Hangar 9 Alpha 40 ARF Assembly Manual page 26


Step 3
The threaded rods from the fin will fit into the holes that are
pre-drilled in the stabilizer as shown.

Step 4
Slide the two #4 washers onto the threaded rods from the
bottom of the stabilizer.
26

Step 5
Apply a drop of threadlock onto each of the threaded rods.

Step 6
Thread the two wing nuts onto the threaded rods to secure
the fin to the stabilizer. Don't over-tighten the wing nut and
damage the underlying wood.

Step 7
Use a hobby knife to remove the covering from the slot on
the top of the fuselage for the fin.

Step 8
Use a hobby knife with a #11 blade to remove the covering on
the bottom of the fuselage for the stabilizer attachment screw.
Hangar 9 Alpha 40 ARF Assembly Manual