Bensen B-9
From Infogalactic: the planetary knowledge core
| B-9 Little Zipster | |
|---|---|
| Role | Recreational helicopter |
| National origin | USA |
| Manufacturer | Bensen Aircraft for homebuilding |
| Designer | Igor Bensen |
| First flight | 1958 |
The Bensen B-9 Little Zipster was a small helicopter developed by Igor Bensen in the United States in the 1950s and marketed for home building. Similar in general configuration to Bensen's previous rotor kite and autogyro designs, it consisted of an open aluminum framework but substituted the autorotating main rotor for a coaxial, counter-rotating system of two, two-bladed rotors. A large tailfin provided directional stability, and the aircraft was controlled by a handlebar system extending over the pilot's head to the rotor hub.
Specifications
General characteristics
- Crew: One pilot
- Length: 11 ft 6 in (3.51 m)
- Main rotor diameter: 2× 22 ft 0 in (6.71 m)
- Main rotor area: 694 ft2 (64.5 m2)
- Empty weight: 450 lb (200 kg)
- Gross weight: 700 lb (320 kg)
- Powerplant: 1 × Mercury engine, 70 hp (55 kW)
Performance
- Maximum speed: 80 mph (130 km/h)
- Range: 100 miles (160 km)
- Service ceiling: 11,000 ft (3,400 m)
- Rate of climb: 900 ft/min (4.6 m/s)
References
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Wikimedia Commons has media related to Bensen aircraft. |
- Bensen Aircraft Foundation[dead link]
- Vortech page on B-9
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