Caproni Ca.91

1930s proposed Italian flying boat

Caproni Ca 91
Role	Flying boat Type of aircraft
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

^ 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.
^ AA.VV., Caproni Ca.90, in Grande Enciclopedia Aeronautica, Milan, Edizioni Aeronautica L. Mancini, 1936, p. 154, ISBN not existing.

Caproni aircraft

Establishments
Taliedo

Company WW1 HP designations	80 hp 260 hp 300 hp 350 hp 450 hp 600 hp 700 hp 750 hp 750 hp (2) 900 hp 1,200 hp
Numerical designation sequence^2,³	Ca.1 Ca.2 Ca.3 Ca.4 Ca.5 Ca.6 Ca.7 Ca.8 Ca.9 Ca.10 Ca.11 Ca.12 Ca.13 Ca.14 Ca.15 Ca.16 Ca.17 Ca.18 Ca.19 Ca.20 Ca.21 Ca.22 Ca.23 Ca.24 Ca.25 Ca.26 Ca.27 Ca.28 Ca.29 Ca.30 Ca.31 Ca.32 Ca.33 Ca.34 Ca.35 Ca.36 Ca.37 Ca.38 Ca.39 Ca.40 Ca.41 Ca.42 Ca.43 Ca.44 Ca.45 Ca.46 Ca.47 Ca.48 Ca.49 Ca.50 Ca.51 Ca.52 Ca.53 Ca.54 Ca.55 Ca.56a Ca.57 Ca.58 Ca.59 Ca.60 Ca.61 Ca.62 Ca.63 Ca.64 Ca.65 Ca.66 Ca.67 Ca.68 Ca.69 Ca.70 Ca.71 Ca.72 Ca.73 Ca.74 Ca.75 Ca.76 Ca.77 Ca.78 Ca.79 Ca.80 Ca.81 Ca.82 Ca.83 Ca.84 Ca.85 Ca.86 Ca.87 Ca.88 Ca.89 Ca.90 Ca.91 Ca.92 Ca.93 Ca.94 Ca.95 Ca.96 Ca.97 Ca.98 Ca.99 Ca.100 Ca.101 Ca.102 Ca.103 Ca.104 Ca.105 Ca.106 Ca.107 Ca.108 Ca.109 Ca.110 Ca.111 Ca.112 Ca.113 Ca.114 Ca.115 Ca.116 Ca.117 Ca.118 Ca.119 Ca.120 Ca.121 Ca.122 Ca.123 Ca.124 Ca.125 Ca.126 Ca.127 Ca.128 Ca.129 Ca.130 Ca.131 Ca.132 Ca.133 Ca.134 Ca.135 Ca.136 Ca.137 Ca.138-139¹ Ca.140 Ca.141 Ca.142 Ca.143 Ca.144-145¹ Ca.146 Ca.147¹ Ca.148 Ca.149¹ Ca.150 Ca.151 Ca.152¹ Ca.153 Ca.154 Ca.155 Ca.156 Ca.157-159¹ Ca.160 Ca.161 Ca.162 Ca.163 Ca.164 Ca.165 Ca.166 Ca.167 Ca.168¹ Ca.169 Ca.170-172¹ Ca.173 Ca.174¹ Ca.175 Ca.176 Ca.177 Ca.178¹ Ca.179 Ca.180-182¹ Ca.183 Ca.184 Ca.185¹ Ca.186 Ca.187-189¹ Ca.190 Ca.191 Ca.192¹ Ca.193 Ca.194 Ca.195 Ca.196 Ca.197 198-199¹ Ca.200¹ Ca.201 Ca.202-203¹ Ca.204 Ca.205 Ca.206¹ Ca.207 Ca.208-210¹ Ca.211 Ca.212-213¹ Ca.214 Ca.215¹ Ca.216 Ca.217-224¹ Ca.225
Names	Cinquemotore Transaereo Noviplano Capronissimo
WW1 Military designations	Ca.1 Ca.2 Ca.3 Ca.4 Ca.5