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Aviation History
1918
1918 - 1114.PDF
OCTOBER 3. 1918. longerons that welding has been employed, but also to a greatextent for securing members which do not, strictly speaking, belong to the main body framework. For instance, the.three stream line steel tube struts which connect the front spar of the top plane with the body are welded at their lowerends to various portions of the body frame. The front one of these struts is welded to the tubular engine bearer, whilethe other two are welded to the upper and lower longerons respectively. Thus when the wings are dismantled thesestruts remain in place on the body, a fact which would, one imagines, render them liable to damage during transportationIn order to give an idea, of the amount of skilful welding necessary in the Fokker body we show, in Fig. 2, a com-plexity of welds, all occurring at one joint. There are nc less than seven members joined here by welding, not countingthe .socket for the front chassis strut, which might, as a mattei of fact, have been included as it is attached to the longeron:by welding. In conformity with the rest of the design of the body o:the Fokker biplane, the engine bearers and the frameworl ••—Some constructional details of the rear part of the body and of the elevator and rudder of the Fokker biplane. At A is shown the attachment of the vertical fin to the cross tube of the tail plane. At B and C are shown details of the hinges employed for rudder and elevator, and also for the ailerons. The sketch at D shows the split collar by means of which the diagonal tubes that reinforce the body at the point where occur the lifting handles are secured to the lower longeron. At E is shown the springing of the tail skid, and the cable limiting its travel, while at F is illustrated the tail skid attachment to the vertical body strut. The tubular quadrant and wiring of the body is shown at G. III5 ."
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