Hanriot H.41

The Hanriot H.41 was a military trainer aircraft produced in France in the 1920s. It was a further development in the family of aircraft that had commenced with the HD.14 in 1920, and incorporated a number of design features that had been developed for other members of that family. Like those other aircraft, however, it was a conventional, two-bay biplane with unstaggered wings of equal span.

H.41
Role Trainer
National origin France
Manufacturer Hanriot
First flight 1925

The H.41 used the modern engine and mixed construction developed for the HD.40 air ambulance and used them in a new design for a military trainer. The design did not prove a success, however, and only eleven were built, with three different engine types. A floatplane variant based on the HD.17 was slightly more successful, with twelve examples exported to Greece and Portugal.

Variants
H.41
Two-seat training aircraft.
H.410
version with Lorraine 5Pa engine (5 built)
H.411
version with Salmson 7Ac engine (2 built)
LH.412
version with Lorraine 5Pb engine (4 built, plus 3 converted from H.410)
HD.41H
:(Hydro) - floatplane with Salmson 9Ac engine (12 built)+ (10 built in Yugoslav Aircraft factory "Zmaj" Zemun)

Operators
Yugoslavia HD.41H
 Greece
 Portugal
 Yugoslavia
  • Yugoslav Royal Navy

Specifications (variant)

Data from Jane's all the World's Aircraft 1928[1]

General characteristics

  • Crew: 2
  • Length: 7.25 m (23 ft 9 in)
  • Wingspan: 10.26 m (33 ft 8 in)
  • Height: 3.13 m (10 ft 3 in)
  • Wing area: 34.9 m2 (376 sq ft)
  • Empty weight: 625 kg (1,378 lb)
  • Gross weight: 900 kg (1,984 lb)
  • Powerplant: 1 × Lorraine 5P 5-cylinder air-cooled radial piston engine, 75 kW (100 hp)
  • Propellers: 2-bladed fixed pitch propeller

Performance

  • Maximum speed: 185 km/h (115 mph, 100 kn)
  • Landing speed: 50 km/h (31 mph; 27 kn)
  • Range: 400 km (250 mi, 220 nmi)
  • Service ceiling: 3,500 m (11,500 ft)
  • Time to altitude: 1,000 m (3,300 ft) in 13 minutes
  • Wing loading: 25.8 kg/m2 (5.3 lb/sq ft)
  • Power/mass: 0.0830 kW/kg (0.0505 hp/lb)

References
  1. Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 104c.

Further reading
  • Isaic, Vladimir (September 1999). "L'hydroaviation français Hanriot 41: un appareil d'entraînement construit sous licence en Yugoslavie" [The Hanriot 41 Seaplane: A Trainer Constructed Under License in Yugoslavia] (in French) (78): 30–35. ISSN 1243-8650. Cite journal requires |journal= (help)
  • Janić, Čedomir; O. Petrović (2011). Short History of Aviation in Serbia. Beograd: Aerokomunikacije. ISBN 978-86-913973-2-6.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 470.
  • World Aircraft Information Files. London: Bright Star Publishing. pp. File 896 Sheet 11.
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