Caproni Vizzola F.6
| Industry | Aerospace |
|---|---|
| Founded | 1940s |
| Headquarters | Italy |
| Products | Aircraft |
The Caproni Vizzola F.6 was an Italian fighter aircraft from the World War II period, constructed by Caproni. This single-seat, low-wing monoplane featured cantilever wings and retractable landing gear. Only two units were produced, identified as F.6M and F.6Z prototypes respectively.
F.6M
The F.6 originated as a modification project that integrated the airframe of the Italian Caproni Vizzola F.5 fighter with the German Daimler-Benz DB 605A liquid-cooled inverted V-12 engine. To achieve this, Caproni preserved the fuselage from the F.5 model but substituted its wooden wings for newly designed metal ones. This variant was named F.6M, where "F" refers to Fabrizi, the original F.5 designer, and "M" denotes Metallico. Its armament was enhanced to carry double the firepower of the F.5, featuring four 12.7 millimetres (0.50 in) Breda-SAFAT machine guns; however, while the prototype was fitted with two guns in the fuselage and provisions for two additional wing-mounted guns, these wing weapons were never installed.
The first flight of the F.6M prototype took place in September 1941, initially fitted with a large radiator positioned under the nose behind the propeller. Testing revealed that this radiator placement caused considerable aerodynamic drag, prompting a redesign that relocated the radiator to a ventral position behind the cockpit.
Following damage sustained in a collision at Bresso airfield, Caproni chose to discontinue development of the F.6M and redirect efforts toward advancing the Caproni Vizzola F.7 fighter program.
F.6Z
Soon after initiating the design of the F.6M, Caproni started developing a second F.6 variant intended to be equipped with the Isotta Fraschini Zeta R.C.25/60 24-cylinder X-type engine, which was designated the F.6Z—where "Z" denotes Zeta. This model was planned to be armed with three 12.7-millimeter (0.50-inch) Breda-SAFAT machine guns: one mounted in the fuselage and two installed in the wings. The progression of the F.6Z was significantly hindered by delays in engine development, but it ultimately achieved its first flight in August 1943.
Flight testing conducted during August and September 1943 revealed that despite the Zeta engine being rated at 1,100 kilowatts (1,500 horsepower), it was only delivering approximately 900 kilowatts (1,200 horsepower). This issue remained unresolved prior to the World War II Italian armistice with Allied forces on 8 September 1943, which consequently terminated the F.6Z program. The single F.6Z prototype stands as the only fighter ever powered by the Zeta engine.[1] Another fighter design, the Reggiane Re.2004, was also intended to utilize this engine but never progressed beyond planning stages.[2]
Operators
Variants
- F.6M
- Initial prototype powered by a German-manufactured Daimler-Benz DB 605A engine
- F.6Z
- Second prototype featuring an Isotta Fraschini Zeta R.C.25/60 powerplant
- F.7
- A substantially redesigned version of the F.6 equipped with a 1,175 h.p. Alfa Romeo R.A.1000 R.C.44-la Monsone (Monsoon), a license-built DB 601A-l engine. Development ceased following the September 1943 armistice.[3]
Specifications (F.6M)
See also
Notes
References
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- Green, William, and Gordon Swanborough. The Complete Book of Fighters: An Illustrated Encyclopedia of Every Fighter Aircraft Built and Flown. New York: SMITHMARK Publishers, 1994. ISBN 0-8317-3939-8.
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