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Step 76 Carbon Tail Pushrod
Insert and mark the position where the end cap overlaps one end of
the carbon pushrod. Remove and sand through the glossy surface
up to the marked position. Sand or score the inside surface of the
end cap. Mix up JB Weld or slow Epoxy and bond only one end cap
onto the carbon pushrod. Thread one Grey ball link onto the M2
pushrod, inserting the rod 10mm into the link. Apply L242 Blue
theadlock to the pushod and thread into the end cap until it stops.
Allow it to cure overnight for highest strength.
#HI6080 Rudder
Mounts x 2
M2.5x12
Self Tapping
Screws x 4
Servo Output
on the right.
Insert one steel ball into the servo arm at 12-14mm
from the servo center and secure with one M2 hex nut.
Position the servo horn on the servo at 90
the transmitter trim in the center. Wrap the liners and
insert two M2.5x12 socket cap screws to secure the
rudder mount to the tail boom next to the tail transmis-
sion. Continue tightening until the liners are seated but
the rudder servo can still be moved. After the rudder
pushrod is installed the exact position will be set.
32
M3x5 Set Screw
Now that the tail transmission is in place the tail bevel gear mesh must
be set. Rotate the tail transmission shaft until the flat spot is visible
through the hole in the bevel gear. Apply L242 Blue threadlock to the
M3x5 set screw and insert into the bevel gear. Slide the gear forward
until there is zero backlash but the inner gear does not bind. The initial
flights will wear in the gears, eliminating any high spots that may be
noticeable when turned by hand.
Make sure the set screw is
positioned over the flat spot in
the tail transmission shaft.
Insert the rubber grommets and the eyelets from the bottom of the servo.
Attach the two mounts to the servo from behind the mounting tabs with
the servo output shaft on the right side using four M2.5x12 self tapping
screws. Attach the matching rudder mount clamps using two M2.5x12
socket cap screws at the pivot ends, notice the bolts only go in one way.
Curve the mount liners around the tail boom and trim 1-2mm from the
length for a good fit. A slight gap is preferred.
degrees with
0
As a reminder, the main gear, pinion gear and tail
bevel gear should NOT be lubricated! Any type
of lubricant will attract dirt that will ultimately
damage the helicopter gears.
#CNLR1000S
Tail Ball Link
- Grey x 2
M2.5x12 Socket Cap
Screw x 2
M2.5x12
Socket Cap
Screw x 2
Optional
#CN2288 Metal
Servo Arm Pack
Step 75 Tail Bevel Gear Mesh
Carbon Tube
End Cap x 2
#HW6065 Tail
M2 Pushrod
Step 77 Rudder Servo Mount
#HI6080 Rud-
Tail Mount
der Mount
Liner x 2
Clamps x 2
90
0
#CNLR1018 Ultra Short
Steel Ball & M2 Hex Nut
Pushrod Set
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