Have fun with RC aircrafts


Plane characteristics

Wing  locationaerodynamic structure. This allows the plane
to be relatively balanced whether
High  wingrightside-up, upside-down, or any other
position. This is great for military jets,
The easiest planes to fly are typically onessport planes and aerobatic planes, but less
that have a high wing, or a wing that is onadvantageous for the learning pilot. Because
top or above the plane's fuselage. Wingof this symmetry, the plane doesn't really
dihedrals (bend or change of angle in winghave any natural or stable flying position,
relative to fuselage) or polyhedrals are alsolike the high wing planes, and will not
common. Most trainers and park flyers haveautomatically return to a stable gliding
this  configuration.position.
These planes hold most of their weight underNumber  of  channels
the canopy of the wing structure and tend to
react more like a glider. For this reason,The number of channels a plane requires is
they are very stable and easy to fly. If adetermined by the number of mechanical servos
high wing plane is out of control, stabilitythat have been installed. On smaller models,
can often be regained by returning theusually one servo per control surface is
controls to a neutral position, allowing thesufficient.
plane to naturally fall back into a gliding
position. Because of the wing shape, wingAilerons  -  controls  roll.
position, and drag under the wing due to the
fuselage, these planes fly slower than theirElevator  -  controls  pitch  (up and down).
mid and low wing counterparts, but can
usually  do  some  aerobatic  maneuvers.Throttle  or,  if  electric,  motor  speed.
High wings are typical of many vintageRudder  -  controls  yaw  (left  and right).
private planes. For example, the Piper Cub
and  the  Cessna  170.For more complex models and larger scale
planes, multiple servos may be used on
Low  wingcontrol surfaces. In such cases, more
channels as required to perform the various
Low wing planes offer a higher level offunctions such as opening cargo doors,
flying difficulty because the weight of thedropping bombs, operating remote cameras,
plane sits on top of the wing structure,lights,  etc.
making the balance a bit top heavy. Most wing
configurations provide a slight dihedral toThe right and left ailerons move in opposite
provide  a  bit  more  balance during flight.directions. However, aileron control will
often use two channels to enable mixing of
The weight distribution and wing position ofother functions on the transmitter. For
a low wing plane provides a good balance ofexample when they both move downward they can
stability and maneuverability. The plane'sbe used as flaps (flaperons), or when they
weight is easier to move around the rotationboth move upward, as spoilers (spoilerons).
axis during a roll because it is closer toSome aircraft, such as the Concorde do not
the wing, requiring much less leverage than ahave an elevator. When that function is mixed
high  wing  plane.with ailerons the surfaces are known as
elevons. Each of these mixes are common on
Low wings are typical of World War II warradio  control  planes.
planes and many newer passenger planes and
commercial  jets.With a three channel RC plane, either the
ailerons or rudder control surface is
Mid  wingeliminated. If the rudder is eliminated,
turning is accomplished by rolling the plane
Mid wing planes are usually considered theleft or right and applying the correct amount
most difficult to fly. The wings are usuallyof up-elevator. If the ailerons are
located right in the vertical middle of theeliminated, the wing needs to have a
plane, near the bulk mass of the plane. Verysignificant amount of dihedral (V-bend in the
little leverage is needed to turn and rotatewing). The rudder will turn the plane so that
the  plane's  weight.one wing will turn into the wind, causing it
to lift and roll the aircraft. Many trainers
Mid wings are often straight without anyand electric park fliers use this technique.
dihedral providing an almost symmetrical



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