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Compound curves

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andrew wallace:
good man stephen the photo really helps  :D
i would tend to do those bits first and use a separate piece of covering  and it's very hard to get perfect
i'm sitting here trying to put into words the way i'd do it  
i'd cut the piece of covering over size and tack the covering to the edge of the wing and then with the heat iron on the covering pull down over the tip now if you start to get a wrinkle take the covering  back off the wing and pull it back again with the heat on the film and what ever small wrinkles thats left take out with the heat iron and then trim the excess film off  
does that make since lol i could probably show you better than i can explain it  :D

johnfireball:
Hi Stephen,
              You need a thick glove so you don't burn your fingers and perhaps someone to hold the wing down for you. I coat the tip edge with balsaloc  first to get a good bond and then starting at the leading edge stretch the covering backwards and down holding tension after removing heat to give it time to cool and stick. The amount of tension you can apply depends on the strength of the wingtip (you dont want to break it). I found oracover the best covering material for this job and it will stretch loads although it pales in colour.
John.

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