Antonov A-11

Source: Wikipedia, the free encyclopedia.
A-11
An unmarked A-11 on display at the Central Air Force Museum, Monino
Role High performance single seat glider
National origin Soviet Union
Manufacturer Antonov
Designer Oleg Antonov, Konstantinovitch
First flight 12 May 1958
Number built 150

The Antonov A-11 is a single-seat, high performance, all-metal sailplane built in the Soviet Union in the late 1950s. 150 were produced.

Design and development

The almost all-metal A-11 was Antonov's first non-wood framed sailplane.

mid-chord and quite close to the fuselage, of the gapless kind opening upwards only.[2]: 342–3 [3]

The fuselage of the A-11 is a metal

ventral fin[2]: 34–6 [3]

The A-11 first flew on 12 May 1958. It was approved for

: 38-9 

Aircraft on display

Information from Ogden[4]

  • Central Russian Air Force Museum, Monino
  • Panevezys
    Airfield Monument

Specifications (Antonov A-11)

Data from The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde Volume II[2]: 342–3 

General characteristics

  • Crew: one
  • Length: 6 m (19 ft 8 in)
  • Wingspan: 16.5 m (54 ft 2 in)
  • Height: 1.2 m (3 ft 11 in) at cockpit
  • Wing area: 12.15 m2 (130.8 sq ft)
  • Aspect ratio: 22.4
  • Airfoil: TsAGI R 111 A[note 1]
  • Empty weight: 294 kg (648 lb)
  • Gross weight: 400 kg (882 lb)

Performance

  • Stall speed: 60 km/h (37 mph, 32 kn)
  • Never exceed speed: 350 km/h (220 mph, 190 kn)
  • Aerotow speed: 200 km/h (124.3 mph; 108.0 kn)
  • Winch launch speed: 120 km/h (74.6 mph; 64.8 kn)
  • g limits: +8.66 -3.9 at 300 km/h (186.4 mph; 162.0 kn)
  • Maximum glide ratio: 32 at 97 km/h (60.3 mph; 52.4 kn)
  • Rate of sink: 0.74 m/s (146 ft/min) at 86 km/h (53.4 mph; 46.4 kn)
  • Wing loading: 33 kg/m2 (6.8 lb/sq ft)

See also

Related development

Related lists List of gliders

Notes

  1. Roman
    where p in Cyrillic is R in Roman script.

References

  1. .
  2. ^ a b c d 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.
  3. ^ a b Taylor, John W R (1962). Jane's All the World's Aircraft 1962–63. London: Sampson Low, Marston & Co. Ltd. p. 342.
  4. .

Bibliography