Hangar 9 Twist 40 ARF Version 2 - Manual (Page 8)

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Section 6: Tailwheel Installation Section 7: Rudder Installation
Required Parts
Rudder • Tailwheel assembly •
Required Tools and Adhesives
Hobby knife • 6-minute epoxy •
Drill • Drill bit: 5/64-inch (2mm) •
Paper towel • Rubbing alcohol •
Step 1
Locate the pre-drilled hole in the bottom of the rudder. This is
the hole for the vertical shaft of the tailwheel assembly.
Step 2
Temporarily mount the tailwheel assembly to the bottom of
the rudder. Do not glue at this time. Slide the nylon tailwheel
support brackets to be evenly spaced along the tailwheel wire.
Step 3
Mark where you drill the two locations for the
tailwheel support.
Step 4
Drill through the bottom of the rudder with the
5/64-inch (2mm) drill.
Step 5
Mix up a small batch of 6-minute epoxy. Using a toothpick
insert a small amount of the epoxy in the hole in the bottom of
the rudder. Insert the vertical tailwheel wire into the hole with
the epoxy and mount the nylon brackets to the rudder with the
hardware included.
Required Parts
Fuselage assembly • Rudder •
CA hinge (3) •
Required Tools and Adhesives
Thin CA • T-pins •
6-minute epoxy •
Step 1
Locate the last three CA hinges, and place T-pins in the center,
as done for the ailerons and elevator.
Step 2
Install the hinges in the rudder.
Step 3
Test fit the rudder to the fuselage. Make sure the rudder will
rest tight against the fin and fuselage.
Step 4
Check to make sure the rudder moves freely. It should not rub
against the fin at the tip. Apply thin CA to both sides of the
hinge. Make sure to saturate the hinge, and don’t use
accelerator. Use a paper towel and CA debonder/remover to
clean up any excess CA.
Step 5
Once the CA and epoxy have fully cured, give the rudder and
fin the tug test to make sure the hinges are well glued. Flex the
rudder a few times to break in the hinges.