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Aviation History
1934
1934 - 0522.PDF
FLIGHT, MAY 24, 1934 of Clark " Y " section attached to stubs built integral with the fuselage. Spruce is mainly used for the wing construction, with fabric covering. The wings are braced to the top longerons by inverted " V " struts. A very neat wing folding arrangement, patented by Mr. W. B. Kinner, by which the wings may be folded in three minutes without the use of tools, is fitted. Frise type ailerons of high aspect ratio are used. Welded steel tubular construction is used for the rectan- gular fuselage structure, which is covered with fabric. A roomy cockpit with individually adjustable side-by-side seats, which are designed to accommodate, seat pack para- chutes, is situated over the centre line of the wing. Dual controls are fitted as standard. A baggage space of six cubic feet capacity is in the fuselage. A quickly detach- able hood may be fitted over the cockpit at slight extra cost. The empennage, like the fuselage, is made from welded steel tubes. An adjustable tailplane is fitted. The divided type undercarriage uses oleo legs, air wheels and independent wheel brakes, which may be operated simultaneously or independently by either foot or hand controls. The tail wheel is of the full swivelling type. Either a Kinner K.5 engine of 100 h.p. or a Kinner B.5 of 125 h.p. is fitted. In each case the engine is attached to a hinged mounting. Both the K.5 and the B.5 are five-cylinder radials, the B.5 being a slightly enlarged version of the K.5. The weight empty is 1,197 lb. (542.94 kg) and the weight loaded 1,775 lb. (805.1 kg). With the 100-h.p. K.5 engine the top speed is 100 m.p.h. The landing speed is 35 m.p.h. (55 kmjhr), service ceiling 14,000 ft. (4 267 m), and the absolute ceiling 20,000 ft. (6 096 m). This latter figure must be considered exceptionally good for an aircraft of this type, although the Everling " High Speed " figure at 13.74 is on the low side. FOR LUXURY TOURING The Couzinet IOI DEARING a remarkable external resemblance to the" Couzinet 70 Arc-en-Ciel, the type 101, one of the latest products of Avions Rene Couzinet, is the three-seater cabin monoplane fitted with three Pobjoy " R " engines. The cantilever wing is of wooden construction taperingboth in thickness and plan form. The leading edge takes the form of a solid spar, but the trailing edge is dividedby the fuselage. Statically-balanced ailerons of high-aspect ratio are fitted. Of typical Couzinet design, the empennage consists of alarge fin which is formed by a deepening and thinning of the fuselage, an adjustable tail plane, elevators of the sameconstruction as the wing and a rudder in which the smooth lines of the fin and rear portion of the fuselage arepreserved. Ailerons and elevators are provided with small adjustable Flettner flaps. A fixed split-type undercarriage is used with the wheels,which are fitted with independently-operated brakes, enclosed in large streamline fairings. The tail wheel,which is also enclosed in a " spat," is mounted in a pivoting fork. An interior view of the cabin of the Couzinet monoplane. Accommodation is provided in the cabin for a pilot and two passengers seated in tandem. The dimensions of the cabin are:—Length 6 ft. 7 in. (2 m), width 2 ft. 8 in. (0.853 in) and average height 3 ft. 5 in. (1,050 m). Large sliding windows of safety glass, and three skylights in the ceiling, provide ample light. Heating and ventilation is controlled by the passengers. Three Pobjoy " R " engines, on steel-tube mountings, drive four-bladed wooden airscrews. Fuel tanks with a total capacity of 66 gallons (300 litres) are carried in the wings. With three Pobjoy " Niagara " engines, using the new type cowlings developed for this type- of engine, the performance of the aircraft should be considerably imnroved. COUZINET Three Pobjoy " R 101 " Engines DIMENSIONS Wing span . . .. . . ... Overall length Track Overall height Wing area .. Weight empty Useful load Weight of fuel Gross weight Wing loading Power loading WEIGHTS FERFORMAN Maximum speedCruising speed Climb to 3,280 ft. 1 000 m)Climb to 6,562 ft. (2 000 m) Absolute ceiling, fully loadedService ceiling Service ceiling, with one engine stoppedRange at cruising speed . 44 ft. 4 in. 13,5 m). 32 ft. 10 in. 10,05 m) . 9 ft. 2 in. (2,83 m). 9 ft. 10 in. (.5 m) . 215 sq. ft. (20nfi) . 1,984 lb. (960 kg)673 lb. (305 kg) 474 lb. (215 kg) . 3,131 lb. (1 420 kg). 14-6 1b./sq. ft. (71 kgjntf) . 13 lb./h.p. (5,9 hglh.p.) CE . 155 m.p.h. (250 k.p.h.). 137 m.p.h. (220 k.p.h.) 3 min. 4 sec.6 min. 48 sec. . 20,670 ft. (6 300 m). 19,029 ft. (5 800 m) 11,811 ft. (3 608 m). 550 miles (885 km) A FRENCH TOURING PLANE : The Couzinet cabin monoplane powered with three Pobjoy " R " engines. 522
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