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Aviation History
1934
1934 - 0445.PDF
FLIGHT, MAY 3, 1934 THE MAILLET NENING : The engine is a 6-cyl. Regnier. inverted engine giving about 200 h.p., quite a remarkable performance. The Maillet-Nening monoplane is of special interest at the present time, for, as Mr. Percival intends to install a " Gipsy Six " engine in the " Gull," an interesting com- parison may be made between the " Gull " with that engine and this new French machine, which has an engine of approximately the same power as the "Gipsy Six." Both machines are three-seater low-wing cabin monoplanes with fixed undercarriage. The engine fitted is a Regnier six-cylinder inverted air- cooled type, which is virtually a de Havilland " Gipsy III " with two cylinders added. Normal power at 2,150 r.p.m. is 190 h.p. and the maximum power at 2,450 r.p.m. is 220 h.p. Although it is not yet possible to quote performance figures of the " Gipsy Six " engined " Gull," it is expected that the cruising speed will be fully 160 m.p.h., which is 5 m.p.h. higher than that of the Maillet-Nening. Probably the top speeds will be approximately the same. At present a conventional type of split undercarriage is fitted to the Maillet-Nening. If a retractable or a canti- lever " trousered " version were to be fitted, we do not doubt that the speed would be considerably higher. We recall that when the well-faired but fixed split type under- carriages of certain low-wing " Lockheed " types were abandoned for retractable versions, quite an amazing in- crease in performance was obtained. The wing area of the French machine is larger than that of the " Gull," but even so the landing speed seems extra- ordinarily low for a machine of this type. We understand that shortly the machine will be flown to Saigon by M. Maillet and M. Ringel, a pilot of Air- France. A CAPRONI SINGLE-SEATER FIGHTER Bristol "Mercury" Engine f^BVTOUSLY developed from the Caproni 113 two-seater ^-' advanced training biplane, the Caproni 114 is in- tended for advanced aerobatic training or for use as a high altitude single-seater fighter. Considering the fact that the machine is fitted with a geared and supercharged Bristol " Mercury " engine, the speed of the aircraft must be considered on the low side. It possesses, however, a reasonably good rate of climb, coupled with good manoeu- vrability at high altitudes. The machine is a biplane with wings of equal span and chord, rounded at the tips. These are braced by N struts and streamline wires. Welded • steel tubular construction is used for the fuselage, the for- ward portion of which is covered with duralumin sheet and the rear portion with fabric. The elevators and rudder are aerodynamically balanced, and the tail plane is adjust- able in flight. A " Mercury IV " S.2 engine, using a special carburetter for inverted flying and cowled by a Townend ring, is fitted. The wing loading is 13.22 lb./sq. ft. (64,6 kg/m2) and the power loading 8.7 Ib./h.p. (3 95 ke/h p ) At sea level the maximum speed is 180 m.'ph. (290 km/hr) and at 16,400 ft. (5 000 m) 157.5 m.p.h. (225 km/hr). The climb to 19,700 ft. (6 000 m) occupies 8 min. 30 sec. FRENCH REPLY TO THE" DRAGON" Imitation the sincerest Form of Flattery A T the Farman Works at Billancourt (Seine) a machine,** whose appearance is being eagerly awaited in France, is nearing completion. It is the Farman Company's reply tothe "Dragon"—a product of the epidemic of the "Dragon- mania " which has existed on the Continent since the pro-duction of the de Havilland " Dragon " with its large pay- load per h.p.—and bears the type number F.430. Testflight should begin within a month. The machine is of wooden construction and is a low-wing cabin monoplanefitted with two de Havilland " Gipsy Major " engines. It is expected that the price will be about £3,560. A secondmachine of similar type is to be fitted with a retractable undercarriage and two D.H. " Gipsy Six " engines. Span LengthHeight Wing AreaDisposable load Gross flying weight Wing loading ..Power loading Maximum speed Cruising speed FARMAN F. 430 2 "Gipsy Majors " 50 ft. 9 in. (IS,5 m) .. 38 ft. 8 in. (11,S m)9 ft. 2 in. (2,8 m) . . 377 sq. ft. (35 m'').. . 1,102 lb. (600 kg) . . 4,520 lb. (2 0A0 kg) .. 12 1b./sq. ft. (5«,5 *g/f»1J) .. 16-75 lb./h.p. (7-6 kglh.p.) .. 127-3 m.p.h. (205 km/hr.) .. 99-4 m.p.h. (160 kmjhr.) 445 •- ' -/
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