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Aviation History
1910
1910 - 0235.PDF
MARCH 26, 1910. I/HS HUMBER BIPLANE. SCALE «• FEET Leading Particulars of the Humber Biplane. General Dimensions.—Areas—Main planes, 482 sq. ft. ; elevator, 16 sq. ft. ; rudder, 12 sq. ft. Lengths.—Span, 40 ft. ; chord, 6 ft. 8 in. ; camber, 3J in. ; gap, S ft. ; skid track, 6 ft. ; overall length, 33 ft. Angle.—Incidence, 6|°. Materials.—Steel struts and spars, hickory chassis ; Mackin tosh fabric. Engine.—50-h.p. Humber. Propeller.—Humber ; diameter, 6 ft. 11 in. ; pitch, 3 ft. 6 in. ; material, laminated mahogany, spruce and walnut. Weight. — Unknown at present. Speed of Flight.—50 m.p.h. System of control.—Rudder, elevator, warping of wings. Price.—£1,000. THIS machine is specially constructed solely for tuition purposes. It has three seats, the pilot's seat in the middle and a pupil's seat on either side. The control is in triplicate, but a pedal solely under the pilot's command enables the effect of the pupils' movements to be suspended. All main spars and struts are of tubular steel with the exception of the outrigger spars that carry the tail. The main spars of the main frame are jointed so that the machine can be dismantled in three sections. The control is the same as on the Humber monoplane designed by Capt. Lovelace. MULLINER MONOPLANE. ELEVATOR. • SCALE °'FEET Leading Particulars of the Mulliner Monoplane. Genera^ Dimensions.—Areas—Main planes, 210 sq. ft. ; fixed tail, 13 sq. ft. ; elevator, 14 sq. ft. ; rudder, 4 sq. ft. Lengths.—Span, ^3 ft- 5 chord, 6 ft. 6 in. ; camber, 3 in. ; skid track, 4 ft. 2 in. ; overall length, 27 ft. Angles.—Incidence, Io° ; dihedral, nil. Materials.—Timber: ash throughout, few parts poplar; Duniop fabric, single surface. Engine.—35-h.p. J.A.P., 8 cylinders. Propeller.—Spencer ; diameter, 6 ft. 3 in. ; pitch, 4 ft. 6 in. material, white wood. Weight.—Machine, 190 lbs. (approx.); engine, 215 lbs.; driver, oil, petrol, water, 200 lbs. ; total flying weight, 605 lbs. (approx.); loading (all weight supported on main planes), 28 lbs. per sq. ft. Speed of Flight.—40 m.p.h. System of Control.—Warping of wings, elevator and rudder. Price.—£500. NEW British-built monoplane of very light construction, designed by Gordon Stewart, and built at the Northamp ton factory of Messrs. Mulliner, the well-known coach- builders. The design is mainly remarkable for the skeleton-like frame that has been adopted, and the high finish of the workmanship. There are some parts, how ever, that we shall expect to see strengthened within a short while of this machine commencing its practical trials. The main planes have a comparatively flat camber, and there is even a tendency to reverse the curvature at the trailing edge. The wings are built up upon two main spars, the rear pair of which are hinged together to facilitate warping, which operation is performed by an inclined steering-wheel. The engine is carried right forward in front of the leading edge, and the pilot's seat is situated about two feet behind the trailing edge of the main planes. The machine is supported upon a pair of wheels mounted in a hinged rhomboid or diamond-shaped frame, across the centre of which is stretched an elastic spring that serves for the suspension. The main wings are braced to the " A" extension of the chassis frame, which is constructed of tubular steel. 233
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