Besson MB.35

Source: Wikipedia, the free encyclopedia.
MB.35 Passe Partout
Role observation floatplane
National origin France
Manufacturer
Besson
Designer Marcel Besson
First flight 1926[1]
Primary user French Navy
Number built 2
Variants Besson MB.411

The Besson MB.35 Passe Partout was a French two-seat spotter and observation floatplane, designed by

Besson. It was intended to serve on Surcouf a very large (for its day) submarine, stowed in a sealed hangar.[1] The first aircraft was destroyed during trials and the second was converted to the MB.41, prototype of the Besson MB.411, which did serve on Surcouf.[2]

Operators

 France

Specification (MB.35)

Besson MB.35 3-view drawing from L'Air December 1, 1926

Data from Jane's all the World's Aircraft 1928,[3] Biplanes, Triplanes, and Seaplanes,[1] Submarines with wings : the past, present and future of aircraft-carrying submarines[2]

General characteristics

  • Crew: 2
  • Length: 7.3 m (23 ft 11 in) wings spread
  • Wingspan: 9.85 m (32 ft 4 in) wings spread
  • Width: 2.2 m (7 ft 3 in) wings folded for submarine stowage
  • Length folded: 6.5 m (21 ft)
  • Height: 2.53 m (8 ft 4 in)
  • Wing area: 16.5 m2 (178 sq ft)
  • Empty weight: 540 kg (1,190 lb)
  • Gross weight: 765 kg (1,687 lb)
  • Powerplant: 1 ×
    Salmson 9AC
    9-cylinder air-cooled radial piston engine, 89 kW (120 hp)
  • Propellers: 2-bladed fixed pitch propeller

Performance

  • Maximum speed: 160 km/h (99 mph, 86 kn)
  • Range: 346 km (215 mi, 187 nmi)
  • Ferry range: 644 km (400 mi, 348 nmi) with overload tank in rear cockpit
  • Service ceiling: 4,800 m (15,700 ft)
  • Wing loading: 47.5 kg/m2 (9.7 lb/sq ft)
  • Power/mass: 0.1174 kW/kg (.0714 hp/lb)

References

  1. ^ .
  2. ^ .
  3. ^ Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. pp. 113c–114c.

Bibliography