WATT AGE odyssey ep arf Assembly Instructions Manual - page 20
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SECTION 13: FLYING THE ODYSSEY EP ARF
The Odyssey EP ARF can take off from the ground or be hand-launched. We recommend ground take-offs only from hard,
smooth surfaces. Since the wheels are small and lightweight, the airplane won't roll through any but the shortest grass.
Taking Off from the Ground
With the airplane pointing into the wind, apply full power and feed in right rudder to keep the airplane tracking straight as it
rolls down the runway. Once sufficient airspeed has been reached, which will happen pretty quickly, gently apply up
elevator to lift the airplane off the ground. Climb out straight ahead in a shallow climb to build up speed. Do not make any
steep turns or extreme climb angles right after take-off or you may stall the airplane.
Hand-Launching
Hand-Launching should always be done into the wind.
To hand-launch the airplane, gently grasp the fuselage between your thumb and forefingers at the C/G location. Hold
the airplane above shoulder level and turn on the motor to full power. With the motor running at full power, gently toss
the airplane straight ahead and level. Do not throw it up at an angle or throw it hard. Let the airplane fly straight and level
to pick up airspeed, then climb to your desired altitude. Be careful not to climb too steeply after hand-launching or you
could stall the airplane.
Adverse Yaw: Adverse yaw is when the airplane wants to yaw around the opposite axis as it rolls. For example, when the
airplane rolls to the right, the airplane also wants to yaw to the left.
Ailerons: The ailerons are the control surfaces on the wing that move up and down. These surfaces control the roll axis
of the airplane.
Aileron Differential: Aileron differential means that one aileron moves up farther than the opposite aileron moves down.
Using aileron differential helps eliminate the flight dynamic referred to as adverse yaw.
C/A Glue: An acronym for Cyanoacrylate. It dries very fast like "Super Glue." It comes in many different formulas for
different uses.
Center of Gravity: Most commonly referred to as the C/G or balance point, it is the point at which the airplane is in
complete balance in all three axes.
Control Horn: Part of the control system, the control horn is mounted to the control surface. It allows the pushrod to be
connected to the control surface. Almost all control horns are adjustable to allow for more or less control surface move-
ment.
Covering: Made out of vinyl or polyester. Covering has heat sensitive adhesive that, when heated, sticks to the wood
frame of the airplane. The Odyssey EP ARF uses real iron-on transparent covering material.
Covering Iron: A small hand-held iron, usually Teflon® coated. It is used to heat and apply covering material.
Cycling: The act of fully charging and discharging the flight battery. Cycling the battery increases performance and
duration.
Dihedral: The upward angle of each wing panel. Dihedral creates more stability which makes learning to fly much easier.
SECTION 14: GLOSSARY OF TERMS