn how and when to remove this message 887:Green, William and Swanborough, Gordon. 827:Green and Swanborough 1994, pp. 542–543. 32:This article includes a list of general 874:French Aircraft of the First World War. 717: 222:SociĂ©tĂ© Pour L'Aviation et ses DĂ©rivĂ©s 80: 302:(seen "nose-on") rotating propeller. 7: 904:SPAD XII/XIII aces of World War I. 38:it lacks sufficient corresponding 14: 805:SPAD XII/XIII Aces of World War I 777:SPAD XII/XIII aces of World War I 761:SPAD XII/XIII aces of World War I 745:SPAD XII/XIII aces of World War I 584:20.2 m (217 sq ft) 578:2.55 m (8 ft 4 in) 566:6.4 m (21 ft 0 in) 515: 492: 469: 447: 419: 407: 385: 89: 23: 1277:Single-engined tractor aircraft 572:8 m (26 ft 3 in) 1200:Trainers & sports aircraft 639:6,850 m (22,470 ft) 612:2-bladed fixed-pitch propeller 212:developed from the successful 1: 1257:1910s French fighter aircraft 891:. New York: Smithmark, 1994. 889:The Complete Book of Fighters 545:The Complete Book of Fighters 278:Semi Automatique Moteur Canon 1267:Aircraft first flown in 1917 665:, 1 x .303 in (7.7 mm) 507:American Expeditionary Force 365:American Expeditionary Force 98:A USAAS SPAD S.XII in 1918. 596:883 kg (1,947 lb) 590:587 kg (1,294 lb) 16:French WW1 fighter aircraft 1293: 663:Puteaux single shot cannon 434:Imperial Russian Air Force 951:and BlĂ©riot-SPAD aircraft 906:Osprey Publishing, 2002. 860:(in French) (23): 39–42. 201:was a French single-seat 97: 88: 83: 844:. London: Putnam, 1982. 530:Yugoslav Royal Air Force 220:, chief designer of the 551:General characteristics 341:Fernand Henri Chavannes 53:more precise citations. 537:Specifications (S.XII) 328: 267: 255: 159:AĂ©ronautique Militaire 1063:Fighters & racers 803:Guttman, Jon (2002). 726:"The Cannon Pioneers" 523:Kingdom of Yugoslavia 326: 261: 253: 243:aircraft such as the 175:unknown, 300 ordered 486:- One aircraft only. 793:Bruce 1982, p. 560. 678:Related development 667:Vickers machine gun 373:Charles John Biddle 291:Vickers machine gun 154:Primary users 484:Royal Flying Corps 369:13th Aero Squadron 357:Royal Flying Corps 345:Henri Hay de Slade 329: 268: 256: 1244: 1243: 1240: 1239: 814:978-1-84176-316-3 643:Time to altitude: 633:1 hour 45 minutes 604:Hispano-Suiza 8Cb 462:Serbian Air Force 367:, with the AEF's 353:François Battesti 337:Lionel de Marmier 274:cannon but a new 191: 190: 79: 78: 71: 1284: 1060: 966:-1, 2, 3 & 4 942: 935: 928: 919: 914:, 9781841763163. 869: 828: 825: 819: 818: 800: 794: 791: 782: 781: 780:. pp. 9–10. 772: 766: 765: 756: 750: 749: 748:. pp. 7, 9. 740: 734: 733: 728:. Archived from 722: 653: 637:Service ceiling: 620: 553: 521: 519: 518: 498: 496: 495: 475: 473: 472: 453: 451: 450: 439:Soviet Air Force 425: 423: 422: 413: 411: 410: 400:French Air Force 391: 389: 388: 361:Aviation Section 237:Georges Guynemer 206:fighter aircraft 182: 172: 118: 110:Type of aircraft 93: 81: 74: 67: 63: 60: 54: 49:this article by 40:inline citations 27: 26: 19: 1292: 1291: 1287: 1286: 1285: 1283: 1282: 1281: 1247: 1246: 1245: 1236: 1195: 1129: 1055: 1049: 952: 946: 855: 837: 832: 831: 826: 822: 815: 802: 801: 797: 792: 785: 774: 773: 769: 764:. pp. 8–9. 