Flying Machines

第2章

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第2章

Flying Machines W.J. Jackman

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Flying Machines
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  PuttingontheCloth.

  Wearenowreadytoputontheclothcoveringwhichholdstheairandmakesthemachinebuoyant.Thekindofmaterialemployedisofsmallaccountsolongasitislight,strong,andwind—proof,ornearlyso.Someaviatorsusewhatiscalledrubberizedsilk,otherspreferballooncloth.Ordinarymuslinofgoodquality,treatedwithacoatoflightvarnishafteritisinplace,willanswerallthepurposesoftheamateur.

  Cuttheclothintostripsalittleover4feetinlength.

  Asyouhave20feetinwidthtocover,andtheclothisoneyardwide,youwillneedsevenstripsforeachplane,soastoallowforlaps,etc.Thiswillgiveyoufourteenstrips.Gluetheendofeachstriparoundthefronthorizontalbeamsoftheplanes,anddraweachstripback,overtheribs,tackingtheedgestotheribsasyougoalong,withsmallcopperorbrasstacks.Indoingthiskeeptheclothsmoothandstretchedtight.Tacksshouldalsobeusedinadditiontotheglue,toholdtheclothtothehorizontalbeams.

  Next,givetheclothacoatofvarnishontheclear,orupperside,andwhenthisisdryyourgliderwillbereadyforuse.

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