Blériot-SPAD S.46

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S.46
Bleriot-SPAD S.46.jpg
Role Airliner
Manufacturer Blériot
First flight June 16, 1921
Primary user Franco-Roumaine
Number built ca. 40
Developed from Blériot-SPAD S.33

The Bleriot-SPAD S.46 was a small French airliner of the 1920s, developed from the Blériot-SPAD S.33. Like its predecessor, it was a conventional biplane that seated four passengers in an enclosed cabin while the pilot and occasionally a fifth passenger rode in an open cockpit. The S.46 had a redesigned wing of longer span and a far more powerful engine. The type was employed by Franco-Roumaine, which purchased 38 out of the 40 examples produced for use on their continental European routes.

In 1922 one of the S.46s, modified to use a more powerful 336 kW (451 hp) Lorraine 12E Courlis W-12 engine was redesignated S.86. In 1929 this was changed to a Hispano-Suiza engine in the same power range and redesignated S.126.

In 1925, the surviving 34 Franco-Roumaine aircraft were recalled to Blériot where they underwent remanufacture to incorporate various refinements. These refurbished aircraft were redesignated S.66. One of these aircraft was subsequently also modified to use a more powerful 336 kW (451 hp) Lorraine 12E Courlis W-12 engine and redesignated S.116.

Variants[edit]

S.46
Single-engined passenger airliner, powered by a single 276 kW (370 hp) Lorraine-Dietrich 12Da V-12 engine.
S.66
38 remanufactured S.46s.
S.86
One S.46 was modified when it was fitted with the more powerful 336 kW (451 hp) Lorraine 12E Courlis W-12 engine.
S.116
One S.66 was modified with the more powerful 336 kW (451 hp) Renault 12Ja V-12 engine
S.126
The S.86 was further modified again, when it was fitted with a 336 kW (451 hp) Hispano-Suiza 12Ha V-12 engine.

Operators[edit]

 France

Specifications (S.46)[edit]

General characteristics

  • Crew: 1 pilot
  • Capacity: 5 passengers
  • Length: 9.05 m (29 ft 8 in)
  • Wingspan: 12.6 m (41 ft 4 in)
  • Height: 3.18 m (10 ft 5 in)
  • Wing area: 47 m2 (510 sq ft)
  • Empty weight: 1,417 kg (3,124 lb)
  • Gross weight: 2,270 kg (5,004 lb)
  • Powerplant: 1 × Lorraine-Dietrich 12Da V-12 water-cooled piston engine, 276 kW (370 hp)

Performance

  • Maximum speed: 214 km/h (133 mph; 116 kn)
  • Range: 800 km (497 mi; 432 nmi)
  • Service ceiling: 5,050 m (16,568 ft)
  • Rate of climb: 2.7 m/s (530 ft/min)

See also[edit]

Related development

S.33 - S.50 - S.56

References[edit]

  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 163. 
  • World Aircraft Information Files. London: Bright Star Publishing. pp. File 890 Sheet 42. 
  • aviafrance.com