DR-107 One Design R/C plan build, Update  

This is a series on building the DR-107 One Design (IMAC) r/c aircraft from the Matt Mrdeza plan. This plan was downloaded from outerzone.co.uk.
In this update, cradles are made to support the wing as the bottom sheeting is applied. A little washout is added with the cradles. Before sheeting, the internal structure is finished to include adding the wing spar joiner. This joiner is made from a composite of lite ply and carbon fiber and is very strong. Afterwards, the wing hold down dowels are located and glued into the wing. Then, the aileron and flap servo mounts are constructed. Finally, the bottom of the wing is ready to be sheeted.
00:00 Intro
00:13 construction of wing cradles
03:31 adding washout
04:30 making individual bottom wing spars with balsa and carbon fiber
04:41 gluing in bottom wing spars
05:06 shaping wing bottom
05:36 spar joiner preparation
06:01 making spar joiner from lite ply and carbon fiber
06:55 adding shear webs
09:22 comparison of laminated spar joiner to birch ply
11:03 adding spar joinger to wing
12:37 adding wing hold down dowels
14:00 adding aileron servo mounts
17:14 adding flap servo mount
18:25 adding bottom wing sheeting

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