Blériot-SPAD S.XXI

The Blériot-SPAD S.XXI was a prototype fighter plane built by SPAD in the late 1910s, derived from the Spad S.XIII.

S.XXI
Role	Fighter
Manufacturer	Blériot
Designer	André Herbemont
First flight	1918
Primary user	Aéronautique Militaire
Number built	1
Developed from	Spad S.XIII

Specifications

Data from

General characteristics

• Crew: one
• Length: 6.40 m (21 ft 0 in)
• Wingspan: 8.43 m (27 ft 8 in)
• Height: 2.41 m (7 ft 11 in)
• Wing area: 23.5 m² (253 sq ft)
• Empty weight: 750 kg (1,653 lb)
• Gross weight: 1,048 kg (2,310 lb)
• Powerplant: 1 × Hispano-Suiza 8Fb V-shaped 8-cylinder inline engine , 220 kW (300 hp)

Performance

• Maximum speed: 221 km/h (137 mph, 119 kn)
• Service ceiling: 7,000 m (23,000 ft)

Armament

• 2 × fixed forward-firing synchronized 7.7 mm (0.303 in) Vickers machine guns

See also

Related development

• S.XIII