Antonov A-2

From Wikipedia, the free encyclopedia
Jump to: navigation, search
A-2
Role Training glider
National origin USSR
Designer Oleg Konstantinovich Antonov
First flight 1936
Number built ca. 2,300

The Antonov A-2 and related designs were a family of two-seat training gliders produced in the Soviet Union in the 1930s and 40s, all derived from the single-seat Antonov A-1 family.[1] They were produced in large numbers, with at least 2,300 built by 1937, and together with the single-seaters, production exceeded 7,600 by the same year.[2]

Like the A-1, the A-2 was a minimalist primary glider, with a conventional tail mounted on a boom and a strut-braced monoplane wing mounted parasol-fashion. However, while the single-seat primary gliders featured wings of constant chord, the two-seaters used the longer-span, tapered wings that had been developed for the soaring versions of the single-seat family (P-s1 and P-s2).[3] The other major difference was the design of the cockpit gondola. The single-seaters had featured an aerodynamic fairing that slid on and off to provide access to the pilot's seat.[4] The two seaters, however, had a permanently fixed cockpit pod that seated the pilot and instructor in tandem, open cockpits, each with a small windscreen The rear cockpit was located directly beneath the wing and was accessed via a door on the portside of the gondola.[3] Apart from the change in gondola, all other components remained interchangeable with the Ps-2[5]

Variants[edit]

In each case, the "s" stands for serii (серии – "series")

Uchebnyi (Учебный – "Trainer")

  • U-s5 (У-с5)
  • U-s6 (У-с6)

Specifications (U-s5)[edit]

Data from Shushurin 1938, 67

General characteristics

  • Crew: Two, pilot and instructor
  • Length: 5.80 m (19 ft 0 in)
  • Wingspan: 13.80 m (45 ft 3 in)
  • Height: 1.70 m (5 ft 7 in)
  • Wing area: 17.1 m2 (184 ft2)
  • Empty weight: 120 kg (264 lb)
  • Gross weight: 264 kg (581 lb)

Performance

  • Maximum speed: 70 km/h (40 mph)
  • Rate of sink: 1.1 m/s (220 ft/min)

Notes[edit]

  1. ^ Sheremetev 1959, 44
  2. ^ Krasil'shchikov 1991, 143
  3. ^ a b Sheremetev 1959, 45
  4. ^ Sheremetev 1959, 40
  5. ^ Shushurin 1938, 67

References[edit]

  • Krasil'shchikov, Aleksandr Petrovich (1991). Planery SSSR (Gliders of the USSR). Moscow: Moskva Mashinostroyeniye. 
  • Sheremetev, Boris Nikolayevich (1959). Planery (Gliders). Moscow: DOSAAF. 
  • Shushurin, V.V. (1938). Atlas konstruktzii planerov (Directory of glider construction). Moscow: Gosudarstvennoe izdatel'stvo oboronnoi promyshlennosti.