Installing The Motor - Mountain Models Eva Manual

Extremely versatile airframe
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Installing the pushrods
Cut two pieces of .032" wire 1 1/8" long. Make a small L bend in one end of each
1.
wire. The L bend should be about 1/8" long. Lightly sand each wire to ensure a good
glue joint later.
Insure that the servo is centered. Make a Z bend in one end of a .025 wire. Attach
2.
the Z bend to a servo horn. Run the wire through the pushrod tube and cut the other
end ¼" past the control horn. Slide a ½" long piece of heat shrink tubing over the
pushrod wire. Slide the L bend wire into the tubing. Slide the small end of the L bend
into the control horn and flip the .025 pushrod wire over the horn, thus holding the
pushrod in place.
Center the surface and shrink the tubing.
3.
Once everything is adjusted, flow some thin CA into the heat shrink tubing to bond
4.
everything securely.
Correct Control Horn Hole Selection
Hole closer to the control surface = more throw
Hole further from the control surface = less throw
Correct Servo Horn Hole Selection
Hole closer to the servo = less throw
Hole further from the servo = more throw

Installing the Motor

We recommend a brushless motor rated for around 100 watts ( more if you're crazy like
us). The GWS EPS350C-C will also work as a low cost alternative but won't have enough
power for good 3D flying.
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Installing the Motor
Chose if you want a front firewall mount or a stick mount. Because the motor mount
1.
unbolts, you can change mounts later.
You will want to glue the mounts together with epoxy, rather than CA. Epoxy can
2.
handle the vibration of a slightly out of balance propeller better than CA can.
Assemble the motor mount as shown in the photos. Make sure the parts are seated
3.
properly to ensure the thrust angles are correct.
20

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