User Manual
BOOMERANG EP Instruction Manual.
16 16
FLIGHT PREPARATION. PREFLIGHT CHECK.
Check the operation and direction of the
elevator, rudder, ailerons and throttle.
A) Plug in your radio system per the
manufacturer’s instructions and turn
everything on.
B) Check the elevator rst. Pull back
on the elevator stick. e elevator halves
should move up. If it they do not, ip the
servo reversing switch on your transmit-
ter to change the direction.
C) Check the rudder. Looking from
behind the airplane, move the rudder
stick to the right. e rudder should
move to the right. If it does not, ip the
servo reversing switch on your transmit-
ter to change the direction.
D) Check the throttle. Moving the
throttle stick forward should open the
carburetor barrel. If it does not, ip the
servo reversing switch on your transmit-
E) From behind the airplane, look at
the aileron on the right wing half. Move
the aileron stick to the right. e right ai-
leron should move up and the other ai-
leron should move down. If it does not,
ip the servo reversing switch on your
transmitter to change the direction.
1) Completely charge your transmit-
ter and receiver batteries before your rst
day of ying.
2) Check every bolt and every glue joint
in the BOOMERANG EP to ensure that
everything is tight and well bonded.
3) Double check the balance of the air-
plane. Do this with the fuel tank empty.
4) Check the control surfaces. All
should move in the correct direction and
not bind in any way.
5) If your radio transmitter is equipped
with dual rate switches double check that
they are on the low rate setting for your
rst few ights.
6) Check to ensure the control surfaces
are moving the proper amount for both
low and high rate settings.
7) Check the receiver antenna. It should
be fully extended and not coiled up inside
the fuselage.
8) Properly balance the propeller. An
out of balance propeller will cause exces-
sive vibration which could lead to engine
and/or airframe failure.
We wish you many safe and enjoyable ights
with your BOOMERANG EP.