Washout
– An intentional twist in
the wing, causing the wing tips to
have a lower angle of attack than
the wing root. In other words, the
trailing edge is higher than the
leading edge at the wing tips.
Washout helps prevent tip stalls
and helps the “PT” family of
trainers recover, hands-off, from
unwanted spiral dives.
Wheel Collar
– A small, round
retaining device used to keep a
wheel from sliding off an axle.
Wing Loading
– This is the
amount of weight per square foot
that has to be overcome to provide
lift. It is normally expressed in
ounces per square foot. This
specification can be easily
calculated as follows: If you know
the square inches of the wing,
simply divide by 144 to obtain
square feet. Divide the total
weight (in ounces) of the airplane
by the wing area (in square feet).
This information is valuable when
deciding on which airplane to
build next. Planes with high wing
loading numbers must fly faster to
stay in the air. These are generally
“performance” airplanes. Conversely,
planes with lower numbers do not
need as much air flowing around
the wing to keep it flying. Gliders
and trainer airplanes fall into this
category because slow, efficient
flight is desirable.
Wing Root
– The centerline of the
wing, where the left and right wing
panels are joined.
Yaw Axis
– The airplane axis
controlled by the rudder. Yaw is
illustrated by hanging the airplane
level by a wire located at the
center of gravity. Left or right
movement of the nose is the Yaw
movement.
Z-Bend
– A simple Z-shaped bend
in the wire end of a pushrod,
which is used to attach the
pushrod to a servo output arm.
Z-Bend Pliers
–A plier type tool
used for easily making perfect
Z-bends.
39
BUILDING NOTES
Kit Purchased Date: _____________________________
Where Purchased: ______________________________
Date Construction Started: ______________________
Date Construction Finished: _____________________
Finished Weight: _______________________________
Date of First Flight: _____________________________
FLIGHT LOG
Summary of Contents for Awarf Series
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