High Quality Plan Sets and Laser Cut Partial Kits for Radio Control
Aircraft
Page 13
Henry Struck's 1937 Benny Boxcar in 108 inch span
Once the balsa shear web is glued in
remove the front center ply brace to be glued on later. Use Tite
Bond to glue the balsa ply brace so there is time to get it aligned
accurately. After the glue is dried check that the
sides of the shear web are even with the spars. Sand if neccesary
to insure that the ply dihedral braces will contact the spars tightly.
A view of the wing against the
construction triangles. The trailing edge is clamped in place.
Attaching the front dihedral ply
brace. Do one side at a time to avoid errors due to haste, and use
30 minute epoxy. Clamp liberally.
Installing the second ply dihedral
brace.
Grind down the ply shear webs even
with the outer spar faces.