GREAT PLANES Super Sportster 40 Manual de instruções - Página 17

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GREAT PLANES Super Sportster 40 Manual de instruções

Low Rate

Aileron

3/16" [5mm] up

3/16" [5mm] down

Elevator

7/16" [11mm] up

7/16" [11mm] down

Rudder

1" [25mm] left

1" [25mm] right

These are the suggested deflection from center of the

control surface.

If you need more control movement, you should move the

clevis to a hole closer to the control surface or you can move

the rod at the servo away from the center of the servo. If you

have too much movement, do the opposite. See the

following sketches:

Moving the clevis outward on the servo arm

results in more pushrod movement.

Moving the clevis inward on the control horn

results in more throw.

Balance Your Model

Note: This section is VERY important and must NOT be

omitted! A model that is not properly balanced will be

unstable and possibly unflyable.

❏

1. The balance point (C.G.) is located 3-5/16" [84mm] back

from the leading edge of the wing against the fuselage.

Balance your Super Sportster using a Great Planes C.G.

Machine

Airplane Balancer (GPMR2400) for the most

™

accurate results. This is the balance point at which your

High Rate

3/8" [9.5mm] up

3/8" [9.5mm] down

5/8" [16mm] up

5/8" [16mm] down

1-3/16" [30mm] left

1-3/16" [30mm] right

movement

Less

movement

throw

model should balance for your first flights. After initial trim

flights and when you become more acquainted with your

Super Sportster, you may wish to experiment by shifting the

balance up to 1/4" [6mm] forward or backward to change its

flying characteristics. Moving the balance forward may

improve the smoothness and stability, but the model may

then require more speed for takeoff and may become more

difficult to slow for landing. Moving the balance aft makes

the model more agile with a lighter, snappier "feel" and often

improves knife-edge capabilities. In any case, please start at

the location we recommend. Do not at any time balance

your model outside the recommended range.

❏

2. With the wing attached to the fuselage, all parts of the

model installed (ready to fly), and an empty fuel tank, block

up the tail as necessary to level the stab. Lift the model at

the desired balance point, and observe the tail of the

aircraft. If the tail drops, the model is "tail heavy" and you

must add weight* to the nose to balance the model. If the

nose drops, it is "nose heavy" and you must add weight* to

the tail to balance the model.

Note: Nose weight may be easily installed by using a

"spinner weight." Tail weight may be added by using Great

Planes (GPMQ4485) "stick-on" weights.

*If possible, first attempt to balance the model by changing

the position of the receiver battery. If you are unable to

obtain good balance by doing so, then it will be necessary to

add weight to the nose or tail to achieve the proper balance

point. Remember to secure the receiver and battery after

your model has been balanced.

Balance Your Model Laterally

IMPORTANT: Do not confuse this procedure with "checking

the C.G." or "balancing the airplane fore and aft."

Now that you have the basic airplane nearly completed, this

is a good time to balance the airplane laterally (side-to-side).

Here is how to do it:

❏

1. Assemble the model in as in preparation for flight. (No

fuel is required for this procedure.)

❏

2. With the wing level, lift the model by the engine propeller

shaft and the fin post (this may require two people). Do this

several times.

❏

3. If one wing always drops when you lift the model, it means

that side is heavy. Balance the airplane by adding weight to

the opposite, lighter wing tip.

Note: An airplane that has been laterally balanced will track

better in loops and other maneuvers.