CANSA FC.20
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The CANSA FC.20 was a twin engine reconnaissance bomber/ground attack
monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
designed and built in
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
in 1941. Several versions with different armament and engines were flown but only the FC.20bis ground attack variant reached squadron service, in very small numbers, before the 1943 armistice.


Design and development

The FC.20 was originally intended as a reconnaissance bomber but was developed instead as a
ground attack In military tactics, close air support (CAS) is defined as air action such as air strikes by fixed or rotary-winged aircraft against hostile targets near friendly forces and require detailed integration of each air mission with fire and movement ...
aircraft. The first prototype first flew on 12 April 1941, piloted by Moroni. Four variants were structurally and aerodynamically similar apart from the front fuselage detail and engine installations. The FC.20 was a
cantilever A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a canti ...
low wing monoplane with a straight tapered wing of aspect ratio about 6.4. The
leading edge The leading edge of an airfoil surface such as a wing is its foremost edge and is therefore the part which first meets the oncoming air.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 305. Aviation Supplies & Academics, ...
was almost unswept and the tips rounded. The wing had positive dihedral outboard of the engines. The trailing edges carried short span,
tabbed In interface design, a tab is a graphical user interface object that allows multiple documents or panels to be contained within a single window, using tabs as a navigational widget for switching between sets of documents. It is an interface ...
aileron An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement around ...
s and
split flap A flap is a high-lift device used to reduce the stalling speed of an aircraft wing at a given weight. Flaps are usually mounted on the wing trailing edges of a fixed-wing aircraft. Flaps are used to reduce the take-off distance and the landing ...
s which reached past the lower engine fairings to the wing roots. The twin engines were mounted forward of the leading edge with the propeller shaft in the wing plane; the mainwheels of the
conventional undercarriage Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...
retracted backwards into the extended underwing engine fairings. The FC.20 had a twin tail, with elliptically shaped endplate vertical surfaces almost equally divided vertically between
fin A fin is a thin component or appendage attached to a larger body or structure. Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilize motion while traveling in water, air, or other fluids. Fin ...
and
rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally aircraft, air or watercraft, water). On an aircraft the rudder is used primarily to ...
. These were mounted on a tapered tailplane with significant dihedral, carrying tabbed, tapered elevators. The rear fuselage extended beyond the
empennage The empennage ( or ), also known as the tail or tail assembly, is a structure at the rear of an aircraft that provides stability during flight, in a way similar to the feathers on an arrow.Crane, Dale: ''Dictionary of Aeronautical Terms, third ed ...
, providing a housing for the retractable talwheel. In the unarmed reconnaissance bomber first prototype FC.20, the side-by-side
cockpit A cockpit or flight deck is the area, usually near the front of an aircraft or spacecraft, from which a Pilot in command, pilot controls the aircraft. The cockpit of an aircraft contains flight instruments on an instrument panel, and the ...
was placed above the wing leading edge. A long glazed nose extended forwards from the cockpit to beyond the plane of the propellers. The second, ground attack FC.20bis prototype differed chiefly from the first in having a shortened nose, a cockpit placed ahead of the wing leading edge and full armament, though there was also a slight increase in wing area. The solid nose contained a 37 mm (1.46 in) Breda cannon, supplemented by a pair of 12.7 mm (0.5 in)
machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) a ...
s in the wing roots. An enclosed, rotating dorsal turret to the rear of the cockpit but still over the wing contained a similar machine gun. Two 160 kg (352 lb) bombs could be released from external wing mountings and small bombs from within the fuselage. Two other variants also flew, both distinguished chiefly by their engines. The FC.20ter was a modification of the FC.20 with 745 kW (1,000 hp) Fiat A.80 R.C.41 radials. Unlike the FC.20, this aircraft had the dorsal turret of the FC.20bis and a nose-mounted, long-barrelled cannon. The sole FC.20quater was one of the few production FC.20bis aircraft, re-engined with 935 kW (1,250 hp) Daimler-Benz DB 601 V-12, liquid-cooled motors. It was fitted with a 37 mm (1.46 in) Mauser Ikaria cannon and a pair of 20 mm (0.79 in) cannon replaced the wing root machine guns of the FC.20bis. Tested in 1943, it flew higher and 80 kmh (50 mph) faster than the FC.20bis.


Operational history

A few production FC.20bis were built, and it is known that three served the 174a Squadriglia Ricognizione Strategica in July 1943 but were not used operationally.Thompson 1963, pp. 49–51. Italian military operations ceased with the armistice of September 1943.


Variants

;FC.20: First prototype, long nose reconnaissance version. ;FC.20bis: Short nose ground attack version. Dorsal turret. ;FC.20ter: As FC.20 with 745 kW (1,000 hp) Fiat A.80 R.C.41 twin row 18-cylinder radial engines. Dorsal turret. ;FC.20quater: As FC.20bis with 935 kW (1,250 hp) Daimler-Benz DB 601 inverted V-12 engines. Dorsal turret.


Units using this aircraft

*174a Squadriglia Ricognizione Strategica (174th Strategic Reconnaissance Squadron).


Specifications (FC.20bis)


See also


References


Sources

* Angelucci, Enzo. ''The Rand McNally Encyclopedia of Military Aircraft, 1914-1980.'' San Diego, California: The Military Press, 1983. . * Thompson, Jonathan. ''Italian Civil and Military Aircraft 1930–1945.'' Fallbrook, CaliforniaAero Publishers, Inc, 1963. {{Gabardini/CANSA aircraft 1940s Italian attack aircraft FC.20 Low-wing aircraft Aircraft first flown in 1941 Twin piston-engined tractor aircraft