Hangar 9 Alpha 40 ARF Assembly Manual page 22


Step 10
Measure in 7/8-inch (23mm) from each side of the fuselage
and use a felt-tipped pen to draw a line as shown.

Step 11
Position the landing gear strap on the line and center it over the
slot in the fuselage. Use a felt-tipped pen to mark the locations
for the two mounting screws for each landing gear strap.
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
Step 12
Use a drill and 5/64-inch (2mm) drill bit to drill the four holes in
the bottom of the fuselage for the landing gear strap screws.

Step 13
Apply 2–3 drops of thin CA in each hole to harden the
surrounding wood. This will make the screws more secure
and help prevent them from vibrating loose in flight.
hint: At this time you can remove the lines from the
bottom of the fuselage using rubbing alcohol and a
paper towel.

Step 14
Fit the gear to the fuselage. They must fit flush with the
bottom of the fuselage as shown. If not, it may be necessary
to enlarge the bevel made back in Step 9.

Step 15
Secure the main landing gear assemblies using the two
landing gear straps and four #4 x 3/8-inch wood screws. Use
a #2 Phillips screwdriver to tighten the screws.
Hangar 9 Alpha 40 ARF Assembly Manual