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

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

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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