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Keystone LB-5

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on the lower wing. The prototype XLB-5 had a single tail fin like the XLB-1, the 10 LB-5 production machines were designed with a triple-finned tail under the Huff-Daland name, but the final batch of 25 was redesigned with twin tails and designated
187:, flying co-pilot, and all except the nosegunner immediately parachuted. The nosegunner died in the crash, and the gasoline-soaked wreckage subsequently exploded and burned on the ground. 175:, the XLB-5 prototype (AC serial 26-208) experienced catastrophic failure of its right engine when a blade separated from the hub with explosive power, tearing the engine apart. 859: 131:
in 1923, and as such, was a large, single-bay, conventional biplane. Like most of the family, it was a twin-engine machine, with engines mounted in
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were made of its propeller blades between 1925 and 1927, one of which reported failure after 34 hours of flying time and 10 hours of testing.
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name) was a bomber aircraft produced in the United States in the late 1920s. Its manufacturer nicknamed it the
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Miller, Dr. Roger G. "Four 'Caterpillars' and a funeral documents on the crash of the Huff-Daland XLB-5."
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The LB-5 was a member of the family of closely related bomber designs that had debuted with the
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adjustable-pitch propellers built by the Standard Steel Propeller Company of
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National Museum of the United States Air Force. Retrieved: 14 July 2017.
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On 28 May 1927, while at 1,200 ft (370 m) altitude near
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2 Ă— trainable .303 in (7.7 mm) Lewis guns in open dorsal position
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1 Ă— trainable .303 in (7.7 mm) Lewis gun in ventral hatch
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Keystone XLB-5 3-view drawing from L'Air February 15,1928
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first production batch with triple tail fins (10 built)
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1927 bomber aircraft series by Keystone/Huff-Daland
209:Prototype (1 built from LB-1) with single tail fin 115:, but this name was not officially adopted by the 1545: 292:Five – pilot, copilot, bombardier, two gunners 277:National Museum of the United States Air Force 828: 511: 458:. London: Studio Editions, 1989, p. 559. 486:National Museum of the USAF LB-5A fact sheet 476:National Museum of the USAF XLB-5 fact sheet 481:National Museum of the USAF LB-5 fact sheet 164:Propeller Company). At least nine tests of 835: 821: 518: 504: 179:sprayed the five-man crew, which included 122: 858:bomber designations, Army/Air Force and 353:107 mph (171 km/h, 93 kn) 264: 260: 194: 359:435 mi (696 km, 378 nmi) 1546: 420: 418: 143: 816: 499: 316:1,138 sq ft (105.8 m) 1564:1920s United States bomber aircraft 415: 310:16 ft 10 in (5.13 m) 304:67 ft 0 in (20.42 m) 298:44 ft 8 in (13.61 m) 13: 14: 1575: 469: 462:World Aircraft Information Files 240: 27: 456:Jane's Encyclopedia of Aviation 447: 384:2 Ă— trainable .303 in (7.7 mm) 431: 371:250 ft/min (1.3 m/s) 328:12,155 lb (5,525 kg) 107:(originally ordered under the 1: 531:Keystone and Keystone-Loening 403: 322:7,024 lb (3,194 kg) 225:second production batch with 68:Keystone Aircraft Corporation 397:2,312 lb (1,051 kg) of bombs 365:8,000 ft (2,500 m) 255:United States Army Air Corps 233: 117:United States Army Air Corps 86:United States Army Air Corps 7: 1501:Fighter-bomber, in F-series 190: 10: 1580: 199:LB-5 with triple tail fins 1521: 1500: 1479: 1472: 1449: 1421: 1008: 978: 957: 876: 867: 779: 763: 742: 726: 685: 579: 539:Manufacturer designations 538: 491:American Bombing Aircraft 35: 26: 21: 408: 388:in open position in nose 158:Pittsburgh, Pennsylvania 338:, 420 hp (310 kW) each 283:General characteristics 454:Taylor, Michael J. H. 270: 200: 123:Design and development 1480:Redesignated A-series 268: 261:Specifications (LB-5) 198: 181:2nd Bombardment Group 160:, (forerunner of the 1450:Tri-Service sequence 743:Observation aircraft 144:Operational history 868:Original sequences 438:"LB-5 fact sheet." 426:Air Power History, 271: 201: 173:Reynoldsburg, Ohio 82:Primary user 1554:Keystone aircraft 1541: 1540: 1537: 1536: 1422:Long-range bomber 1004: 1003: 810: 809: 185:Lewis H. Brereton 162:Hamilton Standard 152:engines featured 101: 100: 1571: 1477: 1476: 874: 873: 837: 830: 823: 814: 813: 520: 513: 506: 497: 496: 441: 435: 429: 422: 379: 363:Service ceiling: 346: 285: 246: 244: 243: 183:commander Major 166:tensile strength 94: 56: 48:Type of aircraft 36:XLB-5 prototype 31: 19: 18: 1579: 1578: 1574: 1573: 1572: 1570: 1569: 1568: 1544: 1543: 1542: 1533: 1517: 1496: 1468: 1451: 1445: 1423: 1417: 1010: 1000: 974: 953: 869: 863: 841: 811: 806: 775: 759: 738: 727:Patrol aircraft 722: 681: 575: 534: 524: 472: 467: 450: 445: 444: 436: 432: 423: 416: 411: 406: 380: 375: 342: 281: 263: 241: 239: 236: 193: 146: 125: 92: 55:National origin 54: 49: 17: 12: 11: 5: 1577: 1567: 1566: 1561: 1556: 1539: 1538: 1535: 1534: 1532: 1531: 1525: 1523: 1519: 1518: 1516: 1515: 1510: 1504: 1502: 1498: 1497: 1495: 1494: 1489: 1483: 1481: 1474: 1473:Non-sequential 1470: 1469: 1467: 1466: 1461: 1455: 1453: 1452:(1962–current) 1447: 1446: 1444: 1443: 1438: 1433: 1427: 1425: 1419: 1418: 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983: 981: 977: 971: 968: 966: 963: 962: 960: 958:Medium bomber 956: 950: 947: 945: 942: 940: 937: 935: 932: 930: 927: 925: 922: 920: 917: 915: 912: 910: 907: 905: 902: 900: 897: 895: 892: 890: 887: 885: 882: 881: 879: 875: 872: 866: 861: 857: 853: 849: 845: 838: 833: 831: 826: 824: 819: 818: 815: 803: 800: 798: 795: 793: 790: 788: 785: 784: 782: 778: 772: 769: 768: 766: 762: 756: 753: 751: 748: 747: 745: 741: 735: 732: 731: 729: 725: 719: 716: 714: 711: 709: 706: 704: 701: 699: 696: 694: 691: 690: 688: 684: 678: 675: 673: 670: 668: 665: 663: 660: 658: 655: 653: 650: 648: 645: 643: 640: 638: 635: 633: 630: 628: 625: 623: 620: 618: 615: 613: 610: 608: 605: 603: 600: 598: 595: 593: 590: 588: 585: 584: 582: 578: 572: 569: 567: 564: 562: 559: 557: 554: 552: 549: 547: 544: 543: 541: 537: 532: 528: 521: 516: 514: 509: 507: 502: 501: 498: 492: 489: 487: 484: 482: 479: 477: 474: 473: 463: 460: 457: 453: 452: 439: 434: 427: 421: 419: 414: 401: 396: 393: 390: 387: 383: 382: 381: 378: 370: 367: 364: 361: 358: 355: 352: 349: 348: 347: 345: 337: 333: 330: 327: 326:Gross weight: 324: 321: 320:Empty weight: 318: 315: 312: 309: 306: 303: 300: 297: 294: 291: 