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Bartel BM-4

Bartel BM-4a


General information


ManufacturerBartel
ModelBM-4
ModificationBM-4a
CountryPoland
Years1927
TypeOther
Main rotor diameter-
Tail rotor diameter-
Wingspan10.17 m
Length7.22 m
Height2.93 m
Wing area25.00 m2
Zero fuel weight-
Empty weight538 kg
Maximum takeoff weight-
Normal takeoff weight791 kg
Flight duration-
Engine1 Le Rhone C
Power1 x 80 HP
Thrust-
Maximum speed125 km/h
Cruising speed91 km/h
Rate of climb-
Practical range315 km
Service ceiling2820 m
Hovering ceiling-
Crew2