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Zlín Z-26

(Redirected from Zlin Z-126)

The Zlin Z-26 Trener was a tandem-seat basic training aircraft built by the Czechoslovakian company Moravan. A low-wing monoplane of largely wooden construction, it was developed into a series of all-metal trainers. Several were also produced in aerobatic variants, known as the Akrobat.

Trener
Z-126 Trener II
General information
TypeTraining aircraft
ManufacturerMoravan Otrokovice
History
Manufactured1948–1977

The original Z-26 was designed in the 1940s and produced in 1946 to meet a requirement for a basic trainer to replace the Bücker Jungmann and Bestmann. It was a low-wing monoplane of mixed construction, with wooden wings and a welded metal tube fuselage, powered by a single four-cylinder piston engine, the Walter Minor 4-III. It first flew in early 1947, proving superior to the competing Praga 112, and was declared the winner, entering production in 1948.[1]

Later derivatives were also optimised to participate in aerobatic competitions and many were owned by private pilot owners. Both the two-seat Trener and the single-seat Akrobat were considered highly successful, winning several aerobatic awards in the 1960s.[2]

Variants

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Zlin Z-226T Trener 6 exhibited at the 1957 Paris Air Show

The following variants were progressive improvements on the Z-26:

  • Z-26 – two-seat primary trainer aircraft. 163 built.[3]
  • Z-126 – introduced in 1953, Czech military designation C-105, all-metal wing instead of original wooden wing.[2]
  • Z-226 – more powerful Walter Minor 6-III six-cylinder engine, C-205
    • Z-226A – single-seat aerobatic aircraft. This and subsequent single-seat variants were named the Akrobat.[4]
    • Z-226B – glider tug aircraft
    • Z-226T – basic training version
  • Z-326 – Introduced in 1959, with an electrically retractable undercarriage (standard on future models)[2]
    • C-305 – military version of Z-326 with night-flight capability and military-class cockpit equipment
  • Z-526 – with the Walter 6-III carburettor's six-cylinder engine
    • Z-526A – single-seat aerobatic aircraft
    • Z-526F – Improved version. M-137 engine with fuel injector.
  • Z-726 – modified 526 with shortened wings and fuselage

In 1956, deliveries began of the Z326 Trener-Master and Z326A Akrobat.[2] Many sub-variants were also produced, for example the Z-526A and Z-526AFS were aerobatic specials. The production of the family was terminated in the 1970s with Z-726. The Z-726 Universal had reduced wingspan.[2]

Operators

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Military operators

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  Austria
Austrian Air Force
  Cuba
Cuban Revolutionary Air and Air Defense Force - received about 60 Z-226, Z-326 and Z-526s in the 1960s.[5]
  Czechoslovakia
Czechoslovakian Air Force
  East Germany
Air Forces of the National People's Army[citation needed]
  Egypt
  Iraq[6]
  Mozambique
  Yemen

Specifications (Z-726)

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Data from Jane's All The World's Aircraft 1976–77 [7]

General characteristics

  • Crew: two
  • Length: 7.975 m (26 ft 2 in)
  • Wingspan: 9.875 m (32 ft 5 in)
  • Height: 2.06 m (6 ft 9 in)
  • Wing area: 14.89 m2 (160.3 sq ft)
  • Airfoil: root:NACA 2418; tip:NACA 4412
  • Empty weight: 700 kg (1,543 lb)
  • Max takeoff weight: 1,000 kg (2,205 lb)
  • Powerplant: 1 × Avia M 137AZ 6-cyl, air-cooled inverted in-line piston engine, 134 kW (180 hp)

Performance

  • Maximum speed: 236 km/h (147 mph, 127 kn)
  • Cruise speed: 216 km/h (134 mph, 117 kn)
  • Stall speed: 98 km/h (61 mph, 53 kn) (flaps down)
  • Range: 440 km (270 mi, 240 nmi)
  • Service ceiling: 4,500 m (14,800 ft)
  • Rate of climb: 5 m/s (980 ft/min)

See also

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References

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  1. ^ Mourik 2001, p.61.
  2. ^ a b c d e Frawley 1997, p.198.
  3. ^ Taylor 1989, p.908.
  4. ^ William Greene; The Observer's World Aircraft Directory, Warne, 1961, pp. 318, 334.
  5. ^ Hagedorn 1993, p. 29.
  6. ^ Mourik 2001, p.64.
  7. ^ Taylor 1976, pp. 33–34.
  • Frawley, Gerard. The International Directory of Civil Aircraft. Aerospace Publications Pty Ltd, 1997 ISBN 1-875671-26-9
  • Hagedorn, Daniel P. Central American and Caribbean Air Forces. Tonbridge, Kent, UK: Air-Britain (Historians) Ltd., 1993. ISBN 0-85130-210-6.
  • Mourik, Dick van. "A to Zlin: An Illustrated History of a Light Aircraft Dynasty". Air Enthusiast, No. 93, May/June 2001. Stamford, UK:Key Publishing. ISSN 0143-5450. pp. 59–65.
  • Taylor, John W R. (editor). Jane's All The World's Aircraft 1976–77. London: Jane's Yearbooks, 1976. ISBN 0 354 00538 3.
  • Taylor, Michael J.H. (editor). Jane's Encyclopedia of Aviation. London:Bracken Books, 1989. ISBN 1 85170 324 1.
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