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Aviation History
1934
1934 - 0279.PDF
1YIAKUH THE FIAT C.R.30 The machine illustrated is the two-seater version which won the Bibesco Cup last year. Exceptfor the cockpit arrangements the single-seater is similar. SOME RECENT ITALIAN FIGHTERS EVERAL very interesting Italian fighting aircrafthave been developed during the past yeai for the re-equipment of the Italian Regia Aeronautica. TheFiat firm in particular has been very busy, and the Fiat C.R.30 single-seater fighter (or '*' Aeroplano daCaccia "1 has been ordered in large quantities. The type has been further developed into the types C.R.32 andC.R.40. Both are similar in general design to the proto- type, but the C.R.32 has an adjustable-pitch airscrew andother refinements, and the C.R.40 has an air-cooled engine in place of the 600-h.p. Fiat water-cooled engine in theC.R.30. Details of these two types, unfortunately, are not available. The C.R.30 was converted into a two-seater,and in this form won the Bibesco Military Trophy with a speed of 189.9 m.p.h. over a distance of 715 miles. The Fiat C.R.30 machine is an all-metal single-seaterfighter biplane with several interesting features. Perhaps the most notable, to English eyes, is the Warren trussinterplane bracing. The top plane is in two sections and is larger than the lower plane in both span and chord.Drawn duralumin tubes of rectangular section are used for the wing spars, the walls of which are lightened withtriangular holes. The lattice ribs are of square-section duralumin tubes ;duralumin is also used for the aileron framework, which consists of two spars with lattice ribs of square tube. The fuselage is a rectangular structure with fourlongerons of round duralumin tubes connected by a system of triangles, also of duralumin tubes. The fuselage and General Specifications of Fiat C.l Wing span Length HeightUpper wing chord Lower wing chordWing area Weight, empty Disposable loadWing loading Power loading (constant up to 8,528 ft.) Engine performance : 600 h.p. at 2,600 revolutions, constant up to 8,528 ft.Safety factor R.30 Fighter 34 ft. 5 in. 22 ft. 9 ft.5 ft. 9 in. 4 ft. 10 in.290 sq. ft. 2,792 lb. 1,269 1b.16J lb. 6 lb. 2£ oz. 14 FLIGHT CHARACTERISTICS Speed at sea level 9,840 ft16,400 ft Minimum speed at 1,640 ft. Climb with disposable load of 1,269 Ib. Climb to 3,280 ft7,650 ft 9,840 ft 13,120 ft16,400 ft 1.9,680 ftTake-off run Landing Flying range Theoretical ceilingService ceiling . . 202 m.p.h. 223-7 ,,217-5 ,, 65-2 1 min. 15 sec.2 ,, 40 „ 4 „ 30 „ 6 „ 40 „9 „ 10 „ 12 „ 30 „656 ft. 820 ft. 2 hr. 30 min. 31,160 ft.29,520 ft. C.R.30 279
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