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Bloch MB.300

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Top speed
  
350 km/h

Length
  
25 m

Wingspan
  
26 m

Manufacturer
  
Société des Avions Marcel Bloch

The Bloch MB.300 "Pacifique" (a.k.a. La Grosse Julie, "Big Julie") was a French all-metal three-engine monoplane that was developed to enter service as an Air France airliner. Though a single prototype was produced by Société des Avions Marcel Bloch in 1935, it was eventually rejected by Air France circa 1938.

Contents

Design and development

Test flight happened on November 15 or November 16, 1935 at the Villacoublay airfield with test pilots André Curvale and Jean Lapeyr. The prototype (F-AONB) went under a serie of modifications in early 1936 then again in March 1937. Passengers number was then reduced from 30 to 24.

It officially entered in service with the Air France fleet in January 1938 (as F-AOUI). Its whereabouts are unknown, yet reports say it was delivered to Spain.

Specifications

Data from

General characteristics

  • Crew: 4
  • Capacity: 27 passengers daytime, 12 passenger sleeper or 4,580 kg (10,097 lb) payload
  • Length: 24.9 m (81 ft 8 in)
  • Wingspan: 25.9 m (85 ft 0 in)
  • Height: 6.75 m (22 ft 2 in)
  • Wing area: 100 m2 (1,100 sq ft)
  • Empty weight: 9,000 kg (19,842 lb)
  • Gross weight: 13,580 kg (29,939 lb)
  • Powerplant: 3 × Gnome-Rhône 14N-16 / -17 14-cyl. two-row air-cooled piston engines with left and right hand rotation, 682 kW (915 hp) each at 1,750 m (5,741 ft)
    (left and right hand rotation)

    • Performance

  • Maximum speed: 350 km/h (217 mph; 189 kn) at 2,200 m (7,218 ft)
  • Minimum control speed: 100 km/h (62 mph; 54 kn)
  • Landing speed: 75 km/h (47 mph)
  • Range: 1,000 km (621 mi; 540 nmi)
  • Service ceiling: 8,000 m (26,247 ft)

    • References

    Bloch MB.300 Wikipedia
    (Text) CC BY-SA