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| HV-4/28 |
| Type |
Airliner |
| National origin |
Austria |
| Manufacturer |
Hopfner |
| Designed by |
Theodor Hopfner |
| Maiden flight |
1928 |
| Primary user |
Rundflugunternehmen Theodor Hopfner |
| Number built |
1 |
The Hopfner HV-4/28 was a small airliner built in Austria in the late 1920s. An enlarged version of the HV-3/27, it was a conventional, high-wing cantilever monoplane with a fully enclosed cabin. A single example was built in 1928 and saw heavy use by the airline that year. In 1929, it received a major refurbishment that incliuded a change or powerplant from the original Heiro to a Gnome et Rhône-built Bristol Jupiter V engine and was sold to a private owner under the new designation HV-8/29GR. This aircraft was still flying at the time of the Anschluß, after which it received a new German registration.
[edit] Specifications (HV-4/28)
General characteristics
- Crew: One pilot
- Capacity: 5 passengers
- Length: 11.00 m (36 ft 1 in)
- Wingspan: 16.20 m (53 ft 2 in)
- Height: 3.30 m (10 ft 10 in)
- Wing area: 42.0 m² (452 ft²)
- Empty weight: 1,390 kg (3,060 lb)
- Gross weight: 1,970 kg (4,340 lb)
- Powerplant: 1 × Heiro, 170 kW (230 hp)
Performance
- Maximum speed: 125 km/h (78 mph)
- Endurance: 6 hours 30 min
[edit] References
- The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing, 2174.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions, 510.
- Уголок неба
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