Hook Up The Throttle - GREAT PLANES ZERO Instruction Manual

5. Place the back plate of the spinner on the engine and
position the engine on the mount so the back plate will be 5"
[125 mm] from the fi rewall. Tighten the engine mount screws
and hold the engine in place with a clamp. Use a Great Planes
Dead-Center Hole Locator or similar tool to mark the engine
mount bolt hole locations onto the mount.
6. Remove the engine and drill #36 (.106" [2.7mm]) holes at
the marks, then tap 6-32 threads into the holes—if available,
a drill press is preferred for drilling the holes and the tap may
be chucked in a hand drill to tap the threads.
7. Mount the engine to the mount with four 6-32 x 3/4"
Phillips screws and #6 lock washers.

Hook Up the Throttle

1. If necessary, enlarge the cutout in the throttle servo
tray to fi t your servo. Determine which side of the fuselage
works best for the throttle servo to align with the arm on the
carburetor, then glue the parts together to fi t that side.
2. Mount the throttle servo in the servo tray.
3. Glue the throttle servo tray into the side of the fuselage
that aligns with the carb arm.
4. Use the pattern on page 20 to make the throttle pushrod
from the 2-56 x 19 -3/4" [ 500 mm] pushrod.
13