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Aviation History
1915
1915 - 0954.PDF
(/jTiGHTJ speaking, from a windmill shaped like a two-bladed pro peller. The antenna of the wireless set takes the form of a stranded copper cable passing from the observer's cockpit through a short copper tube with a bell mouth. "Flight" Copyright. In one of the captured Albatros biplanes the petrol service tank is mounted on top of the upper plane. As will be seen from the sketch, it is fitted with the usual gauge for indicating the amount of petrol in the tank. At its lower end this antenna is weighted with a piece of lead so as to prevent it from being blown straight back by the force of the wind. When nearing the ground the observer winds the copper cable up to prevent it catching in obstacles when making a landing. On the dash in front of the pilot are mounted a number of instruments, including the Bosch starter, double switch for switching on the ordinary magnetoes once the engine has started on the hand-operated magneto, throttle and spark levers, petrol gauge, revolution indicator, mano meter, tell-tale glass and pressure pump, clock, altimeter, and last, but by no means least, a Clift air speed indicator. The compass has been mounted in a somewhat unusual fashion on the Albatros biplane, as shown in the sketch. It is placed in the inner portion of the top plane, where it can be seen by both pilot and observer. The compass, instead of being mounted in front of the pilot as is usually the case, is built into the top plane in a position where it can be seen by both pilot and observer. The accompanying sketch will explain the placing. The NOVEMIBR 26, 1915. controls are the usual ones, and consist of a wheel for the elevator and ailerons and a pivoted foot bar for the rudder. One of the reasons why some pilots prefer the single lever control, or "stick" as it is termed in aviation parlance, is that the wheel tends to interfere with the reading of the map. This difficulty has been overcome in the Albatros by placing the map-holder on the wheel itself in the manner shown in one of our sketches. Behind the pilot's seat is a large fabric bag evidently intended for despatches. In order to improve the view in a downward direction obtainable from the pilot's seat the trailing edge of the lower wing has been cut away near the body. Petrol is carried in amain tank placed under the observers seat, and the fuel is forced by a pressure pump to the little streamline service tank mounted on top of the upper wing, whence petrol is gravity-fed to the car burettors. Filling the main tank is accomplished through a little circular door in the right-hand side of the body. "Flight" Copyright. Inspection door for the aileron cable pulley on the Albatros biplane. On each side of the body is mounted a radiator of a type that is very popular in Germany. It is, we believe, known over there as the Hazet radiator, and its chief claim to notice is that it is built up in sections, and that therefore by adding or taking away one or more sections any size engine or any climatic conditions can be suited. The two tubes, placed top and bottom respectively, which connect the various sections of the radiator are parallel with the sides of the body, and each section of the radiator is therefore set at an angle of the tubes so as to bring them into the line of flight. An examination of the accompanying illustrations will show the general arrangement. In section and general construction, the wings of the reconnaissance type biplane are similar to those of the large machine seen at Hendon last year. The span, however, is a good deal shorter, and there are only two pairs of inter-plane struts on each side instead of the three with which the older machine was fitted. We have before now referred in our columns to the practice of the Albatros firm of having three sets of wings for each fuselage, one large pair with three pairs of inter-plane struts on each side, for weight-carrying and duration flights, one pair a little shorter with two pairs of struts a side, and a small pair with only one pair of struts on each side, for using the machine as a fast single-seater scout. 918
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