Caproni Ca.37

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Role Ground attack aircraft
National origin Italy
Manufacturer Caproni
First flight 1916
Number built 1

The Caproni Ca.37 was a ground attack aircraft designed and built in Italy by Caproni around 1916

Design and development[edit]

During 1916 Caproni embarked on the design of a small light ground attack aircraft which followed the design philosophy of its much larger cousins the Ca.3 and Ca.4.[1]

3/4 rear view of the Ca.37

The Ca.37 followed the twin boom layout with central nacelle, which housed the tandem cockpits and the 190 kW (250 hp) Lancia Tipo 4 6-cylinder in-line piston engine, driving a 2-bladed pusher propeller. The tail-plane spanned across the two tail-booms and mounted two all-flying rudders for yaw control. Twin main-wheel units were strut mounted under each boom which also carried wooden tail-skids.[1]

The front cockpit was to house a gunner with a flexibly mounted machine-gun. Small bombs were also to be carried for trench attacks and anti-personnel attacks.[1]

Limited further development, in the form of streamlined pod and booms, was carried out as the Ca.38, but no production resulted.[1]


The sole Ca.37 prototype.
A new-build aircraft, or conversion of the sole Ca.37, with streamlined pod and booms for improved performance, but still no production orders.

Specifications (Ca.37)[edit]

Data from Aeroplani Caproni[1]

General characteristics

  • Crew: 2
  • Length: 11.2 m (36 ft 9 in)
  • Wingspan: 11.3 m (37 ft 1 in)
  • Wing area: 65 m2 (700 sq ft)
  • Empty weight: 1,300 kg (2,866 lb)
  • Gross weight: 1,800 kg (3,968 lb)
  • Powerplant: 1 × Lancia Tipo 4 6-cylinder in-line water-cooled piston engine, 190 kW (250 hp)
  • Propellers: 2-bladed fixed pitch wooden pusher propeller


  • Maximum speed: 165 km/h (103 mph, 89 kn) Ca.37 (170 km/h (110 mph; 92 kn) Ca.38)


  • Guns: 1x flexibly mounted machine gun in the nose cockpit plus unspecified other armament


  1. ^ a b c d e Abate, Rosario; Alegi, Gregory; Apostolo, Giorgio (1992). Aeroplani Caproni (English translated ed.). Milano: Museo Caproni.