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These are the recommended control surface throws:

High Rate

ELEVON:

1/2" [13mm] up

1/2" [13mm] down

AILERON:

1/2" [13mm] up

1/2" [13mm] down

IMPORTANT: The XPD-8 ARF has been extensively

flown and tested to arrive at the throws at which it flies

best. Flying your model at these throws will provide you

with the greatest chance for successful first flights. If, after

you have become accustomed to the way the XPD-8 ARF

flies, you would like to change the throws to suit your

taste, that is fine. However, too much control throw could

make the model difficult to control, so remember, "more is

not always better."

Balance the Model (C.G.)

More than any other factor, the C.G. (balance point) can

have the greatest effect on how a model flies, and may

determine whether or not your first flight will be

successful. If you value this model and wish to enjoy it for

many flights, DO NOT OVERLOOK THIS IMPORTANT

PROCEDURE. A model that is not properly balanced will

be unstable and possibly unflyable.

At this stage the model should be in ready-to-fly condition with

all of the systems in place including the receiver and ESC.

❏

1. Use a felt-tip pen or 1/8" [3mm]-wide tape to accurately

mark the C.G. on the top of the wing on both sides of the

fuse. The C.G. is located 6-1/8" [156mm] back from the

leading edge of the wing at the fuse. We do not recommend

deviating from the suggested C.G.

❏

2. With all parts of the model installed (ready to fly), place

the model upside-down on a Great Planes CG Machine, or

lift it upside-down at the balance point you marked.

Low Rate

5/16" [8mm] up

5/16" [8mm] down

5/16" [8mm] up

5/16" [8mm] down

❏

3. If the tail drops, the model is "tail heavy" and the battery

pack and/or receiver must be shifted to balance. If the nose

drops, the model is "nose heavy" and the battery pack

and/or receiver must be shifted to balance. This model is

very weight sensitive. Do not add any weight to achieve the

suggested balance point. Instead, shift the battery pack and

receiver forward or aft to alter the C.G.

❏

4. Once the proper position is determined, mark the battery

position to insure you place the battery in the same place

every flight. If you change the size of the battery, it will be

necessary to recheck the C.G. and mark the new position.

PREFLIGHT

Identify Your Model

No matter if you fly at an AMA sanctioned R/C club site or if you

fly somewhere on your own, you should always have your name,

address, telephone number and AMA number on or inside your

model. It is required at all AMA R/C club flying sites and AMA

sanctioned flying events. Fill out the identification tag on page 15

and place it on or inside your model.

Charge the Batteries

Follow the battery charging instructions that came with your

radio control system to charge the batteries. You should

always charge your transmitter and motor batteries the night

before you go flying, and at other times as recommended by

the manufacturer.

CAUTION: Unless the instructions that came with your

radio system state differently, the initial charge on new

transmitter batteries should be done for 15 hours using

the slow-charger that came with the radio system. This

will "condition" the batteries so that the next charge may

be done using the fast-charger of your choice. If the initial

charge is done with a fast-charger the batteries may not

reach their full capacity and you may be flying with

batteries that are only partially charged.

Range Check

Ground check the operational range of your radio before the

first flight of the day. With the transmitter antenna collapsed

and the receiver and transmitter on, you should be able to walk

at least 100 feet [30m] away from the model and still have

control. Have an assistant stand by your model and, while you

work the controls, tell you what the control surfaces are doing.

Repeat this test with the motor running at various speeds

with an assistant holding the model, using hand signals to

show you what is happening. If the control surfaces do not

respond correctly, do not fly! Find and correct the problem