Berger BX-50

BX-50

Role  | Recreational helicopter
Manufacturer  | Hans Berger
Designer  | Hans Berger
First flight  | 16 March 1961
Number built | 1

The Berger BX-50 was an experimental helicopter developed by Swiss inventor Hans Berger in 1961. Built largely at home, it was a single-seat design of conventional configuration with a bubble canopy, a two-blade rotor, and skid undercarriage. The upper portion of the canopy could slide to admit the pilot. After a number of test flights, the rotor was replaced with a semi-rigid three-blade design and the skids with tricycle, wheeled undercarriage. Not long after, it was damaged beyond repair and abandoned. In photographs, the registration number HB-XBC is visible, but this was never actually issued by Swiss authorities.

## Specifications

General characteristics

* Crew: one pilot
* Length: 5.35 m (17 ft 7 in)
* Diameter: 6.50 m (21 ft 4 in)
* Height: 2.28 m (7 ft 6 in)
* Wing area: 33.2 m2 (357 sq ft)
* Empty weight: 258 kg (569 lb)
* Gross weight: 410 kg (904 lb)
* Powerplant: 1 × Continental C90 , 63 kW (85 hp)

Performance

* Maximum speed: 140 km/h (87 mph, 76 kn)
* Range: 360 km (224 mi, 195 nmi)
* Rate of climb: 4.0 m/s (790 ft/min)

## References

* Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 153.
* Aero Revue (March 1964)
* Der Flieger (March 1964)

## See also

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