APC EP Zero ARF Specifications download pdf (Page 9)

c) Inside the fuselage, hold the pushrod wire over the elevator

servo output arm and mark the wire where it crosses over the

outer hole in the servo arm.

d) At the tail end, unlock the elevator from neutral position, and

then unclip the clevis from the control horn. Remove the clevis

and the hex nut completely off of the pushrod and set them aside.

Now pull the pushrod out of the fuselage from the servo end. It

will be easier to complete the next three steps with the pushrod

out of the airplane.

e) Cut off the pushrod wire 1/4” past the mark made at the

servo end in step c). Then put a sharp 90-degree bend in the wire

at the mark.

f) Remove the servo arm from the elevator servo. Drill out the

last hole in the servo arm with a 1/16" dia. drill so it will accept the

pushrod wire. Then insert the bent end of the pushrod wire into

the servo arm, from the top.

g) Clip a Nylon Snap Keeper in place to hold the pushrod wire

in the servo arm. Snap the free end of the keeper up and over

the protruding end of the pushrod wire, underneath the servo arm.

h) Now slide the pushrod back inside the pushrod sleeve in the

fuselage, from the front. When it is in far enough, put the servo

arm back in place on the servo.

i) Make sure that the elevator servo is in neutral position and

then adjust the metal clevis at the tail end as needed to get the

elevator in perfect neutral position.

j) After the elevator is properly adjusted, insure that the metal

clevis can’t open up and come loose from the control horn by slid-

ing the small piece of fuel tubing over the arms of the clevis. Also

tighten the M2 Hex Nut up against the back of the clevis.

❑ 25) Locate the pre-cut pushrod exit hole for the rudder on the

left side of the fuselage at the back of the plane and repeat step

24) in its entirety to install the rudder pushrod.

ELECTRIC MOTOR & ESC INSTALLATION

For this section you will need:

(1) Fuselage

(1) Plywood Electric Motor Mount

(1) Balsa Triangle Stock

(4) M4 x 16mm Socket-Head Bolts

(4) M4 Split-Ring Lock Washers

(4) M4 Blind Nuts

(1) Plywood Battery Tray

(1) Hook-and-Loop Tape (Velcro®)

(1) set Electric Motor, ESC, Prop, Lipo Battery (not furnished)

NOTE: The mounting of the electric motor in the T-CLIPS assumes

that your motor has a typical "X" or "cross" mounting plate on the

back of the motor.

❑ 26) Notice that the firewall portion of the laser-cut plywood

motor mount is adjustable fore and aft to accommodate different

length motors. The length of the motor mount can be set between

1.7" to 2.1". Next we will determine where you should set it.

❑ 27) Assemble your motor according to the manufacturer's in-

structions. Then carefully measure the distance from the back of

the mounting plate to the front of the thrust washer*.

* The “thrust washer” is the part of the prop adaptor where the

back of the propeller will be located.

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APC EP Zero ARF Specifications Page 9

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