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Aviation History
1928
1928 - 0663.PDF
JULY 19, 1928 -QF31B) well as service aircraft, were represented at the show by avery neat and business-looking single-seater fighter fitted with a Walter-built " Jupiter." The B.H. 33 is a slightlystaggered biplane, the most unusual feature of its wing arrangement being that the top plane is of slightly shorterspan than the bottom. The object of this arrangement obviously is to reduce the stresses in the top spars, the inter- [" FLIGHT " Sketch The tail-trimming gear on the Fokker C.V. The pilot rotates the worm shaft, which operates the crank arm that engages with the Jeading edge of the tail plane. plane struts being sloped inward so as to reduce the free length of spar, while at the same time slightly improving the angle of the lift wires and consequently reducing the end load in the spars. Constructionally the B.H. 33 is a simple wooden structure,in which extensive use is made of three-ply, this material forming the covering not only of the fuselage but also of alarge proportion of the wings. The fuselage is fiat-sided and of very simple construction, so that repairs in the field ar&easily and rapidly effected. The Walter " Jupiter " engine is neatly cowled in, and withthe spinner over the propeller boss gives a clean entry for the air. The engine fitted is a series VI, but if the machineis desired to be used for training in aerobatics an engine of lower power can easily be substituted. The main dimensions of the B.H. 33 are : Length o.a.704 m. (23 ft. 1 in.) ; wing span 8-9 m. (29 ft. 2 in.) : wing area 22 m..2 (237 sq. tt). The weight of the machine empty FLIGHT " Sketches A COUPLE OF PARIS SHOW ITEMS : 1. The unusual tail skid on the Bernard Single-seater Fighter. 2. Attachment of wooden spar to fuselage on Albatros "ASS " is 830 kg. (1,825 lb.) ; fuel 230 kg. (506 lb.) ; useful load, 190 kg. (418 lb.) ; total loaded weight, 1,250 kg. (2,740 lb.). Maximum speed at ground level, 275 km./h. (171 m.p.h.) • speed at 5,000 m. (16,400 ft.), 260 km./h. (161 m.p.h.)! Landing speed, 80 km. 'h. (50 m.p.h.). Ceiling, 9,500-10,000 m (31,100-32,800 ft.). Climb to 5,000 m. (16,400 ft.) in 7 mins. 50 sees. ; climb to 8,000 m. (26,300 ft.) in 25 mins. Kansje, 600 km. (372 miles). o o o o o o o o o o o o o o o o o o a o> o © o o o o o o o o o o, Interior arrange- ment of the Fok- ker C.VIII : The lower view shows position of crew while working, and the upper, the fighting posi- tions of the two gunners. 613
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