19
YAK 55 -
ITEM CODE:BH111.
Instruction Manual
1. Completely charge your transmitter and
receiver batteries before your first day of fly-
ing.
2. Check every bolt and every glue joint in
your plane to ensure that everything is tight
and well bonded.
3. Double check the balance of the
airplane.
4. Check the control surface.
5. Check the receiver antenna . It should
be fully extended and not coiled up inside the
fuselage.
6. Properly balance the propeller.
PRE-FLIGHT CHECK.
We wish you many safe and enjoy-
able flights with your YAK 55M.
1. We highly recommend setting up a plane
using the control throws listed.
2. The control throws should be meas-
ured at the widest point of each control sur-
face.
3. Check to be sure the control surfaces
move in the correct directions.
CONTROL THROWS
.
Ailerons : 25 mm up 25mm down
Elevator : 30 mm up 30mm down
Rudder : 35 mm right 35mm left
With the wing attached to the fuselage, all
parts of the model installed ( ready to fly), and
empty fuel tanks, hold the model at the
marked balance point with the stabilizer level.
Lift the model. If the tail drops when you
lift, the model is “tail heavy” and you must add
weigh* to the nose. If the nose drops, it is “nose
heavy” and you must add weight* to the tail to
balance.
Aileron Control
25
25
30
30
35
35
135
