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Old 02-26-2016, 07:11 AM
  #174  
chistech
 
Join Date: Sep 2007
Location: south dartmouth, MA
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After quite a few interruptions ( life getting in the way ), more progress on the wing began to take place in succeeding installations: My use of 1/64th ply on all trailing edges allows me to obtain a sharp but straight trailing edge without being fragile. It's all worth the added effort.



Photo 5588 - 89: Underside of wings showing flap bay and flap bay leading edge.


" " " " 90: Wing trailing edge w/ 1/64th ply and pre-drilled 3/8th sq. hardwood edge "set".



91: Ply edge epoxied in place on the pre-beveled underside edge w/ edge set hammer-pinned in place.


92: Ailerons cut free from the wing & placed upside down for ply edging and pinning.


93: Aileron bottom sheet in place w/ pinning edge hammered down. ( Note the kerfs in the outer edge of the hardwood pin-strip to better follow the outboard curve of the aileron.)


94: Both flap pieces cut to shape. ( 1/64th ply outer side and 1/16th balsa for inner .)


95: 30 min. epoxy applied to inside face of 1/64th ply w/ serrated credit card to evenly distribute the epoxy. Balsa side was added & both flaps placed under plate glass with a decent
amount of weight added to keep it dead flat while the epoxy dried overnight. ( More pics & text to follow.)
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