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:
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69:
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Babiejczuk, Janusz and
Grzegorzewski, Jerzy. Polski Przemysł Lotniczy 1945-1973 (in Polish). Warsaw: Wydawnictwo MON, 1974. No ISBN, p. 118
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233:– version equipped with a removable cockpit nacelle and windscreen as well as fixed wings and tail-unit (30 made in Lubawka)
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201:, providing instruction and advice with the 50 IS-3 ABC A's exported there. This variant was modified with less
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produced in 1956-57. 256 of all variants were manufactured in workshops in
Bielsko (of IS, later SZD),
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239:– last production version, with less wing dihedral, produced in 1956-57 (most in Krosno).
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403:(Aircraft in the Polish museums), Warsaw: Wydawnictwa Komunikacji i Łączności, 1983,
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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.
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194:(according to other publications, 280, including 74 bis, 30 ter and 176 A).
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as a starting point, the IS-3 ABC emerged looking similar to most
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1.5 m/s (295 ft/min) at 48 km/h (26 kts/30 mph)
221:– The sole prototype aircraft without folding wings.
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152:3. Training and intermediate performance (
392:
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562:/ PZL Bielsko-Biała / Allstar PZL Glider
119:– Gliding Institute) was a single-seat
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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:
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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:
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409:978-83-206-0432-0
399:Krzyżan, Marian,
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79:31 December 1947
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375:Lippisch Zögling
370:Slingsby Primary
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48:Type of aircraft
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176:primary gliders
147:IS-A Salamandra
145:2. Transition (
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352:Rate of sink:
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84:Introduction
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76:First flight
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66:Manufacturer
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411:, p. 132-133
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340:Stall speed:
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296:Aspect ratio
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231:IS-3 ABC ter
230:
225:IS-3 ABC bis
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184:
169:
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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:(
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