GREAT PLANES Riot 3D Manuel d'instruction - Page 17
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4) I will operate my model using only radio control frequencies
currently allowed by the Federal Communications Commission.
5) I will not knowingly operate my model within three
miles of any pre-existing flying site except in
accordance with the frequency sharing agreement
listed [in the complete AMA Safety Code].
9) Under no circumstances may a pilot or other person touch
a powered model in flight; nor should any part of the
model other than the landing gear intentionally touch
the ground, except while landing.
CHECK LIST
During the last few moments of preparation your mind may
be elsewhere anticipating the excitement of the first flight.
Because of this, you may be more likely to overlook certain
checks and procedures that should be performed before the
model is flown. To help avoid this, a check list is provided to
make sure these important areas are not overlooked. Many
are covered in the instruction manual, so where appropriate,
refer to the manual for complete instructions. Be sure to
check the items off as they are completed.
❏
1. Check the C.G. according to the measurements
provided in the manual.
❏
2. Be certain the battery and receiver are securely
mounted in the fuse.
❏
3. Extend your receiver antenna and make sure it has a
strain relief inside the fuselage to keep tension off the
solder joint inside the receiver.
❏
4. Balance your model laterally as explained in
the instructions.
❏
5. Add a drop of oil to the axles so the wheels will turn freely.
❏
6. Reinforce holes for wood screws with thin CA where
appropriate (motor mounting screws).
❏
7. Confirm that all controls operate in the correct direction
and the throws are set up according to the manual.
❏
8. Make sure that all servo arms are secured to the
servos with the screws included with your radio.
❏
9. Balance your propeller (and spare propellers).
❏
10.Place your name, address, AMA number and
telephone number on or inside your model.
❏
11.Cycle your battery pack (if necessary) and make sure
it is fully charged.
❏
12.If you wish to photograph your model, do so before
your first flight.
❏
13.Range check your radio when you get to the flying field.
The Riot 3D ARF is a very responsive airplane. Be very
careful on your first flights. The Riot 3D ARF does not,
however, possess the self-recovery characteristics of a
primary R/C trainer and should be flown only by experienced
R/C pilots.
CAUTION (THIS APPLIES TO ALL R/C AIRPLANES): If,
while flying, you notice an alarming or unusual sound
such as a low-pitched "buzz," this may indicate control
surface flutter . Flutter occurs when a control surface (such
as an aileron or elevator) or a flying surface (such as a
wing or stab) rapidly vibrates up and down (thus causing
the noise). In extreme cases, if not detected immediately,
flutter can actually cause the control surface to detach or
the flying surface to fail, thus causing loss of control
followed by an impending crash. The best thing to do
when flutter is detected is to slow the model immediately
by reducing power, then land as soon as safely possible.
Identify which surface fluttered (so the problem may be
resolved) by checking all the servo grommets for
deterioration or signs of vibration. Make certain all
pushrod linkages are secure and free of play. If it fluttered
once, under similar circumstances it will probably flutter
again unless the problem is fixed. Some things which can
cause flutter are; Excessive hinge gap; Not mounting
control horns solidly; Poor fit of clevis pin in horn; Side-
play of wire pushrods caused by large bends; Excessive
free play in servo gears; Insecure servo mounting; and
one of the most prevalent causes of flutter; Flying an over-
powered model at excessive speeds.
Launch & Takeoff
For the first flight, it is a good idea to have a friend launch the
airplane for you.This allows you to keep your hands on the radio
sticks and correct any trim problems that are present. Have your
friend hold the Riot 3D ARF by the fuselage just behind the
canopy. Throttle up to full power, and have your friend give the
plane a gentle, underhanded toss at about a 30° angle upward.
Since the Riot 3D ARF has a very high thrust-to-weight ratio, the
plane will accelerate to flying speed almost instantly. Climb to a
comfortable altitude and throttle back to a lower power setting.
This plane flies great at about half-throttle when in standard
forward flight.
The Riot 3D ARF is also capable of rise off the ground (R.O.G.)
takeoffs. Since the Riot 3D ARF does indeed have a large thrust-
to-weight ratio, ground takeoffs will require very short distances.
Point the nose of the Riot 3D ARF into the wind and advance the
throttle smoothly. A very sudden throttle movement could cause
a great deal of roll due to torque and make the plane very difficult
to control. When the Riot 3D ARF begins to lift off the ground,
apply a small amount of up elevator to rise into the air. Once
airborne, climb to a safe altitude and let the fun begin.
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