Finishing touches – Carl Goldberg GBGA1069 User Manual

Page 25

TAIL BRACING WIRE INSTALLATION

Collect the following items:

(4).063 x 8-1/2” wire with eyelets
(4) .063 x 10-7/8” wire with eyelets
(2) #4 x 3/8” sheet metal screw
(6) 4-40 x 1/2” pan head screw
(6) 4-40 locking nut

Turn the fuselage over and measure from
the back of the fuselage forward 1-1/4” and
make a mark.

Drill a 1/16” hole on the mark

Take two .063 x 8-1/2” wire and place a #4 x
3/8” screw into one end of each wire.

insert the screw into the hole in the fuselage.

Bend the front wire down to the stab and
mark the hole location for the front wire 3/4”
back from the leading edge.

Bend the rear wire down to the stab and
mark the hole location 5/16” from the trailing
edge.

Drill an 1/8” hole on both marks.

Insert a 4-40 x 1/2” pan head screw through
the eyelet on each wire Then insert the
screw into the hole in the stab. Do not put a
nut on at this time.

Repeat the above steps for the other side of
the stab.

Turn the fuselage right side up and insert the
10-7/8” wire on to the screws on the stab.

Install the 4-40 locking nuts on the screws
but do not tighten.

Bend the front wire towards the fin and mark
the hole location for the front wire 5/16” back
from the leading edge.

Bend the rear wire towards the fin and mark
the hole location 5/16” from the trailing edge.

Drill 1/8” hole on both marks.

insert a 4-40 x 1/2” pan head screw through
the eyelet on each wire Then insert the
screws into the holes in the fin.

insert a 10-7/8” wire onto the screws in the fin
and the stab then install the 4-40 locking nuts
on the screws.

Tighten all locking nuts till the eyelets are just
dimpling the wood.

FINISHING TOUCHES