File:How an aeroplane is built (1918) (14796153763).jpg

Identifier: Howaeroplanebui00Blak (find matches)
Title: How an aeroplane is built
Year: 1918 (1910s)
Authors: Blakeney, Stepney
Subjects: Airplanes
Publisher: London, "Aeroplane" & general publishing co., ltd
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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or drilling, and drilled. Afterwhich the fittings can be consideredfinished and can be sent to the inspectiondepartment. When finished with here, itwill be sent to the wood-components de-partment to be fitted to the struts. PACKING PIECES.The aluminium packing pieces which fitinto the strut sockets are generally madeoff metal patterns, and the castings usuallyobtained are nearly perfect. Thus theyrequire very little cleaning up. The onlymachining to be done consists in drillingthe bolt-hole and milling out the radius slotwhere the eye-bolt fits into the packingpiece. This work is usually done in a smallmilling machine with a milling cutter of therequired diameter. In assembling the strut ferrules andpacking pieces onto the strut ends, caremust be taken to see, and make sure, thatthe aluminium packing piece beds ontothe spruce strut. Unless it does so, it ispossible that the strut may not do its work,and might be the cause of a failure of thewhole machine. 158 HOW AN AEROPLANE IS BUILT
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HOW AN AEROPLANE IS BUILT SMALL CLIPS. It frequently happens in a large contractthat amongst the many items called for aresmall clips. These clips may be pipe clipsor wire clips. Sometimes the clip is semi-circular, sometimes square, in fact, theyare all shapes and sizes, but each clip ofany certain type or size must naturally bestrictly to dimensions and limits. Thegauge of the metal used in their manufac-ture is often very thin. When this is thecase it frequently happens that it is pos-sible for this work to be done by girls. To enable girls to manufacture theseclips, and save the expense of makingcostly press tools which take a consider-able time to make and also to save usingpresses on work they need not be em-ployed on, it is best to make a few simplejigs which can be used in the bench vice,and the power obtained from the use ofan ordinary hammer, or the squeezingaction of the vice. CLIP JIGS. Assuming that we require a thousandclips to clip f-in. copper petrol pipes, thebest thi

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