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Aviation History
1911
1911 - 0331.PDF
APRIL 15, 1911. [/yew] 1st Prize, Workmanship. G. P. BRAGG SMITH (NO. 50) A ij in. scale model of a full-sized machine in course of construction. The principal feature of this machine Consists in the lower planes being so curved that the extremities join those of the upper hori zontal plane, the theory being that as the machine tilts laterally a greater projected surface is presented on the side that needs it most, i.e., the lower. Other features are as follows :—Main planes can be bodily removed from the fuse lage, and the under-carriage is also easily dismantled. The pilot's seat is situated high up behind the engine between the main planes. The propeller is at the rear, and there is a fixed monoplane right in front ; this latter, which has a dihedral angle, can be adjusted. Just behind the leading plane is the •elevator, which is in line with the middle of the gap. The fuselage is purposely kept narrow so that the head resistance is concentrated as near the centre as possible. Situated at the front of the fuselage is a very neat skid carrying a running wheel, which would prevent any •damage occurring should the machine come down head first, 2ad Prizz, "Workmanship. G. T. R. HILL (No. 31). A model biplane of some what original design and very •careful workmanship, the •covering of the planes being especially well done. The top plane carries an extension at each extremity, and the angle of incidence of these extensions can be varied. Both main planes are neatly built up, and are double-surfaced with silk fabric. They measure 30 ins. top, 18 ins. bottom, and 5 ins. fore and aft. At the forward •end of the triangular fuselage is a biplane elevator, the top plane being 15 ins. by 4 ins., and the bottom plane 8 ins. by 4. ins. Both planes are double- surfaced, and they are con trolled from the pilot's seat between the main planes. Close behind the latter is a biplane tail Si ins. long and tapering from a point to 4 ins. in width. Between the two tail planes are two rudders, each 3f ins. by 2 ins. The model is driven by two propellers situated behind the main planes, and each geared to three lengths of elastic of four strands each. A neat under carriage of the Bleriot type is fitted, but with skid additions. This model weighs 12 ozs. and has a total area of 328 sq. ins. It has flown 310 ft. a. P. SRAiC- SMITH AUTOMATIC BIPLANE SCALES INCntS ' hlOEl. FEET; FULL-SIZE MAOIIME .sjCi Ui i "-' " • *•" 1 i \ 1 1 J~) h \ . i r Jul j Scale drawings of the G. P. Bragg Smith biplane. Scale drawings of the Hill model biplanj. 333 "Flight" Copyright.
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