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Aviation History
1915
1915 - 0472.PDF
1/yGHT they may familiarise themselves with the use of all the necessary instruments, the dash of the L. and P. brevet machine has been uncommonly well equipped with these A spar hinge on the L. and P. biplane. "Flight" Copyright. accessories, uncommonly, that is to say, for a school machine. Like all previous L. and P. biplanes, the latest brevet machine has a very strong family resemblance to the JULY 2, 1915. to form the lower tail booms. The upper tail booms run from the rear spar of the upper plane to the vertical king posts carrying the control cable leads. Two partly balanced rudders are mounted on top of the tail plane, and are stayed by steel tubes fitted with wooden fairings. The short nacelle which encloses the pilot and tanks is sufficiently wide and deep to afford plenty of elbow room, and the top covering which slopes up from the front to the instrument board deflects the air so that the pilot receives a minimum of draught. The pilot's seat, which is of the bucket type, is placed in the extreme rear of the nacelle, and in front of it is the central control lever which operates warp and elevator. A "Flight" Copyright The 35-40 h.p. Anzant engine on the L. and P. biplane-. "Flight" Copyright. Sttut socket and warp cable pulleys on the L. and P. biplane. Caudrons, being characterised by the same type of flexible wings and tail plane, and having a similar short nacelle. The main planes have the two spars placed comparatively close together and a very wide flexible trailing edge. In order to provide a better entering edge the front portion of the top of the planes is covered for a distance of some 9 ins. rearward from the front spar with a strip of three-ply wood resting on top of the ribs and preventing the fabric from sagging. Only the part of the wings between the spars is double surfaced, the fabric being stitched down a few inches behind the rear spar, whilst the trailing portion of the ribs is enclosed in pockets formed by fabric. The reason for this form of construction is, of course, that when the flexible ribs bend upward when the machine is in flight no folds are formed as would have been the case had the whole of the wing been double surfaced. The same principle is employed in the tail plane, which, as our readers are no doubt aware, serves a double purpose in not only acting as an elevator by being flexed up and down, but also warps laterally in conjunction with the main planes, the control cables passing over king posts in order to ensure this action. The undercarriage is formed by two pairs of wheels slung by means of rubber bands from the long skids, which are projected backwards pivoted foot bar is mounted on the floor of the nacelle, and from this cables run back to the rudder. So placed that all the instruments can be readily Sketch showing nacelle 0! the 472 " Flight,; biplane.
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