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Kawanishi K-8 Transport Seaplane

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29: 256: 162:, but was larger and heavier than the K-7. The aircraft was fitted with a twin-float undercarriage, while the crew of two sat in open cockpits. The first prototype was completed in January 1926 with a 170:
arrangement. The aircraft demonstrated relatively poor performance, but showed good stability, making it popular for long-distance flights. A total of 5 K-8As were completed in 1926, all going to
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Modified version of K-8A, with reduced wingspan 16.0 m (52 ft 6 in) and improved performance (185 km/h (115 mph; 100 kn) speed and 9 hour endurance). Two built for
734: 205:. The two K-8Bs were used to carry out two formation tours around Japan in April and May 1927 in an effort to promote aviation. They were then leased free-of-charge to 754: 185:, with reduced span wings, a slimmer fuselage and the crew cockpits moved rearwards. These two aircraft were completed in 1927, demonstrating improved performance. 610: 777: 640: 517: 181:, (the Imperial Maritime Defence Volunteer Association), a patriotic organization, who placed an order for two modified aircraft, the 875: 213:
on request. They joined the K-8As on the Osaka–Fukuoa airmail route, and were heavily used before they were retired in April 1929.
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with a fabric covered wooden structure. It was powered by a 305 hp (227 kW)
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the airline subsidiary of Kawanishi on airmail services. The resulting design, the
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In early 1925, Eiji Sekiguchi, chief designer of the aircraft department of
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of the 1920s. Seven were built in 1926 and 1927, and were used to operate
135:(Kawanishi Machinery Manufacturing Works), started work on a long-range 349:
6-cylinder water-cooled inline piston engine, 227 kW (305 hp)
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water-cooled inline-engine, as used in Kawanishi's successful
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A K-8A floatplane (ignore the image title, caption and info)
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layout, but following aircraft had the wing raised to a
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on the condition that they would be transferred to the
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165 km/h (103 mph, 89 kn) at sea level
852: 439: 437: 511: 424: 422: 420: 418: 434: 518: 504: 449: 415: 177:The design attracted the attention of the 472: 455: 443: 428: 126: 473:Mikesh, Robert C.; Abe, Shorzoe (1990). 395:49.5 kg/m (10.1 lb/sq ft) 272: 853: 377:91 km/h (57 mph; 49 kn) 188: 499: 477:. London: Putnam Aeronautical Books. 300:10.935 m (35 ft 11 in) 13: 312:3.68 m (12 ft 1 in) 306:17.6 m (57 ft 9 in) 14: 897: 318:39.0 m (420 sq ft) 232:Kawanishi K-8B Transport Seaplane 222:Kawanishi K-8A Transport Seaplane 404:9.9 kg/kW (16.3 lb/hp) 254: 197:for its airmail service between 193:The five K-8As were all used by 113:Kawanishi K-8 Transport Seaplane 27: 876:Single-engined tractor aircraft 355:2-bladed fixed-pitch propeller 115:was a Japanese single-engined 1: 465: 389:6,500 m (21,300 ft) 339:1,930 kg (4,255 lb) 333:1,320 kg (2,910 lb) 225:Single-engined mailplane for 886:Aircraft first flown in 1926 247: 7: 778:WWII Allied reporting names 475:Japanese Aircraft 1910–1940 280:Japanese Aircraft 1910–1940 216: 10: 902: 70:Kawanishi Aircraft Company 824: 776: 712: 696: 675: 622: 585: 538: 133:Kawanishi Kikai Setsakuho 35: 26: 21: 861:1920s Japanese airliners 623:Reconnaissance seaplanes 408: 16:Japanese mail floatplane 697:Suicide attack aircraft 285:General characteristics 147:, was a single-engined 22:K-8 Transport Seaplane 211:Imperial Japanese Navy 127:Design and development 881:Parasol-wing aircraft 456:Mikesh & Abe 1990 444:Mikesh & Abe 1990 429:Mikesh & Abe 1990 273:Specifications (K-8A) 826:Shin Meiwa/ShinMaywa 531:Shin Meiwa/ShinMaywa 239:, and later used by 189:Operational history 871:Kawanishi aircraft 446:, pp. 131–132 92:Primary user 848: 847: 237:Teiko Kaibo Gitai 179:Teiko Kaibo Gitai 109: 108: 893: 632:(Navy Type 90-3) 595:(Navy Type 90-2) 520: 513: 506: 497: 496: 488: 459: 453: 447: 441: 432: 426: 387:Service ceiling: 375:Alighting speed: 363: 287: 267:Nippon Koku K.K. 260: 258: 257: 172:Nippon Koku K.K. 141:Nippon Koku K.K. 