Bratukhin B-11
Bratukhin · Soviet Union · first flew 1948 · helicopter
The Bratukhin B-11 was a prototype Soviet twin-rotor transport helicopter.
Recognition (WEFT)
| W — Wings | High-mounted, rotary |
|---|---|
| E — Engines | 2 × piston, fuselage-mounted |
| F — Fuselage | 9.76 m fuselage |
| T — Tail | No tailplane |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Twin transverse rotors
- Two Ivchenko AI-26G(F) radial piston engines
- Transport helicopter with three crew
A transverse-rotor helicopter with two 10 m rotors and two Ivchenko AI-26G(F) radial engines.
Specifications
- The Bratukhin B-11 has a length of 9.76 m (32 ft).
- It has a wingspan of 10 m (33 ft).
- Its maximum speed is 155 km/h (96 mph).
- Typical crew: 3.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
It was the last design of the Bratukhin aircraft design bureau to be built, and first flew in 1948.
Variants
It was similar to the earlier B-5 twin-rotor helicopter. The second prototype was re-designed and rebuilt after a crash in December 1948.
Where you'll see it
Two were built; it remained a prototype.
Related aircraft
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