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The design appeared successful and the
Ministry of Communication ordered a series of 10 aircraft. They were to be powered by licence-built A-65 engines, but since plans of engine production were abandoned, it was decided to fit them with Walter Mikron engines. They were also fitted with a closed
191:. Ten planes were built by the LWD in the end of 1948, the first of them was flown on November 8, 1948. They had markings: SP-AAS to SP-AAZ, and SP-BAA to SP-BAC. At least one (SP-AAX) had engine replaced later with 85 hp (63 kW) Cirrus F.III. They were used in the Polish regional
159:
in 1946, as one of the first Polish post-war aircraft. It was a light low-wing cantilever monoplane of a mixed construction, with a crew of two, sitting side by side, and fixed conventional
210:
appeared the better plane for this purpose, Żak-4 was not built in series, and the prototype was re-fitted with a closed canopy and used as a touring plane in aero club (markings SP-BAE).
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towing. It had stronger 105 hp Walter engine and an open canopy. Since it showed unsuitable for glider towing, and old
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Prototype of the glider towing version with open canopy (later refitted with a closed one) and powered by Walter engine.
148:
136:
54:
630:
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was first flown on March 23, 1947. It was powered by the
Czechoslovak 65 hp straight engine
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49:
610:
529:
242:
Main production version with closed canopy and powered by Walter Mikron III engine, 10 built.
8:
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and had an open cockpit. It was flown on
November 27, 1947, and carried markings SP-AAE.
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On
October 20, 1948, there was flown a prototype of the last variant,
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470:(Polish aviation industry...), Wydawnictwo MON, Warsaw 1974
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III and carried markings SP-AAC. The second prototype
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The Żak (old-fashioned "student") was designed in the
422:
Aircraft of comparable role, configuration, and era
232:The second prototype without canopy and powered by
602:
537:
466:Babiejczuk, Janusz and Grzegorzewski, Jerzy:
452:
544:
530:
175:was powered by the 65 hp flat engine
295:
142:
303:Jane's All The World's Aircraft 1953-54
478:Jane's All The World's Aircraft 1953-54
400:400 km (250 mi, 220 nmi)
388:130 km/h (81 mph, 70 kn)
382:160 km/h (99 mph, 86 kn)
603:
553:Lotnicze Warsztaty Doświadczalne (LWD)
394:62 km/h (39 mph, 33 kn)
525:
621:1940s Polish civil utility aircraft
616:1940s Polish civil trainer aircraft
329:11.80 m (38 ft 9 in)
323:7.60 m (24 ft 11 in)
135:of the late 1940s, designed in the
13:
468:Polski przemysł lotniczy 1945-1973
14:
642:
510:
341:17.0 m (183 sq ft)
335:1.95 m (6 ft 5 in)
284:Żak-3 SP-AAX is preserved in the
259:
149:Lotnicze Warsztaty Doświadczalne
27:
626:Single-engined tractor aircraft
222:The first prototype powered by
187:, sliding rearwards, and named
153:Aviation Experimental Workshops
412:2.7 m/s (530 ft/min)
1:
445:
406:3,500 m (11,500 ft)
139:and built in a short series.
279:
252:
44:Touring and trainer aircraft
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485:Samoloty w muzeach polskich
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353:620 kg (1,367 lb)
292:(disassembled as for 2007)
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16:1940s Polish light aircraft
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517:Photos at Ugolok Neba page
363:III air-cooled 4-cylinder
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367:, 48 kW (65 hp)
347:400 kg (882 lb)
131:was a Polish touring and
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76:Polish civilian aviation
308:General characteristics
155:) in Łódź, directed by
501:Photo and description
296:Specifications (Żak-3)
286:Polish Aviation Museum
163:. The first prototype
143:Design and development
480:. London:Jane's,1953.
458:Bridgman 1953, p.173.
476:Bridgman, Leonard.
36:General information
631:Low-wing aircraft
598:
597:
493:978-83-206-0432-0
483:Krzyżan, Marian:
224:Walter Mikron III
125:
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102:Introduction date
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404:Service ceiling:
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234:Continental A-65
177:Continental A-65
133:trainer aircraft
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487:, Warsaw 1983,
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438:Zlin Z-22 Junak
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365:straight engine
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274:Aeroklub Polski
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208:Polikarpov Po-2
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511:External links
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503:at Poser page
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410:Rate of climb:
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380:Maximum speed:
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245:Żak-4 (SP-BAE)
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229:Żak-2 (SP-AAE)
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219:Żak-1 (SP-AAC)
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202:, meant for a
157:Tadeusz Sołtyk
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66:Tadeusz Sołtyk
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428:Bücker Bü 181
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386:Cruise speed:
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361:Walter Mikron
358:
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351:Gross weight:
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345:Empty weight:
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169:Walter Mikron
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113:23 March 1947
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611:LWD aircraft
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392:Stall speed:
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195:until 1955.
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161:landing gear
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128:
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110:First flight
94:Manufactured
81:Number built
73:Primary user
50:Manufacturer
505:(in Polish)
496:(in Polish)
472:(in Polish)
373:Performance
357:Powerplant:
605:Categories
446:References
339:Wing area:
193:aero clubs
327:Wingspan:
301:Data from
280:Survivors
253:Operators
97:1947-1948
555:aircraft
417:See also
214:Variants
61:Designer
333:Height:
321:Length:
236:engine.
226:engine.
129:LWD Żak
118:Retired
89:History
22:LWD Żak
491:
433:RWD-21
398:Range:
290:Kraków
267:Poland
264:
204:glider
185:canopy
151:(LWD,
590:Żuraw
575:Junak
565:Szpak
315:Crew:
239:Żak-3
200:Żak-4
189:Żak-3
173:Żak-2
165:Żak-1
580:Zuch
489:ISBN
359:1 ×
127:The
121:1955
105:1947
41:Type
585:Miś
570:Żak
288:in
137:LWD
55:LWD
607::
84:13
545:e
538:t
531:v
317:2
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