The wing is mounted before the stab, so that the wing can
be used as the tilt reference for the stab.
1) Pot the threads in the balsa pylon with a well-waxed
smooth steel bolt.
2) Trim and sand the pylon to expose the bolt-thread epoxy
so these grab onto the carbon skin. Glue the pylon to the boom with thick CA.
3) Cover stab with poly and apply the platform carbon
patch, wet out with resin. Screw the stab onto the pylon with the carbon in
between (wax the steel bolt!). Apply small cabosil/epoxy fillets at the 90
degree corners. At this point you can wait until the epoxy gets sufficiently
firm to immobilize everything. Or bravely proceed with the same epoxy batch...
4) Drape the outside carbon layer from the platform, around
the boom, back to the platform. Put poly over the carbon and apply light
pressure with blocks of soft foam. For
alignment at steps 3 and 4, the glider is upside down with the wingtips on the
table, and the stab is lying on some books at a suitable distance off the
table. Incidence is set at this point also by adjusting the book height.
5) After the platform is trimmed, the carbon rod pegs are potted into
it. They should be just long enough to almost touch the top skin.
6) The pegs are well waxed and potted into slightly
oversize holes in the stab. Remove sufficient foam (or balsa insert) around
the pegs so the potting epoxy grabs onto the top and bottom skins.
The Stabiliser mounts are formed onto a Blue foam shape,
with a sacrificial blue foam boom tube. The mounts have the tail bearing
holes molded in. This use of wires in the lay-up creates a hole with no
drilled edges to wear quickly.
See
catalogue page for pricing and availability
