Engineering:Tsybin Ts-25

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Short description: 1940s Soviet military transport glider by Tsybin
Ts-25
General information
ManufacturerTsybin OKB-256
Designer
P. V. Tsybin
Management and usageSoviet Air Forces
Czechoslovak Air Force
Number built480[1]
History
Manufactured1948-1954
Introduction date1948

The Tsybin Ts-25 (USAF/DoD designation: Type 25;[2] NATO reporting name: Mist[3]) was a military glider designed by Pavel Tsybin for use by the Soviet Air Forces as a transport aircraft. Built in significant numbers, it saw service with the Soviet Airborne Forces in the late 1940s and early 1950s.

Design and development

Designed by Pavel Tsybin to a 1944 specification,[3] the Ts-25 was of a high-wing design, with a box-shaped fuselage featuring a hinged nose for ease of loading the aircraft's cargo.[1] The aircraft had a fixed tricycle landing gear, with skids to aid in landing, and was of steel-tube-braced wooden construction with the nose covered in fabric.[1] The fuselage was otherwise covered in plywood; the wing was tapered, with its spar being steel-tube strut braced.[3] The intended load of the aircraft consisted of a jeep-type vehicle and a 57 mm (2.2 in) anti-tank gun.[1][4]

Operational history

Following flight tests that completed in 1948, the Ts-25 was accepted for production;[1] it is regarded as the first domestically produced glider to be built in significant quantities for the Soviet Airborne Forces (VDV).[5] It was first publicly displayed at the 1948 Tushino Air Display.[6] Eventually up to 480 of the aircraft were built at the Chkalovsk manufacturing plant between 1948 and 1954.[1] Some were used by the VDV in training maneuvers. One was modified with 25 passenger seats for evaluation for potential civilian use on routes including Moscow, Gorki, and Novosibirsk.[3] Two were supplied to the Czechoslovak Air Force in 1952 and given the designation NK-25; the Yakovlev Yak-14 was preferred by the Czechs.[3]

In 1950 two Ts-25s, towed by Ilyushin Il-12 transports, were used to resupply Polar Station SP-2.[7]

Variants

Ts-25
Main production version, 480 built.[1]
Ts-25M
Powered version; one built.[3] Powered by two Shvetsov M-11FR-1 radial engines each producing 165 hp (123 kW).[8]
NK-25
Czech designation for Ts-25.[3]

Operators

 Czechoslovakia:
  • Czechoslovak Air Force
 Soviet Union:
  • Soviet Air Forces

Specifications (Ts-25)

Data from [3]

General characteristics

  • Crew: two pilots
  • Capacity: 25 troops or 2,500 kg (5,500 lb) cargo
  • Length: 16.149 m (52 ft 11.8 in)
  • Wingspan: 24.38083 m (79 ft 11.875 in)
  • Height: 5 m (16 ft 5 in)
  • Wing area: 75.0 m2 (807 sq ft)
  • Empty weight: 1,787 kg (3,940 lb)
  • Max takeoff weight: 4,200 kg (9,259 lb)

Performance

  • Maximum speed: 230 km/h (140 mph, 120 kn) in tow
  • Landing speed: 90 km/h (56 mph; 49 kn)

See also

Aircraft of comparable role, configuration and era

Related lists

  • List of Russian/USSR gliders

References

Citations

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Dancey, Peter G. (2015). Soviet Aircraft Industry. Oxford: Fonthill Media. ISBN 9781781552896. https://books.google.com/books?id=1ji5DgAAQBAJ&dq=Tsybin+Ts-25&pg=PT285. Retrieved 7 December 2024. 
  2. ↑ Parsch, Andreas; Aleksey V. Martynov (2008). "Designations of Soviet and Russian Military Aircraft and Missiles". https://www.designation-systems.net/non-us/soviet.html. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875-1995. Oxford: Osprey Publishing. p. 375. ISBN 978-0760300275. https://books.google.com/books?id=oPgfAQAAIAAJ&q=Ts-25. Retrieved 8 December 2024. 
  4. ↑ Zaloga, Steven J. (1995). Inside the Blue Berets: A Combat History of Soviet and Russian Airborne Forces, 1930-1995. Novato, CA: Presido. p. 122. ISBN 978-0891413998. 
  5. ↑ Weeks, John (1976). Airborne Equipment: A History of Its Development. New York: Hippocrene Books. p. 135. ISBN 978-0882544014. https://books.google.com/books?id=ICQyAQAAIAAJ&q=Tsybin+Ts-25. Retrieved 8 December 2024. 
  6. ↑ Mrazek, James E. (1981). Kampfsegler im Zweiten Weltkrieg. Suttgart: Motorbuch. p. 180. ISBN 3-87943-829-3. 
  7. ↑ Kasakow, Wladimir Borissowitch (1958). "Der Flug zum Pol". Fliegerrevue 383 (1): 18–22. 
  8. ↑ Wood, Allen (1993). "Soviet Military Gliders". The Bulletin of the Military Historical Society. https://books.google.com/books?id=36MrAAAAYAAJ&q=Tsybin+Ts-25. Retrieved 8 December 2024. 

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