Hirtenberg HV.15

(Redirected from WNF Wn 15)

The Hirtenberg HV.15 was a twin-engine Austrian monoplane produced by Hirtenberg.

Hirtenberg HV.15
Role Passenger aircraft
National origin Austria
Manufacturer Hirtenberg
First flight March 8, 1936
Number built 1

Design and development

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The HV.15 was the company's first twin-engined aircraft, originally made for the civilian market. Designed for mass production, the aircraft was planned to be a passenger aircraft or light transport. The HV.15 first flew on March 8, 1936, powered by the most powerful engines available to Austria at the time, a pair of Siemens-Halske Sh 14A rotary engine, each producing 160 hp (119 kW).

Specifications

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General characteristics

  • Crew: 2
  • Capacity: 4 passengers
  • Length: 10.65 m (34 ft 11 in)
  • Wingspan: 15 m (49 ft 3 in)
  • Height: 2.9 m (9 ft 6 in)
  • Wing area: 33 m2 (360 sq ft)
  • Empty weight: 1,550 kg (3,417 lb)
  • Gross weight: 2,200 kg (4,850 lb)
  • Powerplant: 2 × Siemens-Halske Sh 14A radial engine, 120 kW (160 hp) each

Performance

  • Maximum speed: 235 km/h (146 mph, 127 kn)
  • Cruise speed: 198 km/h (123 mph, 107 kn)
  • Range: 900 km (560 mi, 490 nmi)
  • Service ceiling: 5,200 m (17,100 ft)

References

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  • Nowarra, Heinz (1988). Die deutsche Luftrüstung 1933-1945, Volume 4 (in German). Bernard & Graefe. p. 43. ISBN 978-3-7637-5464-9.
  • Keimel, Reinhard (2003). Luftfahrzeugbau in Österreich. Von dem Anfängen bis zur Gegenwart. Enzyklopädie (in German). Aviatic. ISBN 978-3-925505-78-2.