
37
.
.
Step 4
Use.a.hobby.knife.to.carefully.remove.the.backplate.from.a.
control.horn..Attach.the.clevis.for.the.rudder.pushrod.onto.
the.control.horn..Position.the.horn.so.the.holes.for.the.
clevis.align.with.the.hinge.line..Use.a.felt-tipped.pen.to.
transfer.the.mounting.holes.onto.the.rudder.
.
.
Step 5
Use.the.marks.made.in.the.last.step.to.drill.3/32".(2.5mm).
holes.through.the.rudder.for.mounting.the.control.horn..
Apply.a.drop.or.two.of.thin.CA.to.each.hole.to.harden.the.
underlying.balsa.
.
.
Step 6
Secure.the.control.horn.to.the.rudder.using.three.2mm.x.
12mm.machine.screws.and.the.control.horn.backplate.
Section 9: Radio Installation