Bleriot-SPAD 510


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Bleriot-SPAD 510

To meet the requirements of the French 1930 fighter programme, Andre Herbemont evolved the Bleriot SPAD 510. The Type 510, which was ordered as a single prototype to participate in the programme, was of allmetal construction with a duralumin monocoque rear fuselage, and fabric-covered wings and tail assembly. Powered by an Hispano-Suiza 12Xbrs 12-cylinder Vee liquid-cooled engine rated at 690hp 4000m, the Bleriot SPAD 510 was flown for the first time on 6 January 1933. After protracted evaluation, during which the centre fuselage was lengthened by 40cm to rectify a shortcoming in longitudinal stability and the vertical tail surfaces were enlarged to improve yaw characteristics, the type was ordered into production in August 1935. The first of 60 production examples were delivered early in the following year, the final two aircraft being accepted with the HS 12Xcrs engine and a 20mm Hispano-Suiza motor cannon. The standard armament comprised four wing-mounted MAC 1934 7.5mm guns. The Type 510 proved to be the last fighter biplane to be ordered for the Armee de l'Air.

W.Green, D.Swanborough "The Complete Book of Fighters", 2000

Bleriot-SPAD 510A three-view drawing (1647 x 1293)

 ENGINE1 x 690hp Hispano-Suiza 12Xbrs
  Take-off weight1677 kg3697 lb
  Empty weight1250 kg2756 lb
  Wingspan8.84 m29 ft 0 in
  Length7.46 m25 ft 6 in
  Height3.41 m11 ft 2 in
  Wing area22.00 m2236.81 sq ft
  Max. speed372 km/h231 mph
  Cruise speed324 km/h201 mph
  Ceiling10500 m34450 ft
  Rate of climb890 m/min2900 ft/min
  Range875 km544 miles
 ARMAMENT4 x 7.5mm

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