How to fly RC aircrafts


Radio Controlled Electric Airplanes

Why Choose A Radio Controlled Electric
Airplane?:Electric motors when supplied with a set
amount of electric current will produce very
Radio controlled airplanes are a unique andstable output results. Air pressure, air
fun hobby enjoyed by all types of people. Iftemperature and relative humidity have more
you have an RC airplane, there are many localeffect  on  (IC)  engine  settings.
RC flight clubs you can join, filled with
friendly, helpful people. Electric radio3.  Reliability.
controlled airplanes are an easy and
affordable way to learn to fly, and can beThis attribute relates to most of the other
much less expensive than comparable gasadvantages listed here. Simply put, it means
airplanes.if you apply an electric current to an
electric motor 10,000 different times, it
How  Do  Airplanes  Fly?:will, with great probability, operate each
time.
An airplane relies on the airfoil properties
of its wing to create lift when moving4.  Maintenance.
forward. Thrust is required to move the
airplane through the air, overcoming drag.Electric motors have very few moving parts.
When lift and thrust are greater than gravityThere are only minimal contact points to
and  drag,  the  airplane  will  fly.produce friction so lubrication is not a
major concern. An (IC) engine must be
What  Is  RTF  and  ARF?:lubricated at all times of operation. The
lubricant for model (IC) engines is mixed
RTF stands for Ready To Fly and means theinto the fuel and expelled after the fuel is
airplane is complete. Typically, this type ofburned  which  can  cause  an  oily  mess.
airplane will require no tools or glue, and
all you will need to do is plug a few parts5.  Vibration.
together and charge the battery. ARF stands
for Almost Ready to Fly, and means theBecause electric motors have only a few
airplane can be completed with very littlemoving parts and rotate along the same axis
work. This would include things like mountingas the direction of flight very little
the  electronics  and gluing parts together.vibration is produced. Internal combustion
engines use a piston pushed by explosions,
Spare  Parts:which changes direction (180 degrees) every
rotation of the crankshaft and at a 90-degree
For beginners, it is important to choose anangle to the direction of flight. These
airplane with replaceable parts that areforces create vibrations as a by-product.
readily available. Learning to fly may entailModels have to be constructed to withstand
crashing once in a while, and some parts likethe vibrations. This usually means more
the main wing, propeller, or tail assemblydesigning, building and materials are
may need to be replaced. Beginner planes arerequired.
designed with this in mind, with each part
held on by elastics or screws, so that they6.  Efficiency.
may  be  removed  and replaced when damaged.
If efficiency is measured by how much
Technical  Information:potential energy is input into a motor and
how much is produced by the motor afterwards,
Wing location is one of the factorsthen electric motors easily win the contest.
determining how a plane handles. An airplaneInternal combustion engines operate at
with a high wing design will have more weighttypical efficiencies of 55% the rest of the
below the wing, making it stable. A low wingenergy is used to create heat. Electric
design will place more weight above the wing,motors with carbon brushes operate at
allowing  more  rapid  changes in direction.efficiencies of 67% and electric brush-less
motors  operate  at  90%  efficiency.
Top  Reasons  To  Fly  Electric
7.  Versatility.
What are the advantages of electrically
powered model aircraft compared to InternalWithout very much modification electric
Combustion (IC) engine powered modelmotors can be used in different flying model
aircraft?applications such as: sport flying,
aerobatics, racing, helicopters, ducted fan
1.  Noise.jets, scale, float planes and micro size
aircraft.
The leading reason why model flying clubs
lose their flying facilities is complaints8.  Miscellaneous  notes.
about noise pollution. Internal combustion
means controlled explosions are rapidlyElectric motors can be easily geared to swing
occurring within an engine and muffling thelarge propellers. (IC) engines are more
explosions is very difficult to achievedifficult to gear and require more
without affecting engine performance.specialized materials and clutch systems.
Electric motors create very little noise evenBecause electricity maybe obtained from
at maximum revolutions. Small electric modeldifferent sources such as your electric
RC aircraft may be flown in urban parks andutility, gas generators, solar cells, wind
in gymnasiums without causing a disturbancegenerators and the emerging field of fuel
due to noise. The same cannot be said forcell generators, it is less restricted in
(IC)  powered  models.distribution and can be generated from
renewable sources.
2.  Consistency.



1 A B C D 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103