GREAT PLANES Mini Slinger Manuale di istruzioni - Pagina 10
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This is where your model should balance for the first
flights. Later, you may wish to experiment by shifting the
C.G. up to 6 mm [1/4"] forward or 6 mm [1/4"] back to
change the flying characteristics. Moving the C.G. forward
may improve the smoothness and stability, but the model
may then require more speed for takeoff and make it more
difficult to slow for landing. Moving the C.G. aft makes the
model more maneuverable, but could also cause it to
become too difficult to control. In any case, start at the
recommended balance point and do not at any time
balance the model outside the specified range.
❏
2. With all of the parts of the model installed (ready to fly),
place the model on a Great Planes CG Machine, or lift it at
the balance point you marked.
❏
3. If the tail drops, the model is "tail heavy" and the battery
pack and/or receiver must be shifted forward or weight must be
added to the nose to balance. If the nose drops, the model is
"nose heavy" and the battery pack and/or receiver must be
shifted aft or weight must be added to the tail to balance. If
possible, relocate the battery pack and receiver to minimize or
eliminate any additional ballast required. If additional weight is
required, use Great Planes (GPMQ4485) "stick on" lead. Begin
by placing incrementally increasing amounts of weight on the
wings at the tips or in the radio tray until the model balances.
If you are adding weight at the tail, be sure that weight is added
evenly at each trailing edge of the wing halves to maintain
lateral balance. Once you have determined the amount of
weight required, it can be permanently attached.
❏
4. IMPORTANT: If you found it necessary to add any
weight, recheck the C.G. after the weight has been installed.
Balance the Model Laterally
❏
1. With the wing level, lift the model by the leading edge
tip and motor shaft. Do this several times.
❏
2. If one wing always drops when you lift the model, it
means that side is heavy. Balance the airplane by adding
weight to the other wing tip (an additional screw works well
for this). An airplane that has been laterally balanced will
track better in loops and other maneuvers.
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 11 and place it on or inside your model.
Charge the Batteries
Follow the battery charging instructions that came with your
charger. You should always charge your transmitter batteries
the night before you go flying, and at other times as
recommended by the radio 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 30 meters [100 feet] 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 first. Look for loose servo connections or
broken wires, corroded wires on old servo connectors, poor
solder joints in your battery pack or a defective cell, or a
damaged receiver crystal from a previous crash.
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