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Aviation History
1912
1912 - 0951.PDF
THE DUNN "A.B. TYPE" MODEL BIPLANE. THE frame is constructed of birch, triangular in section ; bottom longitudinals, ft in. by J in- ; two top ones, ft in. by ft in. ; crossbars, ft in. by ft in. It is 2J in. wide at the front (in plan form) tapering to I in. at rear, and z\ in. tapering to I in. at rear (in elevation). Braced throughout with fishing cord. Planes double- surfaced and made as per Fig. B. ; gap, 6 in. Area, 3A sq. ft. Aspect ratio, 6. Four uprights to main planes of $ in. by $ in. birch, and to which in the middle the frame is connected by means of two U bolts, made from bicycle spokes. Ribs are spaced 3 in. apart and are glued and bound to the spars. Fabric, " nainsook." All braced together with fishing cord with wire hooks and eyelets. End skids of poplar and shown at Fig. D. Tail is constructed of ft in. (birch) by | in. wide, glued and bound at the joints. Rudder of i in. by j in. poplar, 4 in. by 3 in., fixed to post by aluminium hinges. Chassis, birch and poplar. The axle is rubber sprung, as shown at Fig. A. Diagonal strips of birch, jj in. by ft in., are used as bracing members. Section of skid is shown at Fig. C. Rear skid is shown at Fig. E, and is cut by fretsaw. It is rubber sprung. Propeller built up, and is made of Venetian blind laths, i in. thick, there are six layers glued all together. It is 14 in. diameter, and pitch about 20 in. It is fitted with bicycle spokes and nipples, and ball bearings. Motor, 18 strands of ft in. flat rubber strip. Distance between hooks, 33 in. Hooks covered with valve rubber to prevent wear. Lubricant, castor oil. Weight complete, about 12 oz. Weight of rubber, \\ oz. Longest flight, 120 ft. *•* 1 Vr TYPE BIPLANE.— - ft cab %P \\ti. ® ® High Flying by Naval Officers. SOME splendid high flying has been done by some of the officers at the Naval Aviation School recently. On Tuesday, Lieut. Seddon took the Short " 38 " up to 8,300 ft., during a trip to Sheerness, and Eng.-Lieut. Briggs on the same machine, and carrying a passenger later went over to Dover and back, and en route, was at a height of 7,050 ft. At the end of last week Lieut. Seddon took the machine up to 7,500 ft., and with a passenger to 6,100 ft., and on Tuesday week he took a passenger up to 5,287 ft. Flying Over the Forth. SOME splendid flying was seen from the Carlingnose aviation base on the Firth of Forth at the end of last week, and each day Commander Samson, Capt. Gordon, and Lieut. Hewlett were in the air. A number of experiments in bomb-throwing and in recon- noitering over torpedo boats and submarines have been carried out, while a large number of passengers, mostly naval officers, have been taken for trips. Lieut. Hewlett also carried out some tests in signalling to warships by means of a syren. The flying has attracted large crowds each day, who have witnessed the work from Port Laing, North Queensbury. Cross'Country on an Avro. A FINE cross-country trip on the Avro enclosed biplane which Lieut. Parke piloted in the recent Military Trials was made by Mr. F. P. Raynham on Friday of last week. Leaving Larkhill, he made his way through the fog to Newhaven, and then followed the coast to Shoreham, where he landed. He intended flying for the Michelin Cup No. 2 on Saturday, but deemed the weather too foggy, and only made one or two flights over the aerodrome. ® ® Mr. Hamel at Wrexham. ON the 9th instant Mr. Gustav Hamel and his BleViot mono plane were at Wrexham, and gave a display which was much appreciated by the people of East Denbighshire. Three flights were made from the Wrexham Racecourse, and during one Mr. Hamel piloted his machine round the town. Mr. Valentine in Ireland. ON Tuesday week Mr. Valentine was at Mullingar; and made a couple of exhibition flights on his Deperdussin from the Newbrook Racecourse. During the first, which was of about eight minutes' duration, he flew round the town, while in the second he was over Lough Owel, about three miles from Mullingar. The Proposed Flight to India. COL. S. F. CODY is anxious to try to make the proposed flight to India, and is making arrangements with Mr. Ernest Esdaile, who has the scheme in hand. Mr. Cody would probably use his Army Trials machine, but would build another one as a reserve. An Aerial League Dance. IN aid of the funds of the Aerial League, a dance has been arranged by the Richmond and District Branch, to be held at the Central Hall, Richmond, on Thursday next, October 24th. Mr. A. J. A. Wallace Barr, 5, Northcourt Mansions, Richmond Bridge, Twickenham, is the hon. secretary, and he will be pleased to supply tickets at is. each. Several of the Brooklands and other aviators are sure to be included in the assembly, and a very joyous evening should result. 951
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