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Aviation History
1910
1910 - 1053.PDF
DECEMBER 24, 1910. \f\MH AEROPLANE SILHOUETTES FROM THE PARIS SHOW.I THE SOMMER MONOPLANE. CONSTRUCTED at Mouzon, in the Ardennes, by Roger Sommer, whose biplane is already well known. Double-surfaced planes. Framework of wood. Has passed its trials satisfactorily. General dimensions.—Length overall, 9 metres ; width, 10-50 metres ; bearing surface, 17 square metres. Seating capacity.—One. Engine.—5°'hp- 7-cyl. air-cooled rotary Gnome. Propeller.—Rapid, of two blades. Chassis.—Similar to that employed on the Sommer biplane. Two wheels, connected by a steel axle and fastened by rubber springs to a simple wooden chassis, the lower members of which form two skids curving forwards and upwards. Under the tail is a curved wooden skid. Tail.—Weight-lifting tail plane, the angle of which may be altered during flight by means of a series of rods and cianks leading to a small hand-wheel placed on the right side of the pilot. The elevator, which is hirged to the trailing edge of the tail plane, is divided into two sections, to admit of the single centrally-placed rudder working freely. Lateral stability.—Maintained by the flexing of the trailing edges of the main planes. Weight.—Complete wirti motor, 265 kilogs. Speed.—90 kiloms. an hour. System of control.—The sideway movement to the right or left of a single vertical lever controls the flexing of the wings, whilst the backward and forward movement of the same lever elevates and depresses the machine. Steering is controlled by a foot-lever. All control wire* are duplicated. Price.—Complete with 50-h.p. Gnome, 20,000 trs. THE DEPERDUSSIN MONOPLANE. Six BLADED sci\ew A FRENCH-BUILT monoplane. Framework of wood. M. Busson, formerly a B16riot pilot of some distinction, has made many successful flights on this machine at Issy-les-Moulineaux, and he has announced his intention of using it in an attempt to fly from l'aris to Brussels and back for the A.C.F. Grand Prix d'Aviation. General dimensions.—Length overall, 9 metres ; width, 9 metres ; mean width of wings, I 80 metres; bearing surface, 15 square metres. Seating capacity. —One. Engine.—50-h.p. water-cooled vertical 4-cyl. Clerget, or a 70-h.p. water-cooled vertical 4-cyl. Austrian-Daimler.' Any motor fitted if desired. Propeller.—Six-bladed Deperdussin propeller (Licence Rapid), driven at a speed of 1,400 revs, per minute. An ordinary two- bladed Deperdussin propeller is fitted on Busson's machine at Issy- les-Moulineaux. Wheels and skids,—Two wheels and two skids, the latter members being somewhat similar to those employed on the Antoinette mono plane. Tail.—Non-lifting tail plane (horizontal empennage). Single vertical fin placed centrally. Elevator divided in centre, is hinged to trailing edge of tail plane. The single rudder is placed centrally behind elevator. Lateral stability.— Maintained by flexing the trailing edges of the wings. Weight.—Complete with engine, about 280 kilogs. Speed.—About 90 kiloms. an hour. System of control.—The rotation to the right or left of a single wheel, mounted on a column in front of the pilot, flexes the wings for the maintenance of lateral stability. A backward movement of the entire column elevates the machine and vice versa. A foot lever controls the vertical rudder. Price.—Not stated. 105 I
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