102: 56: 48:Type of aircraft 31: 19: 18: 901: 900: 896: 895: 894: 892: 891: 890: 851: 850: 849: 844: 820: 772: 708: 692: 671: 618: 581: 534: 524: 493: 491: 485: 468: 463: 462: 454: 450: 442: 435: 427: 416: 411: 371: 359: 283: 275: 255: 253: 250: 219: 191: 129: 100: 95:Nippon Koku KK 79:Eiji Sekiguchi 55:National origin 54: 49: 17: 12: 11: 5: 899: 889: 888: 883: 878: 873: 868: 863: 846: 845: 843: 842: 837: 831: 829: 822: 821: 819: 818: 813: 808: 803: 798: 793: 788: 782: 780: 774: 773: 771: 770: 762: 757: 752: 747: 742: 737: 732: 727: 722: 716: 714: 713:Civil aircraft 710: 709: 707: 706: 700: 698: 694: 693: 691: 690: 685: 679: 677: 673: 672: 670: 669: 661: 655: 649: 648:(Navy Type 94) 643: 638: 633: 626: 624: 620: 619: 617: 616: 613: 607: 606: 601: 596: 589: 587: 583: 582: 580: 579: 571: 563: 555: 549: 548: 542: 540: 536: 535: 523: 522: 515: 508: 500: 490: 489: 483: 469: 467: 464: 461: 460: 448: 433: 413: 412: 410: 407: 406: 405: 396: 390: 384: 378: 372: 368:Maximum speed: 357: 356: 350: 347:Maybach Mb.IVa 340: 334: 328: 319: 313: 307: 301: 295: 274: 271: 270: 269: 264: 249: 246: 245: 244: 233: 230: 223: 218: 215: 190: 187: 183:Kawanishi K-8B 153:Maybach Mb.IVa 145:Kawanishi K-8A 128: 125: 107: 106: 103: 97: 96: 93: 89: 88: 85: 81: 80: 77: 73: 72: 67: 63: 62: 57: 51: 50: 47: 42: 38: 37: 33: 32: 24: 23: 15: 9: 6: 4: 3: 2: 898: 887: 884: 882: 879: 877: 874: 872: 869: 867: 864: 862: 859: 858: 856: 841: 838: 836: 833: 832: 830: 827: 823: 817: 814: 812: 809: 807: 804: 802: 799: 797: 794: 792: 789: 787: 784: 783: 781: 779: 775: 769: 768: 763: 761: 758: 756: 753: 751: 748: 746: 743: 741: 738: 736: 733: 731: 728: 726: 723: 721: 718: 717: 715: 711: 705: 702: 701: 699: 695: 689: 686: 684: 681: 680: 678: 674: 668: 667: 662: 659: 656: 653: 650: 647: 644: 642: 639: 637: 634: 631: 628: 627: 625: 621: 614: 612: 609: 608: 605: 602: 600: 597: 594: 591: 590: 588: 584: 578: 577: 572: 570: 569: 564: 562: 561: 556: 554: 551: 550: 547: 544: 543: 541: 537: 532: 528: 521: 516: 514: 509: 507: 502: 501: 498: 494: 486: 484:0-85177-840-2 480: 476: 471: 470: 458:, p. 132 457: 452: 445: 440: 438: 431:, p. 131 430: 425: 423: 421: 419: 414: 403: 401: 397: 394: 393:Wing loading: 391: 388: 385: 382: 379: 376: 373: 369: 366: 365: 364: 362: 354: 351: 348: 344: 341: 338: 337:Gross weight: 335: 332: 331:Empty weight: 329: 327:Göttingen 420 326: 324: 320: 317: 314: 311: 308: 305: 302: 299: 296: 293: 290: 289: 288: 286: 281: 279: 268: 265: 263: 252: 251: 242: 238: 234: 231: 229:. Five built. 228: 224: 221: 220: 214: 212: 208: 204: 200: 196: 186: 184: 180: 175: 173: 169: 165: 164:shoulder-wing 161: 158: 154: 150: 146: 142: 138: 134: 124: 122: 118: 114: 104: 99: 98: 94: 91: 90: 86: 84:First flight 83: 82: 78: 75: 74: 71: 68: 66:Manufacturer 65: 64: 61: 58: 53: 52: 46: 43: 40: 39: 34: 30: 25: 20: 766: 749: 665: 586:Flying boats 575: 567: 559: 492: 474: 451: 398: 392: 386: 380: 374: 367: 360: 358: 352: 342: 336: 330: 321: 315: 309: 303: 297: 291: 284: 282: 277: 276: 266: 240: 236: 226: 206: 194: 192: 182: 178: 176: 171: 168:parasol wing 144: 140: 132: 130: 112: 110: 101:Number built 866:Floatplanes 361:Performance 353:Propellers: 343:Powerplant: 241:Nippon Koku 227:Nippon Koku 207:Nippon Koku 195:Nippon Koku 139:for use by 855:Categories 835:PS-1/US-1A 466:References 400:Power/mass 381:Endurance: 316:Wing area: 137:floatplane 123:services. 117:floatplane 654:(Type 96) 527:Kawanishi 304:Wingspan: 278:Data from 248:Operators 149:monoplane 76:Designer 45:Mailplane 828:aircraft 676:Trainers 539:Fighters 533:aircraft 217:Variants 383:7 hours 323:Airfoil 310:Height: 298:Length: 203:Fukuoka 160:biplane 121:airmail 801:George 767:Sakura 660:(AM19) 576:Shiden 574:N1K-J 481:  259:  806:Mavis 796:Emily 791:Belle 765:K-12 704:Baika 666:Shiun 664:E15K 615:K-200 568:Kyofu 560:Jinpu 409:Notes 292:Crew: 262:Japan 199:Osaka 87:1926 60:Japan 41:Role 840:US-2 811:Norm 760:K-10 745:K-7A 658:E13K 652:E11K 646:E10K 611:K-60 566:N1K 558:J6K 546:K-11 529:and 479:ISBN 345:1 × 201:and 111:The 816:Rex 786:Alf 755:K-9 750:K-8 740:K-6 735:K-5 730:K-3 725:K-2 720:K-1 688:K8K 683:K6K 641:E8K 636:E7K 630:E5K 604:H8K 599:H6K 593:H3K 553:J3K 157:K-7 857:: 436:^ 417:^ 174:. 105:7 519:e 512:t 505:v 487:. 402:: 325:: 294:2 243:.

Index


Mailplane
Japan
Kawanishi Aircraft Company
floatplane
airmail
floatplane
monoplane
Maybach Mb.IVa
K-7
biplane
shoulder-wing
parasol wing
Osaka
Fukuoka
Imperial Japanese Navy
Japan
Airfoil
Maybach Mb.IVa
Power/mass




Mikesh & Abe 1990


Mikesh & Abe 1990
Mikesh & Abe 1990
ISBN

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