Kocjan Bąk
Warsztaty Szybowcowe · Poland · first flew 1937 · light aircraft
The Bąk (Horse-Fly) was a single-seat motor glider designed and built in Poland from 1936.
Recognition (WEFT)
| W — Wings | Mid-mounted, straight |
|---|---|
| E — Engines | 1 × piston, nose-mounted |
| F — Fuselage | Fin integral with the fuselage and an all-flying tailplane |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Single-seat motor glider with mid-set cantilever wings and marked dihedral
- Fin integral with the fuselage and an all-flying tailplane
- Saroléa Albatros engine driving a two-blade propeller
A wooden semi-monocoque motor glider with plywood-covered wings and a cantilever all-flying tailplane.
Specifications
- The Kocjan Bąk has a length of 6 m (20 ft).
- It has a wingspan of 12.2 m (40 ft).
- Its maximum speed is 152 km/h (94 mph).
- Typical crew: 1.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
Antoni Kocjan designed it at Warsztaty Szybowcowe to compete with the ITS-8, as a cheap ultra-light aircraft for converting glider pilots to powered flying. It first flew in March 1937.
Variants
The Bąk I had an 18 hp Kroeber M4 engine, and the Bąk II had a 32 hp Sarolea Albatros; 25 of the Bąk II were built.
Where you'll see it
It won an FAI duration record for Class D motor gliders with a flight of 5 hours 24 minutes, and an altitude record of 15,075 ft.
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