Great Planes ElectroStik EP RxR - GPMA7500 User Manual
Page 7
 
7
PREPARATIONS
Use a covering iron with a covering sock on medium/high heat 
to tighten any loose covering if necessary. Apply pressure over 
sheeted areas to thoroughly bond the covering to the wood.
ASSEMBLY
Assemble the Wing
❏
1. Install the 20-7/8" [530mm] carbon fi ber wing joiner
tube and the 1" [25.4mm] steel alignment pin into the right 
wing panel as shown.
❏
2. Carefully slide the left wing panel in place as shown,
making sure that the servo lead does not get pinched.
❏
3. Fasten the wing halves together using the two included
nylon straps and four #2 x 3/8" [9.5mm] self-tapping screws 
as shown.
❏
4. Use your radio system to center the servo. Position the
ailerons in the neutral position with tape or small clamps 
and connect the clevises to the aileron torque rod horns. 
Make any necessary adjustments by threading the clevises 
up or down the pushrod. When satisfi ed, slide the silicone 
clevis retainers to the ends of the clevises.
Wing assembly is complete.
Optional - Dual Aileron Servos
The Great Planes ElectroStik EP RXR comes equipped with 
dual aileron servo trays for dual aileron servos. To install 
the dual aileron servos, follow these instructions:
For this section you will need:
1
Additional Servo (same 
type as your existing 
aileron servo.) 
1 “Y”
harness
2 6" [152mm] Pushrods
2 Nylon 
Clevises
2 Silicone Clevis Retainers
2 FasLinks
1 Servo
Mounting
Hardware
Set
1 Screwdriver
1 Wire 
Cutter
1 Pliers
1 Thin 
CA
1 Trim Sealing Iron
❏
1. Disconnect the aileron servo pushrods from the aileron
horns and remove the original aileron servo.
❏
2. Remove the two nylon straps and separate the
wing panels.
❏
3. Locate the dual aileron servo tray in each wing panel.
They are located on the underside of the wing at the 4th bay 
in from the wing tip. Trim the covering over the opening and 
use a sealing iron to seal the covering to the tray.
❏
4. Use a 1.5mm [1/16"] drill bit and drill mounting holes for
the servos. Insert and then remove a servo mounting screw 
into each hole and put a drop of thin CA into each hole to 
harden the threads.
7