Bartel BM.4
Samolot · Poland · first flew 1927 · light aircraft
The Bartel BM.4 was a Polish biplane primary trainer aircraft used from 1929 to 1939 by the Polish Air Force and Polish civilian aviation. It was the first plane of Polish design put into production.
Recognition (WEFT)
| W — Wings | Mid-mounted, straight |
|---|---|
| E — Engines | 1 × piston, nose-mounted |
| F — Fuselage | 7.22 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Biplane primary trainer
- Single rotary engine with a two-bladed wooden propeller
- Two seats
A two-seat biplane powered by an 80 hp Le Rhone 9C nine-cylinder rotary engine.
Specifications
- The Bartel BM.4 has a length of 7.22 m (24 ft).
- It has a wingspan of 10.175 m (33 ft).
- Its maximum speed is 125 km/h (78 mph).
- Typical crew: 2.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
It first flew on 20 December 1927 and was manufactured in the Samolot factory in Poznan. Production ran from 1928 to 1932 and about 75 were built.
Variants
Variants differed mainly in their engines.
Where you'll see it
It served as a primary trainer with the Polish Air Force and in Polish civilian aviation from 1929 until 1939.
Related aircraft
- Bartel BM 2
- Bartel BM 5
- Samolot Sp.I
- Bartel BM 6
- Akaflieg Darmstadt D-17 Darmstadt
- ANBO II
- Avia BH-27
- Avia BH-29
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