Antonov A-9

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Antonov A-9
A9 from the outside.jpg
Type: Glider
Design country:

Soviet Union 1923Soviet Union Soviet Union

Manufacturer:

Antonov

First flight:

1949

Number of pieces:

27

The Antonow A-9 is a glider designed by the Soviet OKB Antonow . It first flew in 1949.

Development and use

In the early 1950s, the guy drew attention to himself with some special achievements. On June 6, 1952, Vyascheslav Yefimenko flew a new world record in target distance flight with 636.8 km.

A two-seater was also derived from the A-9, the Antonov A-10. This type was 30 cm longer and had a larger tail unit. On May 26, 1953, Viktor Iltschenko reached a new world record in free cross-country flight with the A-10 with 829.8 km in 9 h 11 min, for which he was awarded the Lilienthal Medal of the FAI .

construction

Interior construction

The trunk of both types had an oval cross-section. The full view canopy was made of glass. The wing had spoilers. The chassis consisted of a fixed main wheel and a grinding spur at the rear. The wing tips were protected by rubbing strips.

Technical specifications

Three-sided tear
Parameter Data (A-9) Data (A-9bis) Data (A-10)
crew 1 2
length 6.40 m 6.80 m
span 16.25 m 16.50 m 16.24 m
height 1.49 m
Wing area 13.50 m² 12.15 m² 13.46 m²
Wing extension 19.60 22.41 19.59 m
Landing speed 70 km / h
Glide ratio 28 at 95 km / h 32 30th
slightest sinking 0.85 m / s 0.65 m / s 0.87 m / s
Preparation mass 360 kg 320 kg 327 kg
Payload 90 kg 100 kg 164 kg
Max. Takeoff mass 450 kg 420 kg 491 kg
Wing loading 30.46 kg / m² 34.56 kg / m² 36.48 kg / m²

See also

literature

  • Heinz A. F. Schmidt: Soviet planes . Transpress, Berlin 1971, p. 183 .
  • Heinz A. F. Schmidt: Airplanes from all over the world . tape II . Transpress, Berlin, p. 125 .
  • Soaring magazine . No. 1 . USA 1955.

Web links

Commons : Antonov A-9  - Collection of pictures, videos and audio files

Individual evidence

  1. ^ Rudolf Höflinger: Antonov. Airplanes since 1946. Motorbuch, Stuttgart 2013, ISBN 978-3-613-03518-8 , p. 9.
  2. a b Peter Stache: Oleg Antonow – Triumph of Versatility. In: Aerosport 10/1962 , p. 32