Knowledge (XXG)

IS-3 ABC

Source 📝

26: 185:
The IS-3 ABC prototype first flew on New Year's Eve of 1948 by Peter Mynarski and after successful trials, a production commenced as the IS-3 ABC-bis. Further improvements resulted in the IS-3 ABC-ter, with a cabin and windscreen for the pilot. Last and most numerous variant was ABC-A of 1955,
208:
The IS-3 ABC series was in use at Polish state gliding clubs up to 1961, when the dual training syllabus was finally introduced. Many of the IS-3 primary gliders were dispersed to schools and clubs for use as training aids, some of which survive as exhibits in museums today.
205:(1°), to allow the generally shorter Chinese students to hold the wings level for take-off. After flight trials in Poland, it was confirmed that it did not appreciably affect the handling. The Chinese also manufactured these gliders on the licence. 138:
From 1946 the IS (Gliding Institute) started work on designing gliders to rebuild the shattered by the war Polish gliding movement. Four types were required:
167:
To fulfil the 'School' requirement the IS-3 ABC primary glider was designed by Rudolf Matz and Roman Zatwarnicki, and built at the workshops in Bielsko.
227:– production aircraft with reduced wing incidence, increased aileron movement and with folding wings and tail-unit (24 made in IS and 50 in Lubawka). 490: 919: 408: 558: 505: 69: 836: 425:
Babiejczuk, Janusz and Grzegorzewski, Jerzy. Polski Przemysł Lotniczy 1945-1973 (in Polish). Warsaw: Wydawnictwo MON, 1974. No ISBN, p. 118
831: 914: 879: 818: 856: 233:– version equipped with a removable cockpit nacelle and windscreen as well as fixed wings and tail-unit (30 made in Lubawka) 198: 846: 841: 826: 483: 778: 768: 295: 888: 201:, providing instruction and advice with the 50 IS-3 ABC A's exported there. This variant was modified with less 909: 628: 613: 476: 803: 748: 34: 793: 758: 653: 186:
produced in 1956-57. 256 of all variants were manufactured in workshops in Bielsko (of IS, later SZD),
583: 374: 202: 178:, with a high set rectangular low aspect ratio wing, wire-braced to an open structure wire-braced 798: 788: 538: 364: 171: 120: 643: 404: 693: 603: 573: 528: 369: 773: 753: 738: 733: 728: 723: 598: 146: 123: 44: 239:– last production version, with less wing dihedral, produced in 1956-57 (most in Krosno). 808: 568: 548: 175: 903: 864: 783: 743: 633: 608: 593: 403:(Aircraft in the Polish museums), Warsaw: Wydawnictwa Komunikacji i Łączności, 1983, 718: 713: 708: 698: 688: 658: 648: 638: 618: 588: 543: 197:
Polish instructors were also instrumental in boosting the gliding movement in the
182:, which did nothing more than connect the seat, skid and tail unit to the wings. 763: 703: 673: 668: 663: 623: 533: 513: 160: 518: 153: 869: 578: 194:(according to other publications, 280, including 74 bis, 30 ter and 176 A). 468: 463: 439: 251: 179: 304: 191: 683: 678: 187: 127: 59: 25: 174:
as a starting point, the IS-3 ABC emerged looking similar to most
472: 354:
1.5 m/s (295 ft/min) at 48 km/h (26 kts/30 mph)