288: 287: 286: 284: 279: 278: 275: 267: 256: 253: 252: 249: 248:United States 238: 237: 228: 224: 222: 219: 216: 214: 211: 208: 206: 203: 202: 197: 188: 186: 182: 178: 174: 169: 167: 163: 159: 155: 151: 141: 139: 134: 130: 120: 118: 114: 110: 106: 105:Keystone LB-5 96: 91: 90: 87: 84: 81: 80: 76: 74:First flight 73: 72: 69: 66: 64:Manufacturer 63: 62: 58: 53: 52: 46: 43: 40: 39: 34: 30: 25: 20: 979:Heavy bomber 903: 877:Light bomber 601: 461: 455: 448:Bibliography 433: 425: 400: 376: 374: 368: 362: 356: 350: 343: 341: 336:Liberty L-12 331: 325: 319: 313: 307: 301: 295: 289: 282: 280: 276: 273: 272: 220: 212: 204: 170: 150:Liberty L-12 147: 137: 126: 112: 108: 104: 102: 93:Number built 45:Light bomber 1424:(1935–1936) 1011:(1930–1962) 870:(1924–1930) 860:Tri-Service 527:Huff-Daland 344:Performance 332:Powerplant: 109:Huff-Daland 1548:Categories 797:Pathfinder 428:Fall 2002. 404:References 386:Lewis guns 314:Wing area: 229:(25 built) 227:twin tails 787:Air Yacht 302:Wingspan: 274:Data from 234:Operators 154:duralumin 119:(USAAC). 792:Commuter 686:Trainers 533:aircraft 377:Armament 191:Variants 177:Shrapnel 133:nacelles 862:systems 580:Bombers 308:Height: 296:Length: 1513:FB-111 1341:RB-57F 1336:RB-57D 1210:NB-36H 802:Pronto 357:Range: 245:  113:Pirate 1522:Other 1508:FB-22 1441:BLR-3 1436:BLR-2 1431:BLR-1 1294:B-50C 1272:B-47C 1205:B-36G 1163:B-29D 949:LB-14 944:LB-13 939:LB-12 934:LB-11 929:LB-10 852:USAAF 848:USAAC 844:USAAS 780:Names 750:XO-15 657:XHB-1 647:LB-14 642:LB-13 637:LB-12 632:LB-11 627:LB-10 597:XLB-3 592:XLB-1 546:HD.8A 409:Notes 290:Crew: 221:LB-5A 205:XLB-5 138:LB-5A 129:XLB-1 77:1927 41:Role 22:LB-5 1529:B-21 1492:B-26 1487:B-20 1413:B-71 1408:B-70 1403:B-69 1398:B-68 1393:B-67 1388:B-66 1383:B-65 1378:B-64 1373:B-63 1368:B-62 1363:B-61 1358:B-60 1353:B-59 1348:B-58 1331:B-57 1326:B-56 1321:B-55 1316:B-54 1311:B-53 1306:B-52 1301:B-51 1289:B-50 1284:B-49 1279:B-48 1267:B-47 1262:B-46 1257:B-45 1252:B-44 1247:B-43 1242:B-42 1237:B-41 1232:B-40 1227:B-39 1222:B-38 1217:B-37 1200:B-36 1195:B-35 1190:B-34 1185:B-33 1180:B-32 1175:B-31 1170:B-30 1158:B-29 1153:B-28 1148:B-27 1143:B-26 1138:B-25 1133:B-24 1128:B-23 1123:B-22 1118:B-21 1113:B-20 1108:B-19 1103:B-18 1098:B-17 1093:B-16 1088:B-15 1083:B-14 1078:B-13 1073:B-12 1068:B-11 1063:B-10 996:HB-3 991:HB-2 986:HB-1 924:LB-9 919:LB-8 914:LB-7 909:LB-6 904:LB-5 899:LB-4 894:LB-3 889:LB-2 884:LB-1 856:USAF 771:XS2L 713:AT-2 708:AT-1 703:TW-5 698:TA-6 693:TA-2 652:XB-1 622:LB-9 617:LB-8 612:LB-7 607:LB-6 602:LB-5 587:LB-1 571:K-85 566:K-84 561:K-78 556:K-55 551:K-47 334:2 Ă— 213:LB-5 148:Its 103:The 1464:B-2 1459:B-1 1058:B-9 1053:B-8 1048:B-7 1043:B-6 1038:B-5 1033:B-4 1028:B-3 1023:B-2 1018:B-1 970:B-2 965:B-1 755:XOK 677:B-6 672:B-5 667:B-4 662:B-3 97:36 1550:: 734:PK 718:NK 529:, 417:^ 140:. 854:/ 850:/ 846:/ 836:e 829:t 822:v 519:e 512:t 505:v

Index


Light bomber
Keystone Aircraft Corporation
United States Army Air Corps
United States Army Air Corps
XLB-1
nacelles
Liberty L-12
duralumin
Pittsburgh, Pennsylvania
Hamilton Standard
tensile strength
Reynoldsburg, Ohio
Shrapnel
2nd Bombardment Group
Lewis H. Brereton

twin tails
United States
United States Army Air Corps

Liberty L-12
Lewis guns


"LB-5 fact sheet."
National Museum of the USAF XLB-5 fact sheet
National Museum of the USAF LB-5 fact sheet
National Museum of the USAF LB-5A fact sheet
American Bombing Aircraft

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