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corner of the fin. When the glue has
set, drill 2 3mm holes and install the 2
M3 T-Nuts. Counter sink the holes in
the phenolic hinge post so that the
screw heads are flush with the post's
top surface. Install the rudder
temporarily to see if movement is
sufficient. You can open the slot in the
rudder slightly to allow the deflection
you desire.
Carry over the hole for the 10 mm
torsion linkage from the rudder to the
fuselage. You can drill this hole 2 mm
larger in diameter, because you will
install a ball bearing later, once the
position is perfectly determined. Take
the rudder off from the fin and glue in
the sockets/rails for the torsion linkage.
Assemble the torsion linkage from the
prepared parts, which you find in your
hardware bag, according to drawing
and photos. Don't forget to install the
ball bearing with its plywood socket to
the rod. Dry fit the linkage to the
rudders receptacle and mount
everything to the fin/fuselage. Then
you can glue the plywood bearing
socket into the fuselage. The torsion
linkage will remain in the fuselage
forever, but you still can remove the
rudder for maintenance reasons, if you
have to. The rudder servo is mounted
in the tail gear former assembly. The
push push setup of the rudder linkage
makes a second support of the torsion
linkage obsolete. You will find that the
torsion linkage becomes fully defined
and solid as soon as both pushrods are
installed between torsion rod and servo
horn.
Instruction Manual F4U-1D Corsair
info@carf-models.com
Process of gluing the
rudder fin to the fuselage
and installing the main
fin spar.
Page 30
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