221:– The sole prototype aircraft without folding wings. 878: 855: 817: 557: 504: 484: 8: 491: 477: 469: 152:3. Training and intermediate performance ( 392: 390: 562:/ PZL Bielsko-Biała / Allstar PZL Glider 119:– Gliding Institute) was a single-seat 386: 336:135 km/h (84 mph, 73 kn) 464:http://www.piotrp.de/SZYBOWCE/pis3.htm 342:45 km/h (28 mph, 24 kn) 252:http://www.piotrp.de/SZYBOWCE/pis3.htm 15: 453:. Studio Editions: London. p. 29 435: 433: 431: 421: 419: 417: 7: 291:13.5 m (145.3 sq ft) 273:6.27 m (20 ft 7 in) 14: 285:1.72 m (5 ft 7 in) 279:9.0 m (29 ft 6 in) 159:4. High performance / advanced ( 24: 559:Szybowcowy Zakład Doświadczalny 451:Jane's Encyclopedia of Aviation 348:9.2 at 53 km/h (29 kts/33 mph) 1: 920:Aircraft first flown in 1947 401:Samoloty w muzeach polskich 315:105 kg (231.5 lb) 244:Specifications (IS-3 ABC-A) 936: 449:Taylor, J. H. (ed) (1989) 199:People's Republic of China 889:PZL Krosno KR-03 Puchatek 857:Margański & Mysłowski 321:185 kg (408 lb) 170:Using the sole remaining 32: 23: 18: 499:Polish post-1945 gliders 915:1940s Polish sailplanes 819:Politechnika Warszawska 258:General characteristics 126:designed and built in 35:Polish Aviation Museum 506:Instytut Szybownictwa 117:Instytut Szybownictwa 70:Instytut Szybownictwa 346:Maximum glide ratio: 142:1. School (IS-3 ABC) 365:W.W.S.1 Salamandra 172:W.W.S.1 Salamandra 33:IS-3 ABC-A in the 897: 896: 409:978-83-206-0432-0 399:Krzyżan, Marian, 109: 108: 79:31 December 1947 927: 493: 486: 479: 470: 442: 437: 426: 423: 412: 398: 394: 375:Lippisch Zögling 370:Slingsby Primary 329: 260: 102: 56: 48:Type of aircraft 28: 16: 935: 934: 930: 929: 928: 926: 925: 924: 910:Glider aircraft 900: 899: 898: 893: 874: 851: 813: 561: 553: 500: 497: 460: 446: 445: 438: 429: 424: 415: 396: 395: 388: 383: 361: 325: 256: 246: 215: 176:primary gliders 147:IS-A Salamandra 145:2. Transition ( 136: 100: 55:National origin 54: 49: 12: 11: 5: 933: 931: 923: 922: 917: 912: 902: 901: 895: 894: 892: 891: 885: 883: 876: 875: 873: 872: 867: 861: 859: 853: 852: 850: 849: 844: 839: 834: 829: 823: 821: 815: 814: 812: 811: 806: 801: 796: 791: 786: 781: 776: 771: 766: 761: 756: 751: 746: 741: 736: 731: 726: 721: 716: 711: 706: 701: 696: 691: 686: 681: 676: 671: 666: 661: 656: 651: 646: 641: 636: 631: 626: 621: 616: 611: 606: 601: 596: 591: 586: 581: 576: 571: 565: 563: 555: 554: 552: 551: 546: 541: 536: 531: 526: 521: 516: 510: 508: 502: 501: 498: 496: 495: 488: 481: 473: 467: 466: 459: 458:External links 456: 455: 454: 444: 443: 427: 413: 385: 384: 382: 379: 378: 377: 372: 367: 360: 357: 356: 355: 349: 343: 337: 334:Maximum speed: 323: 322: 316: 310: 301: 292: 286: 280: 274: 268: 245: 242: 241: 240: 234: 228: 222: 214: 211: 165: 164: 157: 150: 143: 135: 132: 107: 106: 103: 97: 96: 93: 89: 88: 85: 81: 80: 77: 73: 72: 67: 63: 62: 57: 51: 50: 47: 42: 38: 37: 30: 29: 21: 20: 13: 10: 9: 6: 4: 3: 2: 932: 921: 918: 916: 913: 911: 908: 907: 905: 890: 887: 886: 884: 881: 877: 871: 868: 866: 863: 862: 860: 858: 854: 848: 845: 843: 840: 838: 835: 833: 830: 828: 825: 824: 822: 820: 816: 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: 740: 737: 735: 732: 730: 727: 725: 722: 720: 717: 715: 712: 710: 707: 705: 702: 700: 697: 695: 692: 690: 687: 