758: 757: 753: 742: 741: 737: 724: 723: 719: 714: 709: 675: 661:1 x 37 mm 654: 649: 616: 549: 539: 516: 514: 493: 491: 470: 468: 448: 446: 420: 418: 408: 406: 386: 384: 381: 359:and one to the 321: 296:Hispano-Suiza 8 264:intake manifold 230: 218:Louis BĂ©chereau 210:First World War 180: 170: 162: 140:Louis BĂ©chereau 117:National origin 116: 111: 75: 64: 58: 55: 45:Please help to 44: 28: 24: 17: 12: 11: 5: 1290: 1288: 1280: 1279: 1274: 1269: 1264: 1259: 1249: 1248: 1242: 1241: 1238: 1237: 1235: 1234: 1229: 1224: 1219: 1214: 1209: 1203: 1201: 1197: 1196: 1194: 1193: 1188: 1183: 1178: 1173: 1168: 1163: 1158: 1153: 1148: 1143: 1137: 1135: 1131: 1130: 1128: 1127: 1122: 1117: 1112: 1107: 1102: 1097: 1092: 1087: 1082: 1077: 1072: 1066: 1064: 1057: 1051: 1050: 1048: 1047: 1042: 1037: 1032: 1027: 1022: 1017: 1012: 1007: 1002: 997: 992: 987: 982: 977: 972: 967: 960: 958: 954: 953: 947: 945: 944: 937: 930: 922: 916: 915: 902:Guttman, Jon, 900: 885: 870: 853: 836: 833: 830: 829: 820: 813: 795: 783: 767: 751: 735: 732:on 2009-05-16. 716: 715: 713: 710: 708: 705: 702: 701: 699:De Bruyère C 1 696: 691: 686: 674: 671: 670: 669: 647: 646: 640: 634: 628: 625:Maximum speed: 614: 613: 607: 597: 591: 585: 579: 573: 567: 561: 538: 535: 534: 533: 526: 525: 511: 510: 503: 502: 488: 487: 480: 479: 477:United Kingdom 465: 464: 458: 457: 443: 442: 436: 430: 429: 403: 402: 396: 395: 380: 377: 349:Albert Deullin 320: 317: 289:(7.7 mm) 229: 226: 189: 188: 183: 181:Developed from 177: 176: 173: 167: 166: 155: 151: 150: 147: 143: 142: 137: 133: 132: 127: 123: 122: 119: 113: 112: 109: 104: 100: 99: 95: 94: 86: 85: 77: 76: 31: 29: 22: 15: 13: 10: 9: 6: 4: 3: 2: 1289: 1278: 1275: 1273: 1270: 1268: 1265: 1263: 1262:SPAD aircraft 1260: 1258: 1255: 1254: 1252: 1233: 1230: 1228: 1225: 1223: 1220: 1218: 1215: 1213: 1210: 1208: 1205: 1204: 1202: 1198: 1192: 1189: 1187: 1184: 1182: 1179: 1177: 1174: 1172: 1169: 1167: 1164: 1162: 1159: 1157: 1154: 1152: 1149: 1147: 1144: 1142: 1139: 1138: 1136: 1132: 1126: 1123: 1121: 1118: 1116: 1113: 1111: 1108: 1106: 1103: 1101: 1098: 1096: 1093: 1091: 1088: 1086: 1083: 1081: 1078: 1076: 1073: 1071: 1068: 1067: 1065: 1061: 1058: 1052: 1046: 1043: 1041: 1038: 1036: 1033: 1031: 1028: 1026: 1023: 1021: 1018: 1016: 1013: 1011: 1008: 1006: 1003: 1001: 998: 996: 993: 991: 988: 986: 983: 981: 978: 976: 973: 971: 968: 965: 962: 961: 959: 957:SPAD aircraft 955: 950: 943: 938: 936: 931: 929: 924: 923: 920: 913: 909: 905: 901: 898: 897:0-8317-3939-8 894: 890: 886: 883: 882:0-9637110-4-0 879: 875: 871: 867: 863: 859: 854: 851: 850:0-370-30084-X 847: 843: 840:Bruce, J. M. 839: 838: 834: 824: 821: 816: 810: 806: 799: 796: 790: 788: 784: 779: 776: 771: 768: 763: 760: 755: 752: 747: 744: 739: 736: 731: 727: 721: 718: 711: 706: 704: 700: 697: 695: 692: 690: 687: 685: 682: 681: 680: 679: 672: 668: 664: 660: 657: 656: 655: 652: 644: 641: 638: 635: 632: 629: 626: 623: 622: 621: 619: 611: 608: 605: 601: 598: 595: 594:Gross weight: 592: 589: 588:Empty weight: 586: 583: 580: 577: 574: 571: 568: 565: 562: 559: 556: 555: 554: 552: 547: 546: 543: 536: 531: 528: 527: 524: 513: 512: 508: 505: 504: 