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Aviation History
1913
1913 - 1376.PDF
• [/yeST Nacelle and chassis of the Bathiat-Sanchez biplane. Underneath the rear portion of the fuselage are mounted the tail planes, which are somewhat reminiscent of the Bleriot, and consist of a fixed cambered plane, to the trailing edge of which is hinged the elevator. The rudder is pivoted around the stern post of the fuselage.. Some distance in front of the tail planes is a small skid, which protects the tail planes against contact with the ground. DECEMBER 27, 1913. arranged the pilot's and passengers' seats. Accom modation has been provided ior pilot and two pas sengers, the pilot occupying the front single seat, while the passengers' seats are situated side by side just behind the pilot. The controls are of the usual type, consisting of a single lever working the ailerons and elevator, while a pivoted foot-bar actuates the rudder. Just behind the passengers' seats is fitted a starting handle, by means of which the engine may be started without any necessity of swinging the pro peller. The main planes, of which the upper one has a slightly larger span than the lower one, are connected by steel tube struts of streamline section ; the main spars are also steel tubes, over which are built the ribs, which are constructed of ash. Carried on the rear extremities of an outrigger of somewhat compli cated construction are the tail planes, which consist cf a single rectangular balanced elevator and two. divided rudders, whilst no fixed tail plane is fitted. The tail booms, which are steel tubes, appear to be unnecessarily complicated, and the cross-wiring em ployed to provide the necessary rigidity would appear to offer quite a lot of head resistance. The chassis, which is of somewhat unusual type, consists of two main wheels mounted on stub axles and sprung by rubber shock absorbers, while under the nose of the nacelle and supported on another structure of steel tubes, are two smaller wheels. A very stout wooden skid connects the axles of the two pairs of wheels, and terminates at the back in a down-swept heel which takes the place of the ordinary tail-skid. The accompanying illustrations will, we think, explain all the details of the chassis. One point to which we wish to call attention, is the fitting of band brakes to the two main wheels. These brakes are operated by means of a lever on the right hand side of the pilot's seat. For starting the machine the pilot applies the brakes by pulling the lever backwards, and when. 1 Flight" Copyright. "Flight" Copyright, DETAIL OF THE SPRINGING OF THE BATHIAT-SANCHEZ MONOPLANE.—On the right the rear portion of the biplane chassis The biplane exhibited by this firm is on more original lines, and belongs, as will be seen from the accompanying illustrations, to the " pusher " type. It is driven by a 70 h.p. Renault engine, mounted on two transverse steel tubes resting in lugs on the upper longerons of the nacelle. As usual, the propeller is mounted on the cam-shaft, and is thus running at half engine speed. The tanks are mounted inside the nacelle in front of the engine, while well out in front are his engine is running satisfactorily he releases the lever, and the • machine starts. The workmanship in both machines is very good, but the biplane, built as it is of steel practically throughout, gives the impression of being rather heavy, although it is said to have attained, witha7oh.p. Renault engine, a speed of 102 kilometres per hour, and to have climbed to an altitude of 1,000 metres in 14 minutes. BOREL. Three machines are exhibited on the Borel stand—one military tandem two-seater, a hydro., and the " Ruby." The land machine, which is fitted with a too h.p. L.U.C.T. engine of Italian manu facture, is of the standard Borel type. The fuselage is built up of longerons of ash, while the struts and cross-members are ash in front and spruce in the rear portion. The seats are arranged tandem fashion, the pilot occupying the rear seat. The controls are the usual Borel, and may be said to be simply the Bleriot controls without the "cloche.'7 The chassis consists of ash strutsxarrying two short skids, also of ash, from which are sprung the wheels by means of rubber bands wound round the axle and the skid. The hydro-monoplane is also a tandem two-seater and is similar to those now in use in the Navy. It is driven by an 80 h.p. Gnome engine mounted in lront of the fuselage on double bearings, of which the front one can be detached by undoing two bolts, thereby facilitating the operation of removing the engine. The fuselage is exactly similar in construction to that of the land machine. The chassis consists of a structure of streamlined steel tubes, which carry at their lower ends the two main floats. These are pivoted round a transverse tube mounted on the front chassis struts, and are sprung at the rear by means of rubber shock absorbers. Owing to the width of the chassis the angle of the lift Wires is extremely good, the inner one being almost vertical. The pilot's and passenger's seats are 'arranged -tandem fashion, 1402
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