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Aviation History
1940
1940 - 2036.PDF
45 JULY IS, THE CANT" SEAPLANES (CONTINUED) system oi solid ribs which, together with the plywood covering, contri- butes to stiffness in torsion and at the same time forms watertight compart- ments. Behind the rear spar the ribs are of normal construction, and the covering is of fabric. The whole of the trailing edge is hinged, the inner sections acting as flaps and the outer ones as ailerons. Differing from the fuselage construc- tion, in that all surfaces are fabric- covered, the tail unit embodies a single fin and rudder and a tailplane attached some distance up the fin, where it is clear of spray during take- off. As might be expected, the floats are of all-metal construction. They are of 4ong, single-step design, and are at- tached to the outboard engine mount- ings by a system of struts which are wire-braced in their lateral planes. In accordance with standard Italian prac- tice the total buoyancy of the floats is equal- to twice the loaded weight of the aircraft. Three Alfa-Romeo 126 RC 34 nine- cylinder radial air-cooled engines (Bristol Pegasus type) are fitted as standard. The cowlings over these Above is a squad- ron of "Cant" Z.506BS at an Italian coastal sta- tion. Some form of " sea camou- flage " may have been adopted since this photograph was taken. On the right are general arrangement drawings of the 2.506B. units are similar to those normally em- ployed in Bristol engines in this country, and embody the leading edge exhaust collector, though cooling gills are not fitted. Petrol is fed from tanks mounted in the inboard sections of the wing. The oil tanks are placed close to the engines they feed, the oil being cooled by radiators in the leading edge, a la Beaufort. The first crew station in the fuselage is the bomb aimer's compartment located beneath the fuselage just be- hind the centre engine. This is liber- ally supplied with transparent panels. Above and behind it is the pilots' cabin with tandem seats and a gang- way enabling the crew to move from the bomb aimer's position to the rear section of the fuselage. Next are the wireless operator's compartment, an upper machine gun, a power-driven gun turret, and a lower rear gunner's position. All machine guns are of the Breda SAFAT 12.7 mm. pattern, and are provided with 350 rounds of am- munition apiece. If required, a similar gun can be fixed on the forward part of the fuselage fairing for the use of the pilot. The bombs or torpedo (the latter can weigh between 1,760 and 1,875 lb) are carried in the bottom of the fuselage, the cells being covered with hydraulically operated doors. A camera installation can be incorpor- The location ef the rear armament of 12.7 mm. Breda SAFAT guns is shown in the above view of a Z.506B on the water. The lower gun can be retracted completely into the hull when not in use.
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