Caproni Ca.91

The Caproni Ca.91 was a proposed Italian flying boat designed by Caproni.

Caproni Ca 91
Role Flying boat
National origin Italy
Manufacturer Caproni
Status project only
Developed from Caproni Ca.90

Design and development

Like the Caproni Ca.90, the Ca.91 had three tandem pairs of 1,000 hp (746 kW) Isotta Fraschini Asso 1000 W-18 inline piston engines, but all three pairs were mounted on the lower wing.[1]

Specifications

Data from [2]

General characteristics

  • Crew: 7
  • Length: 31.30 m (102 ft 8 in)
  • Upper wingspan: 34.90 m (114 ft 6 in)
  • Lower wingspan: 46.60 m (152 ft 11 in)
  • Height: 9.80 m (32 ft 2 in)
  • Wing area: 500 m2 (5,400 sq ft)
  • Empty weight: 13,000 kg (28,660 lb)
  • Gross weight: 17,000 kg (37,479 lb)
  • Max takeoff weight: 30,000 kg (66,139 lb)
  • Powerplant: 6 × Isotta Fraschini Asso 1000 W-18 water-cooled inline piston engines, 750 kW (1,000 hp) each

Performance

  • Maximum speed: 200 km/h (120 mph, 110 kn)
  • Endurance: 7 hours
  • Service ceiling: 4,000 m (13,000 ft)

References
  1. Gianni Caproni, Biplano Ca 90, in Gli Aeroplani Caproni - Projects Studies Realizations from 1908 to 1935, Milan, Edizioni d'arte Emilio Bestetti, 1937, pp. 229-45, ISBN not existing.
  2. AA.VV., Caproni Ca.90, in Grande Enciclopedia Aeronautica, Milan, Edizioni Aeronautica L. Mancini, 1936, p. 154, ISBN not existing.
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