Next you will attach the rear sub
frame to the helicopter.
There are eight attachment points,
four on each side. Take an M3x20
cap head screw and slide it through
the hole on the frame. Next, slide a
10mm spacer onto each of the bolts.
Slip the sub-frame into the middle
and secure each bolt with a 24mm
cross member in the middle.
When assembling the rear frame, do
not tighten all of the screws until you
loosely install and start all of the
M10 and M24 cross members. This
will take a little time so be patient.
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