Bratukhin Omega
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| Omega | |
|---|---|
| Type | Experimental helicopter |
| Manufacturer | Bratukhin |
| Designed by | Ivan Pavlovich Bratukhin |
| Maiden flight | August 1941 (tethered) |
| Number built | 1 |
The Bratukhin Omega (also known as the 2MG) was an early Soviet helicopter, the first product of a new Soviet design bureau, OKB-3 that was created from within TsAGI specifically to develop rotary-wing aircraft. Taking his cue from the Focke-Achgelis Fa 61, Bratukhin's design was a side-by-side twin rotor machine, with each rotor carried on a long outrigger truss. Unlike the Focke-Achgelis machine, however, the Omega's rotors were each powered by a separate engine carried in a nacelle also at the end of the truss. Captive trials commenced in August 1941 and revealed severe problems with engine vibration and overheating. Before these could be addressed, however, OKB-3 was evacuated ahead of the German advance into the Soviet Union.
Flight testing recommenced in mid 1942, with the Omega still flying on a tether until early the next year. Free-flight trials confirmed the design as basically sound, so although the engine difficulties were never fully resolved, Bratukhin was convinced that further development along the same general lines would prove fruitful.
[edit] Specifications
General characteristics
- Crew: one pilot
- Capacity: 1 observer.
- Length: 8.2 m (26 ft 11 in)
- Main rotor diameter: 2× 7.0 m (23 ft 0 in)
- Main rotor area: 77.0 m² (839 ft²)
- Empty weight: 1,760 kg (3,880 lb)
- Gross weight: 2,050 kg (4,519 lb)
- Powerplant: 2 × MV-6, 164 kW (220 hp) each
Performance
- Maximum speed: 186 km/h (116 mph)
- Range: 250 km (156 miles)
- Service ceiling: 700 m (2,300 ft)
[edit] References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions, 194.
- World Aircraft Information Files. London: Bright Star Publishing, File 890 Sheet 76-77.
- Уголок неба
[edit] See also
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