501: 500:United States 490: 489: 485: 482: 481: 478: 467: 466: 463: 460: 459: 456: 445: 444: 440: 437: 435: 432: 431: 428: 416: 405: 404: 401: 398: 397: 394: 383: 382: 378: 376: 374: 370: 366: 362: 358: 354: 350: 346: 342: 338: 334: 325: 318: 316: 314: 309: 303: 301: 297: 292: 288: 284: 280: 279: 273: 265: 260: 252: 248: 246: 242: 238: 235: 227: 225: 223: 219: 215: 211: 207: 204: 200: 196: 187: 184: 179: 178: 174: 169: 168: 165: 161: 160: 156: 153: 152: 148: 146:First flight 145: 144: 141: 138: 135: 134: 131: 128: 126:Manufacturer 125: 124: 120: 115: 114: 108: 105: 102: 101: 96: 92: 87: 82: 73: 70: 62: 52: 48: 42: 41: 35: 30: 21: 20: 1054:BlĂ©riot-SPAD 1014: 903: 888: 873: 857: 841: 835:Bibliography 823: 804: 798: 778: 775: 770: 762: 759: 754: 746: 743: 738: 730:the original 720: 703: 677: 676: 658: 650: 648: 642: 636: 630: 624: 617: 615: 609: 599: 593: 587: 581: 575: 569: 563: 557: 550: 548: 544: 541: 540: 427:Soviet Union 330: 304: 287:synchronized 277: 269: 231: 198: 194: 192: 171:Number built 158: 149:5 July 1917 65: 56: 37: 618:Performance 610:Propellers: 600:Powerplant: 313:Deperdussin 276:37 mm 228:Development 84:SPAD S.XII 51:introducing 1251:Categories 912:1841763160 707:References 694:SPAD S.XIV 684:SPAD S.VII 631:Endurance: 582:Wing area: 441:- Postwar. 333:Rene Fonck 245:Voisin III 234:flying ace 195:SPAD S.XII 186:Spad S.VII 34:references 1134:Airliners 866:1243-8650 689:SPAD S.XI 570:Wingspan: 542:Data from 532:- Postwar 379:Operators 308:SPAD XIII 300:clockwise 272:Hotchkiss 136:Designer 59:June 2013 1272:Biplanes 1056:aircraft 673:See also 651:Armament 241:"pusher" 224:(SPAD). 214:SPAD VII 164:Red Army 576:Height: 564:Length: 363:of the 319:Service 208:of the 203:biplane 199:SPAD 12 121:France 107:Fighter 47:improve 1040:S.XVII 1020:S.XIII 910:  895:  880:  864:  848:  811:  520:  497:  474:  455:Serbia 452:  424:  415:Russia 412:  393:France 390:  283:geared 36:, but 1191:S.126 1186:S.116 1125:S.710 1120:S.510 1035:S.XVI 1025:S.XIV 1015:S.XII 1005:S.VII 712:Notes 659:Guns: 558:Crew: 103:Role 1232:S.72 1227:S.54 1222:S.42 1217:S.34 1212:S.30 1207:S.29 1181:S.86 1176:S.66 1171:S.56 1166:S.50 1161:S.48 1156:S.46 1151:S.45 1146:S.33 1141:S.27 1115:S.91 1110:S.81 1105:S.71 1100:S.70 1095:S.61 1090:S.58 1085:S.51 1080:S.41 1075:S.26 1070:S.20 1045:S.XX 1030:S.XV 1010:S.XI 949:SPAD 908:ISBN 893:ISBN 878:ISBN 862:ISSN 846:ISBN 809:ISBN 602:1 Ă— 351:and 193:The 130:SPAD 1000:S.V 995:S.H 990:S.G 985:S.F 980:S.E 975:S.D 970:S.C 964:S.A 216:by 197:or 1253:: 786:^ 417:/ 375:. 347:, 343:, 339:, 335:, 315:. 941:e 934:t 927:v 899:. 884:. 868:. 852:. 817:. 560:1 72:) 66:( 61:) 57:( 43:.

Index

references
inline citations
improve
introducing
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Fighter
SPAD
Louis BĂ©chereau
AĂ©ronautique Militaire
Red Army
Spad S.VII
biplane
fighter aircraft
First World War
SPAD VII
Louis BĂ©chereau
Société Pour L'Aviation et ses Dérivés
flying ace
Georges Guynemer
"pusher"
Voisin III


intake manifold
Hotchkiss
37 mm Semi Automatique Moteur Canon
geared
synchronized
Vickers machine gun

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