SZD-22 Mucha Standard
SZD-22 Mucha Standard | |
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Role | Glider Type of aircraft |
National origin | Poland |
Manufacturer | SZD |
Designer | W. Nowakowski, R. Grzywacz and Zatwarnicki |
First flight | 10 February 1958[1] |
Primary user | Polish Aero Club |
Number built | 288[1] |
Developed from | SZD-12 Mucha 100 |
The SZD-22 Mucha Standard (Szybowcowy Zakład Doświadczalny – Glider Experimental Works) was a single-seat aerobatic glider designed and built in Poland from 1957.
Development
Developed especially for the 1958 World Gliding Championships, the SZD-22 Mucha Standard was a direct descendant of the IS-2 Mucha (Fly), from 1948, and SZD-12 Mucha 100, from 1953, with very similar lines and dimensions. The Mucha Standard was designed to the new Standard class rules which discarded the old Olympic 15-15-15 Span, Aspect Ratio, Area rule.[1]
The first flight of the SZD-22 took place at Bielsko with Adam Zientek at the controls on 10 February 1958.[2] It was followed by the second prototype in June 1958. Flight trials were successful, leading to a long production run with six variants, which introduced various modifications.
Built primarily of wood, the SZD-22 had airbrakes in the wings, a streamline cockpit canopy, short nose and tail skids with a single mainwheel. The SZD-22C model replaced the plywood covering of the wings with fabric and some models had provision for water ballast in rubber bags fitted to the wing roots.[1] Most of SZD-22s – 271, were built in ZSLS in Krosno.[2]
Many SZD-22's, mostly SZD-22C models, were exported to the Great Britain, Argentina, Austria, Australia, Belgium, Denmark, Finland, France, Greece, Yugoslavia, Mexico, Norway, West Germany, Switzerland, Sweden, Tunisia, Turkey, USA, Hungary and Italy[1] Adam Witek flew the SZD-22 Mucha Standard to first place in the Standard class at the 1958 World Gliding Championships at Leszno in Poland.[1]
Variants
- SZD-22 Mucha Standard – The initial prototype of the SZD-22 series (reg'n no. SP-1748).
- SZD-22A Mucha Standard – Initial production version, 8 built in Bielsko.
- SZD-22B Mucha Standard – Provision for water ballast in rubber bags, 40 built in Krosno.
- SZD-22C Mucha Standard – Fabric covered wings + provision for water ballast in rubber bags, main production variant.
- SZD-22D Mucha Standard – Modified skid and mainwheel (1 built).[1]
- SZD-22E Mucha Standard – Variant with a new wing (1 built).[2]
Specifications (SZD-22A Mucha Standard)
Data from The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde Volume II [3] SZD-22 Mucha Standard [1]
General characteristics
- Crew: 1
- Length: 7 m (23 ft 0 in)
- Wingspan: 14.98 m (49 ft 2 in)
- Height: 1.6 m (5 ft 3 in)
- Wing area: 12.75 m2 (137.2 sq ft)
- Aspect ratio: 17.65
- Airfoil: Root: Göttingen 549, Tip: M 12
- Empty weight: 219 kg (483 lb)
- Gross weight: 350 kg (772 lb)
- Max takeoff weight: 383 kg (844 lb) SZD-22B and SZD-22C with water ballast
Performance
- Stall speed: 59 km/h (37 mph, 32 kn)
- Never exceed speed: 250 km/h (160 mph, 130 kn)
- Rough air speed max: 140 km/h (87 mph; 76 kn)
- Aerotow speed: 150 km/h (93 mph; 81 kn)
- g limits: +6 -3 at 144 km/h (89 mph; 78 kn)
- Maximum glide ratio: 27.8 at 75 km/h (47 mph; 40 kn)
- Rate of sink: 0.73 m/s (144 ft/min) at 71 km/h (44 mph; 38 kn)
- Wing loading: 27.4 kg/m2 (5.6 lb/sq ft) (SZD-22A), 30 kg/m2 (6.144 lb/sqft) – (SZD-22B and SZD-22C with water ballast)
See also
Aircraft of comparable role, configuration, and era
- Ka 6 Rhönsegler
Related lists
- List of gliders
Notes
- ^ a b c d e f g h Pietchowski, Piotr. "SZD-22 Mucha Standard" (in Polish). www.piotrp.de. Retrieved 8 April 2013.
- ^ a b c Babiejczuk, Janusz; Grzegorzewski, Jerzy (1974). Polski przemysł lotniczy 1945-1973 [Polish aerospace industry 1945-1973] (in Polish). Warsaw: Wydawnictwo MON. pp. 123–124.
- ^ Shenstone, B.S.; K.G. Wilkinson (1963). The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde Volume II (in English, French, and German) (1st ed.). Zurich: Organisation Scientifique et Technique Internationale du Vol a Voile (OSTIV) and Schweizer Aero-Revue. pp. 34–36.
References
- Shenstone, B.S.; K.G. Wilkinson (1963). The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde Volume II (in English, French, and German) (1st ed.). Zurich: Organisation Scientifique et Technique Internationale du Vol a Voile (OSTIV) and Schweizer Aero-Revue. pp. 34–36.
- Pietchowski, Piotr. "SZD-22 Mucha Standard" (in Polish). www.piotrp.de. Retrieved 8 April 2013.
- Babiejczuk, Janusz; Grzegorzewski, Jerzy (1974). Polski przemysł lotniczy 1945-1973 [Polish aerospace industry 1945-1973] (in Polish). Warsaw: Wydawnictwo MON. pp. 124–125.
Further reading
- Taylor, J. H. (ed) (1989) Jane's Encyclopedia of Aviation. Studio Editions: London. p. 29
- Coates, Andrew. "Jane's World Sailplanes & Motor Gliders new edition". London, Jane's. 1980. ISBN 0-7106-0017-8
External links
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- http://www.piotrp.de/SZYBOWCE/pszd22.htm
- http://www.the-blueprints.com/blueprints/modernplanes/modern-su-sz/18740/view/szd_22_mucha_standard/
- http://www.gliding.co.uk/bgainfo/technical/datasheets/muchastandard.pdf
- http://www.airliners.net/photo/Aero-Club--/SZD-22C-Mucha/1555641/L/&sid=3ba58f7669167ff0d9b18bf497a11bf6
- http://www.luftfahrtmuseum.com/htmd/dtf/szd22.htm
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