must be disposed. Never try to recharge a dry cell
The
Skydreamer
may be your first flying
with any charger; which may result in fire or
model and it may therefore be useful to understand
explosion.
some of the technical expressions used in this
hobby. Some of these terms and their meanings
BEC Battery Eliminating Circuit:
are detailed as follows in alphabetical order.
is a circuit for electric powered models where a
separate power source for the receiver is not
Accumulator:
Rechargeable storage unit for
required. The receiver is supplied with current from
electrical energy commonly referred to as a
the flight battery. The voltage is controlled by a
rechargeable battery. For model airplanes Nickel-
special device to a specific value.
Cadmium (NiCd), Nickel Metal Hydride (NiMH) and
Lithium Polymer batteries (Lipo) are used. The
Centre of gravity:
The centre of gravity is the
stored energy is measured in Milli-Ampere-Hours
(mAh). A battery with
950mAh is able to discharge
central point at which the forward and rear sections
a current of 10A for 5 minutes. To operate the
of the aircraft can be balanced. In an airplane the
motor of an airplane the battery must be able to
position of the centre of gravity in relation to lift,
discharge heavy current; within a few minutes it
plays an important role.
transmits its energy with the aid of the speed
controller to the motor. Accumulators / batteries
Crystal:
Radio control units for models can only
can be charged depending on their specification
transmit within limited ranges of frequencies and
several hundred times. Make sure to use only the
they may be different from country to country.
charger which is suitable for your type of battery.
These ranges are divided into channels (each with
Worn out or defective batteries (hazardous) must
a minimum distance in frequency). The accepted
be disposed in an approved manner.
method is with a matched pair of crystals for
transmitter and receiver, transmitting on an
identical frequency. Only one model may be
operated on one channel at a time. The crystals
are easily interchangeable if conflicts of
frequencies exist.
Electric motor Type 380
: Motor for direct
Aileron:
An airplane turns rather like a
current. The design of motors and batteries which
motorcycle, with aerodynamic and gravitational
can use high powered flying with electric
forces playing an important factor. The sideways
aeroplanes has now been achieved. Motors and
pitch of a conventional aircraft is achieved by
batteries become hot during the flight. Let them
moving the flaps or ailerons on the wing. On the
cool down before recharging and before the next
flight.
Skydreamer
the separate control surfaces
of the optional ailerons are operated in the
Elevator:
The elevator of an airplane in a normal
opposite direction.
design is similar to a small wing at the tail of the
Skydreamer
plane with a moveable flap at its end. By moving
this control surface up or down the lifting forces at
the elevator are altered; the tail of the plane is
dropped or lifted, resulting in ascent or descent of
the airplane.
Battery / dry cell:
Dry cells like Alkaline
batteries are disposable power sources. With the
Skydreamer
dry cells can be used for the
operation of the transmitter. At the end of its
lifetime the voltage of a battery decreases and
The flaps are not operational
when the
is in its as-supplied
condition. Spiralling is caused by the V-shape of
the wings after the tail fin has been put on. By
fitting ailerons to the wings you will be able to
perform tighter curves and rolls (aerobatics).
EXPLANATION OF SOME MODEL AIRCRAFT EXPRESSIONS
8-cell
NiMH-Accu
950mAh 9,6V
SKYDREAMER CARSON R/C MODEL AIRCRAFT 50 050 5011 7
GB
GB
