Caudron R.11

R.11

Caudron R.11 at the Air Service, United States Army Air Service Production Center No. 2, Romorantin Aerodrome, France, 1918
Role	Bomber, Reconnaissance, Escort
Manufacturer	Caudron
Designer	Paul Deville
First flight	1917
Retired	July 1922
Primary user	France
Number built	370

The Caudron R.11, (mis-identified in Jane's 1919 as the Caudron R.II), was a French five-seat twin-engine bomber, reconnaissance and escort biplane developed and produced by Caudron during the First World War.

Development

The R.11 was originally intended to fulfill the French Corps d'Armee reconnaissance category. Its design was similar to the Caudron R.4, but with a more pointed nose, two bracing bays outboard the engines rather than three, no nose-wheel, and a much larger tail. The engines were housed in streamlined nacelles just above the lower wing.

Operational history

The French army ordered 1000 R.11s. Production began in 1917, with the first aircraft completed late in that year. In February 1918 the first Escadrille (squadron) R.26 was equipped. The last escadrille to form before the Armistice (and abrupt end of production) was R.246, at which point 370 planes had been completed.

Variants

The Caudron R.12 was an experimental version of the R.11, with a larger engine. Development ended when the Caudron R.14 variant appeared in August 1918.

Operators

France
United States

American Expeditionary Force

Units using this aircraft

Escadrille R.46
Escadrille R.239
Escadrille R.240
Escadrille R.241
Escadrille R.242
Escadrille R.246

Specifications

Caudron R.11 drawing

Data from The Complete Book of Fighters ^[1]^[2]

General characteristics

Crew: 3
Length: 11.25 m (36 ft 11 in)
Upper wingspan: 17.92 m (58 ft 10 in)
Lower wingspan: 16.9 m (55 ft 5 in)
Height: 2.7 m (8 ft 10 in)
Wing area: 54.25 m² (583.9 sq ft)
Empty weight: 1,422 kg (3,135 lb)
Gross weight: 2,167 kg (4,777 lb)
Fuel capacity: 220 l (48 imp gal; 58 US gal)
Powerplant: 2 × Hispano-Suiza 8Bba V-8 water-cooled piston engines, 160 kW (210 hp) each
Propellers: 2-bladed wooden fixed pitch propellers

Performance

Maximum speed: 190 km/h (118 mph; 103 kn) at sea level 167.3 km/h (90.3 kn; 104.0 mph) at 5,000 m (16,000 ft)
Endurance: 3
Service ceiling: 5,950 m (19,521 ft)
Time to altitude: 2,000 m (6,600 ft) in 8minutes 6 seconds; 3,000 m (9,800 ft) in 14 minutes 18 seconds; 5,000 m (16,000 ft) in 39 minutes

Armament

Guns: 5x 7.7 mm (0.30 in) Lewis machine guns

References

Wikimedia Commons has media related to Caudron aircraft.

Notes

↑ Green and Swanborough 1994, p.111.
↑ Gey, C.G. (1969). Jane's all the World's Aircraft 1919 (Facsimile ed.). London: David & Charles (Publishers) Limited. p. 224a. ISBN 07153 4647 4.

Bibliography

Donald, David, ed. (1997). The Encyclopedia of World Aircraft. Prospero Books. p. 235. ISBN 1-85605-375-X.
Green, W; Swanborough, G (1994). The Complete Book of Fighters. New York: Smithmark. ISBN 0-8317-3939-8.

Aircraft produced by Caudron

Type G
G.2
G.3
G.4
G.6
Type R
R.2
R.3
R.4
R.5
R.6
R.8
R.9
R.10
R.11
R.12
R.14
R.15
R.19
C.02
C.17
C.20
C.21
C.22
C.23
C.25
C.27
C.33
C.37
C.39
C.43
C.51
C.59
C.60
C.61
C.65
C.66
C.67
C.68
C.74
C.77
C.81
C.87
C.91
C.92
C.97
C.98
C.99
C.101
C.103
C.104
C.107
C.109
C.110
C.113
C.117
C.125
C.127
C.128
C.140
C.150
C.160
C.180
C.183
C.190
C.220
C.230
C.240
C.250
C.270
C.280
C.320
C.340
C.360
C.362
C.366
C.400
C.410
C.400
C.430
C.440
C.450
C.460
C.480
C.490
C.500
C.510
C.520
C.530
C.560
C.570
C.580
C.600
C.610
C.620
C.630
C.640
C.660
C.670
C.680
C.690
C.710
C.720
C.760
C.770
C.800
C.801
C.810
C.811
C.860
C.870
C.880

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