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Besson H 5

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Top speed
  
168 km/h

Length
  
22 m

Wingspan
  
29 m

Manufacturer
  
ANF Les Mureaux

Besson H-5 httpsuploadwikimediaorgwikipediacommonsthu

The Besson H-5 (or sometimes Besson MB-11) was a French transport quadruplane flying boat designed by the Marcel Besson company of Boulogne. The only H-5 was damaged and development was abandoned.

Contents

Development

The HB.5 (MB-10) originally started development as an open-sea reconnaissance/bombing flying-boat, but it was completed as a 20-seat passenger transport flying-boat. Described as grotesque it had two sets of staggered biplane wings with an unusual X-type bracing and a biplane tail with triple fins and rudders. Powered by four Salmson 9Z radial engines that were located in tandem pairs in line with the third mainplane. The H-5 had a conventional fuselage on a three-ply mahogany boat hull, which had 24 watertight compartments.

The H-5 was tested from the St Raphael naval air station in 1922 and proved to be stable with little vibration. After a few test flights the H-5 was accidentally damaged and development was abandoned.

Specifications

Data from

General characteristics

  • Crew: 5
  • Capacity: 20 passengers
  • Length: 22.0 m (72 ft 2 in)
  • Wingspan: 29.00 m (95 ft 2 in)
  • Height: 6.5 m (21 ft 4 in)
  • Wing area: 225 m2 (2,420 sq ft)
  • Empty weight: 5,500 kg (12,125 lb)
  • Max takeoff weight: 10,000 kg (22,046 lb)
  • Powerplant: 4 × Salmson 9Z water-cooled radial piston engine, 190 kW (260 hp) each

    • Performance

  • Maximum speed: 168 km/h (104 mph; 91 kn)
  • Range: 900 km (559 mi; 486 nmi)
  • Service ceiling: 3,500 m (11,483 ft)

    • References

    Besson H-5 Wikipedia
    (Text) CC BY-SA