HB-Flugtechnik HB-23
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| HB-3, HB-21, and HB-23 | |
|---|---|
| Type | Motorglider |
| Manufacturer | HB-Flugtechnik |
| Designed by | Heino Brditschka |
| Maiden flight | 1973 |
The HB-Flugtechnik HB-3, HB-21 and HB-23 are a family of motor gliders of unorthodox configuration developed in Austria in the early 1970s. The unusual design was based on work done by Fritz Raab in Germany in the 1960s. The pilot and passengers sit in a fuselage pod with the engine and propeller behind them. The pod also carries the fixed tricycle undercarriage and the high cantilever wing. The tail is carried on a pair of booms that emerge from the top and bottom of the fuselage pod, the upper of which passes through the propeller hub. The HB-21 has a conventional tail and has two seats in tandem accessed by a sidewards-hinged canopy, while the HB-23 has a T-tail and side-by-side seating accessed via gull-wing doors in the canopy.
[edit] Specifications (HB-23)
General characteristics
- Crew: one pilot
- Capacity: 1 passenger
- Length: 8.00 m (26 ft 3 in)
- Wingspan: 16.40 m (53 ft 10 in)
- Height: 2.45 m (8 ft 0 in)
- Wing area: 19.1 m² (205 ft²)
- Empty weight: 560 kg (1,235 lb)
- Gross weight: 760 kg (1,676 lb)
- Powerplant: 1 × Volkswagen air-cooled engine, 75 kW (100 hp)
Performance
- Maximum speed: 178 km/h (111 mph)
- Maximum glide ratio: 20
- Rate of sink: 1.3 m/s (256 ft/min)
[edit] References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions, 195.
- Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing, 87-88.
- fsg-grimming.at
- www.lokh.at - HB23 Daten
[edit] See also
Related development Raab Motorkrähe IV - HB-Flugtechnik HB-400
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