685: 682: 680: 677: 675: 672: 670: 667: 665: 662: 660: 657: 655: 652: 650: 647: 645: 642: 640: 637: 635: 632: 630: 627: 625: 622: 620: 617: 615: 612: 610: 607: 605: 602: 600: 597: 595: 592: 590: 587: 585: 582: 580: 577: 575: 572: 570: 567: 566: 564: 560: 556: 550: 547: 545: 542: 540: 537: 535: 532: 530: 527: 525: 522: 520: 517: 515: 512: 511: 509: 507: 503: 494: 489: 487: 482: 480: 475: 474: 471: 465: 462: 461: 457: 452: 448: 447: 441: 436: 434: 432: 428: 422: 420: 418: 414: 410: 406: 402: 393: 391: 387: 380: 376: 373: 371: 368: 366: 363: 362: 358: 353: 352:Rate of sink: 350: 347: 344: 341: 338: 335: 332: 331: 330: 328: 320: 319:Gross weight: 317: 314: 313:Empty weight: 311: 308: 306: 302: 299: 297: 293: 290: 287: 284: 281: 278: 275: 272: 269: 266: 263: 262: 261: 259: 254: 253: 250: 243: 238: 235: 232: 229: 226: 223: 220: 217: 216: 212: 210: 206: 204: 200: 195: 193: 189: 183: 181: 177: 173: 168: 162: 158: 155: 151: 148: 144: 141: 140: 139: 133: 131: 129: 125: 122: 118: 114: 104: 99: 98: 94: 91: 90: 86: 84:Introduction 83: 82: 78: 76:First flight 75: 74: 71: 68: 66:Manufacturer 65: 64: 61: 58: 53: 52: 46: 43: 40: 39: 36: 31: 27: 22: 17: 523: 450: 411:, p. 132-133 400: 351: 345: 340:Stall speed: 339: 333: 326: 324: 318: 312: 303: 296:Aspect ratio 294: 288: 282: 276: 270: 264: 257: 255: 248: 247: 236: 231:IS-3 ABC ter 230: 225:IS-3 ABC bis 224: 218: 207: 196: 184: 169: 166: 137: 116: 112: 110: 101:Number built 397:(in Polish) 327:Performance 134:Development 130:from 1947. 904:Categories 381:References 309:Peyret 16% 289:Wing area: 237:IS-3 ABC-A 154:IS-2 Mucha 870:Swift S-1 865:MDM-1 Fox 277:Wingspan: 249:Data from 19:IS-3 ABC 440:IS-3 ABC 359:See also 219:IS-3 ABC 213:Variants 203:dihedral 180:fuselage 161:IS-1 Sęp 121:training 113:IS-3 ABC 92:Retired 305:Airfoil 283:Height: 271:Length: 192:Lubawka 882:Krosno 809:SZD-59 804:SZD-56 799:SZD-55 794:SZD-54 789:SZD-52 784:SZD-51 779:SZD-50 774:SZD-49 769:SZD-48 764:SZD-45 759:SZD-43 754:SZD-42 749:SZD-41 744:SZD-40 739:SZD-39 734:SZD-38 729:SZD-37 724:SZD-36 719:SZD-35 714:SZD-34 709:SZD-33 704:SZD-32 699:SZD-31 694:SZD-30 689:SZD-29 684:SZD-28 679:SZD-27 674:SZD-26 669:SZD-25 664:SZD-24 659:SZD-23 654:SZD-22 649:SZD-21 644:SZD-20 639:SZD-19 634:SZD-18 629:SZD-17 624:SZD-16 619:SZD-15 614:SZD-14 609:SZD-13 604:SZD-12 599:SZD-11 594:SZD-10 407:  188:Krosno 128:Poland 124:glider 60:Poland 45:Glider 589:SZD-9 584:SZD-8 579:SZD-7 574:SZD-6 569:SZD-C 265:Crew: 95:1961 87:1948 41:Role 847:PW-6 842:PW-5 837:PW-4 832:PW-3 827:PW-2 549:IS-C 544:IS-B 539:IS-A 534:IS-5 529:IS-4 524:IS-3 519:IS-2 514:IS-1 405:ISBN 190:and 111:The 105:256 880:PZL 300:6:1 906:: 430:^ 416:^ 389:^ 492:e 485:t 478:v 307:: 298:: 267:1 163:) 156:) 149:) 115:(

Index


Polish Aviation Museum
Glider
Poland
Instytut Szybownictwa
training
glider
Poland
IS-A Salamandra
IS-2 Mucha
IS-1 Sęp
W.W.S.1 Salamandra
primary gliders
fuselage
Krosno
Lubawka
People's Republic of China
dihedral
http://www.piotrp.de/SZYBOWCE/pis3.htm
Aspect ratio
Airfoil
W.W.S.1 Salamandra
Slingsby Primary
Lippisch Zögling


ISBN
978-83-206-0432-0

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.