Caproni Ca.12
1910s experimental aircraft model by Caproni
The Caproni Ca.12 was a two-seater single-engine monoplane built by Caproni in the early 1910s.
Design
The Ca.12 was a modern high wing monoplane with a wooden structure and canvas covering, equipped with a wing warping system to control the roll and reinforced by metal tie rods connected to the fuselage and to a special structure placed above it; the fuselage was based on a wooden lattice structure, in turn reinforced by metal cables, and was covered in cloth only for the front half; the same wooden structure with a canvas covering characterized the empennages. The fixed undercarriage was composed of two front wheels with anti-overblank pads and another smaller, tailed shoe.
The Ca.12 differed from its immediate predecessors mainly due to the fact of being a two-seater, with the two cockpits arranged "in tandem" (i.e. one behind the other); moreover, the Ca.12 differed from the Ca.11 for the greatly enlarged wing opening and for the engine, a radial Anzani 6A3 6- cylinder double star capable of developing a power of 60 hp. Other versions of the same model were powered by 50 or 70 hp engines.
Operational use
In the afternoon of March 20, 1912, the pilot Enrico Cobioni (who had obtained the flying license in the aviation school annexed to the Caproni workshops in Vizzola Ticino and had become a brilliant test driver, distinguishing among other things for the first flights on Caproni Ca. 9 and Ca.11 ) took off from the field of Vizzola aboard a standard Ca.12, a two-seater with 50 hp engine, and began to repeatedly travel a circuit of 5 km marked on the ground by six pylons. Driving the first 100 km (20 laps) in 56 min, the second 100 km in 57 min and the third 100 km back in 56 min, at an almost constant average speed of 106.5 km / h, Cobioni beat the world speed record both on the distance of 250 km and on that of 300 km, as well as on the duration of 3 h . [7] [8] The official nature of the test was guaranteed by the engineer Vogel, commissioner of the Italian Aviation Society (SIA), and by the commissioners added lieutenants Del Giudice and Garino.
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