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IS-B Komar 49

Country:Poland
Type:training glider
Year:1933

A single-seat training glider of entirely wooden construction, in a strut-braced high-wing configuration. In 1933, Antoni Kocjan designed and built a glider named “Komar” (Mosquito), and in 1937 its improved version, Komar-bis, with increased rigidity. Before the outbreak of World War II, 67 Komars were built. They were used for training and aerobatic flights. On Komars, 15 national records and 7 Yugoslav records were set. In 1937, Wanda Modlibowska set a world duration record of 24 hours 14 minutes on a Komar. Komars were built under license in Bulgaria, Estonia, Finland, France, Yugoslavia, Palestine, and Romania.

In 1947, at the Gliding Institute in Bielsko-Biala, engineer Marian Wasilewski, based on the original glider plans provided by the designer’s wife, modified the Komar design to meet contemporary requirements. The maiden flight of the first postwar Komar took place on 16 January 1948. Five examples built in 1948 bore the designation Komar 48. Subsequently, a series of 18 improved versions was produced under the name Komar 49. These gliders enjoyed an excellent reputation and were used in aero clubs until 1965. On the Komar 48 SP-732, Stanislaw Wielgus set a duration record of 35 hours 14 minutes on 19-20 October 1949.

The Komar 49 glider displayed in the Museum, with registration SP-985, was produced at the glider workshops in Jezow in 1950. It was subsequently used at the Szczecin Aero Club and at the Zar Gliding School.

Technical data:

Wingspan15.8 m
Length6.75 m
Takeoff weight225 kg
Empty weight148 kg
Maximum speed150 km/h
Wing area19.9 m2
Glide ratio19 at optimum speed of 64 km/h
Minimum sink rate0.8 m/s at economic speed of 58 km/h
Minimum speed44 km/h
Maximum diving speed140 km/h