Caproni Ca.4
1917
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Caproni Ca.4

A number of these sizeable triplane bombers flew operationally over northern Italy during 1918. They were impressive not only in flight - with their three equal-span wings and their multiplicity of struts and wires - but also in the construction techniques employed. Power was supplied by three engines, early aircraft having 223.6kW Fiat A.12s or Isotta Fraschini V.5s, while later machines had 298kW American Liberties. One engine was mounted to drive a pusher propeller at the rear of the central crew nacelle; the other two were tractor-mounted in front of the middle wing leading edge in the noses of the twin booms (each with a midships gunner's cockpit) which extended to the rear to support the tailplane.

The prototype and the first three production Ca.4s had angular crew nacelles, but all later examples of the Ca.1000HP (its initial designation arising from the total horsepower provided by the prototype's engines) had carefully contoured rounded nacelles. A third gunner's cockpit was located at the front of the nacelle forward of the side-by-side cockpits for the pilot and co-pilot. Max bomb load was 1000kg. Total production of all versions of the Ca.4 was 42. Six of the 23 Liberty-powered Ca.4s built were sold to Britain and used briefly, though not operationally, by the Royal Naval Air Service.

One Ca.4 was converted to a seaplane by the substitution of huge twin floats for the land undercarriage. Post-war, the Ca.48 23-passenger conversion made a notable flight from Milan to London in 1919. Another civil conversion for 30 passengers was tested the following year under the designation Ca.58.

Caproni Ca.4


Specification 
 MODELCa.4
 CREW4
 ENGINE3 x Isotta-Fraschini, 190kW
 PERFORMANCE
    Max. speed126 km/h78 mph
    Ceiling3000 m9850 ft
 ARMAMENT4 x 6.5mm machine-guns, 1450kg of bombs

Comments
Barry, 01.09.2016

Span 98'1" Length 43'0" Height 20'8" Wing area 2,200 sq ft
Empty weight 14,791 lb Max take off weight 16,535 lb

Range 435 miles

wanshan, 18.06.2011

Six of the 23 Liberty-powered Ca.4s built were sold to Britain and used briefly, though not operationally, by the Royal Naval Air Service.

, 18.06.2011

Caproni Ca.4
1917

stephanie, 27.03.2009

hello,
I have Milestone of flight it has all kinds of air crafts I am ting to find out about them. like if they could be worth something? If I should call a air force musem could use them? Do you know the best way to go?
Stephanie

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