Instruction manual

XI. BUILDING THE TAIL BOOM ASSEMBLY, BOOM SUPPORTS, AND INSTALLATION ONTO THE

MAIN MECHANICS

Bags required: 11A through 11D

Tools or materials required:

M1.5 and 2.5 Allen tools

M5.5 (7/32@) flat wrench

Small pliers

Small straight blade and Phillips screw drivers

Hand drill with 1.30mm (.055@) drill bit

Heat gun

AJ-B Weld@ epoxy or similar slow cure epoxy, slow Cyanoacrylate glue (CA) and silicone glue

Small piece of 180 - 22- grit sandpaper

Light oil or Vaseline petroleum jelly.

Step 1: Installing the Tube Drive, Push Rod Guides, and Fins

Parts Required Bag #

8 #0003 M3 flat washers (large) 11B

2 #0006 M2.5 Atoothed@ lock washers 11B

4 #0015 M2 hex nuts 11B

5 #0019 M3 hex locknut 11B

1 #0024 M2.2 x 4.5 Phillips self tapping screw 11B

2 #0027 M2.2 x 9.5 Phillips self tapping screw 11B

5 #0032 M2.9 x 9.5 Phillips self tapping screw 11B

2 #0043 M2 x 10 slotted machine screw 11B

2 #0044 M2 x 12 slotted machine screw 11B

1 #0063 M3 x 10 Socket Head Bolts 11B

4 #0077 M3 x 30 Socket Head Bolts 11B

2 #0186 Front tail boom clamp halves 11B

2 #0477 Push rod guide support 11B

1 #0683 Tail rotor gearbox clamp 11B

2 #0800-5 O-rings 11B

2 #0868-5 Push rod guides 11B

1 #0870-1 Horizontal fin mount 11B

1 #0587-14 Graphite Tail Boom Ultra 33@ 11A

1 #0867-15 Heavy Duty Torque Tube Assembly 11A

1 #0589-4 Horizontal Fin 11A

1 #0589-5 Vertical Fin 11A

Refer to Drawings #11A

, #11B, and #11B-1

A. Select the #0867-15 Heavy Duty Torque Tube Assembly. The ball bearings at the center are surrounded by

plastic housings which require the addition of two O-rings #0800-5. Select and install these O-rings. Apply a

light coat of oil or Vaseline lubricant and slide the assembly into the #0587-14 Tail Boom.

B. Slide one #0870-1 Horizontal Fin Mount onto the rear (notched end) of the tail boom, positioning it

approximately 175mm from the end