Continuing his experiments, the Italian aircraft designer Giovanni Battista Caproni once again modified the aircraft’s design. In early 1911, a two-bay biplane, designated Ca.4, was constructed.
Innovative Design of the Ca.4
The Ca.4 was notable for its almost complete lack of a conventional fuselage. This structure was replaced by thin bamboo canes, which contributed significantly to the lightness of the aircraft’s construction and offered excellent visibility for the pilot.
Early Flight Trials
Despite its innovative approach to design, the Ca.4, much like Caproni’s earlier experimental aircraft, had a very short operational life, flying only for a brief period.
Technical Specifications
| Modification | Ca.4 |
| Upper wingspan, m | 10.50 |
| Aircraft length, m | 9.28 |
| Empty weight | 240 |
| Engine type | 1 Piston engine Rebus |
| Power, hp | 1 x 50 |
| Crew, crew members | 1 |
Image gallery of the Ca.4 (1911)
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APA: Ca.4 (1911) (). Ca.4 (1911). archivoaereo.com. https://archivoaereo.com/en/ca-4-1911-2/
VANCOUVER: Ca.4 (1911) [online]. archivoaereo.com; [cited 2026-05-16]. Available at: https://archivoaereo.com/en/ca-4-1911-2/