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The Blériot 127 (or Bl-127) was a French bomber aircraft of the 1920s and 1930s, developed from the Blériot 117 escort fighter. It was a large monoplane of conventional configuration that featured open gunner's positions in its nose and at the rear of its two underwing engine nacelles. The wing airfoil was of sufficient thickness that these latter positions could be accessed from the fuselage in flight.

Blériot 127
Blériot 127
Role	Bomber Type of aircraft
Manufacturer	Blériot
Designer	Leon Kirste
First flight	7 May 1926
Introduction	April 1929
Retired	1934
Primary user	Armée de l'Air
Number built	44

Forty-two aircraft were operated by the Armée de l'Air from 1929 until 1934, by which time they were thoroughly obsolete.

Variants

• 127/1 - Prototype with Hispano-Suiza 12Gb W-12 piston engines.[1]
• 127/2 - Main production version, fitted with two Hispano-Suiza 12Hb V-12 piston engines.[2]
• 127/3 - Single prototype of night bomber version.[3]
• 127/4 - Single conversion of 127/4 with revised undercarriage.[4]

  

• 137 - All-metal high-wing prototype designed in order to meet the requirements of the Service Technique de l'Aéronautique (STAé) of the French government towards the end of the 1920s for a light bomber and reconnaissance plane type designated as Multiplace de Combat.[5] The two aircraft built, (Bl-137 M0[6] and M1[7]), were eliminated from competition in favour of the competing Amiot 143. Other Multiplace de Combat prototypes built at the time, such as the SPCA 30 and the Breguet 410, underwent a similar fate to the Blériot 137.

Operators

 France

• French Air Force

Specifications (Blériot Bl-127/2)

Data from Jane's all the World's Aircraft 1928,[8] Aviafrance:Bl-127/2[2]

General characteristics

• Crew: 4 to 6
• Length: 14.5 m (47 ft 7 in)
• Wingspan: 23.2 m (76 ft 1 in)
• Height: 3.41 m (11 ft 2 in)
• Wing area: 88 m² (950 sq ft)
• Empty weight: 3,252 kg (7,169 lb)
• Gross weight: 4,466 kg (9,846 lb)
• Fuel capacity: 520 kg (1,150 lb)
• Powerplant: 2 × Hispano-Suiza 12Hb V-12 water-cooled piston engine, 410 kW (550 hp) each
• Propellers: 2-bladed fixed pitch wooden propellers

Performance

• Maximum speed: 221 km/h (137 mph, 119 kn) at 2,000 m (6,600 ft)
  

216 km/h (134 mph; 117 kn) at 4,000 m (13,000 ft)

207 km/h (129 mph; 112 kn) at 6,000 m (20,000 ft)

• Range: 1,500 km (930 mi, 810 nmi)
• Service ceiling: 8,100 m (26,600 ft)
• Time to altitude: 4,000 m (13,000 ft) in 12 minutes 21 seconds
• Wing loading: 50.7 kg/m² (10.4 lb/sq ft)
• Power/mass: 0.168 kW/kg (0.102 hp/lb)

Armament

• 2 × forward trainable 7.7 mm (0.30 in) Lewis guns in nose
• 2 × rearward trainable 7.7 mm (0.30 in) Lewis guns in each of two engine nacelles
• 1,000 kg (2,200 lb) of bombs carried in an internal bay

References

Further reading

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 162.
• World Aircraft Information Files. London: Bright Star Publishing. pp. File 890 Sheet 41.

На других языках

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[de] Blériot 127

Die Blériot 127 – auch unter der Bezeichnung Blériot Bl-127 bekannt – war ein Mehrzweck-Militärflugzeug des französischen Herstellers Blériot Aéronautique aus den 1920er Jahren.

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- [en] Blériot 127

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[fr] Blériot 127

Le Blériot 127 est un bombardier léger français des années 1920[1] ayant servi dans l'armée de l'air. Ce type d'avion était alors désigné M.4, pour quadriplace multirôle, dans la nomenclature militaire française.

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[it] Blériot 127

Il Blériot 127 fu un aereo militare multiruolo quadriposto, bimotore e monoplano ad ala bassa, sviluppato dall'azienda aeronautica francese Blériot Aéronautique negli anni venti.

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