| Why Choose A Radio Controlled Electric
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| | 2. Consistency.
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| Airplane?:
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| | Electric motors when supplied with a set
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| Radio controlled airplanes are a unique
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| | amount of electric current will produce
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| and fun hobby enjoyed by all types of
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| | very stable output results. Air pressure,
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| people. If you have an RC airplane, there
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| | air temperature and relative humidity
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| are many local RC flight clubs you can
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| | have more effect on (IC) engine settings.
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| join, filled with friendly, helpful
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| |
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| people. Electric radio controlled
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| | 3. Reliability.
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| airplanes are an easy and affordable way
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| | This attribute relates to most of the
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| to learn to fly, and can be much less
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| | other advantages listed here. Simply put,
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| expensive than comparable gas airplanes.
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| | it means if you apply an electric current
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| How Do Airplanes Fly?:
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| | to an electric motor 10,000 different
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| An airplane relies on the airfoil
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| | times, it will, with great probability,
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| properties of its wing to create lift
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| | operate each time.
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| when moving forward. Thrust is required
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| | 4. Maintenance.
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| to move the airplane through the air,
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| | Electric motors have very few moving
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| overcoming drag. When lift and thrust are
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| | parts. There are only minimal contact
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| greater than gravity and drag, the
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| | points to produce friction so lubrication
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| airplane will fly.
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| | is not a major concern. An (IC) engine
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| What Is RTF and ARF?:
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| | must be lubricated at all times of
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| RTF stands for Ready To Fly and means the
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| | operation. The lubricant for model (IC)
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| airplane is complete. Typically, this
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| | engines is mixed into the fuel and
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| type of airplane will require no tools or
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| | expelled after the fuel is burned which
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| glue, and all you will need to do is plug
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| | can cause an oily mess.
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| a few parts together and charge the
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| | 5. Vibration.
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| battery. ARF stands for Almost Ready to
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| | Because electric motors have only a few
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| Fly, and means the airplane can be
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| | moving parts and rotate along the same
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| completed with very little work. This
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| | axis as the direction of flight very
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| would include things like mounting the
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| | little vibration is produced. Internal
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| electronics and gluing parts together.
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| | combustion engines use a piston pushed by
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| Spare Parts:
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| | explosions, which changes direction (180
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| For beginners, it is important to choose
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| | degrees) every rotation of the crankshaft
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| an airplane with replaceable parts that
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| | and at a 90-degree angle to the direction
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| are readily available. Learning to fly
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| | of flight. These forces create vibrations
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| may entail crashing once in a while, and
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| | as a by-product. Models have to be
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| some parts like the main wing, propeller,
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| | constructed to withstand the vibrations.
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| or tail assembly may need to be replaced.
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| | This usually means more designing,
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| Beginner planes are designed with this in
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| | building and materials are required.
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| mind, with each part held on by elastics
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| | 6. Efficiency.
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| or screws, so that they may be removed
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| | If efficiency is measured by how much
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| and replaced when damaged.
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| | potential energy is input into a motor
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| Technical Information:
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| | and how much is produced by the motor
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| Wing location is one of the factors
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| | afterwards, then electric motors easily
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| determining how a plane handles. An
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| | win the contest. Internal combustion
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| airplane with a high wing design will
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| | engines operate at typical efficiencies
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| have more weight below the wing, making
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| | of 55% the rest of the energy is used to
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| it stable. A low wing design will place
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| | create heat. Electric motors with carbon
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| more weight above the wing, allowing more
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| | brushes operate at efficiencies of 67%
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| rapid changes in direction.
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| | and electric brush-less motors operate at
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| Top Reasons To Fly Electric
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| | 90% efficiency.
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| What are the advantages of electrically
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| | 7. Versatility.
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| powered model aircraft compared to
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| | Without very much modification electric
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| Internal Combustion (IC) engine powered
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| | motors can be used in different flying
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| model aircraft?
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| | model applications such as: sport flying,
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| 1. Noise.
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| | aerobatics, racing, helicopters, ducted
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| The leading reason why model flying clubs
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| | fan jets, scale, float planes and micro
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| lose their flying facilities is
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| | size aircraft.
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| complaints about noise pollution.
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| | 8. Miscellaneous notes.
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| Internal combustion means controlled
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| | Electric motors can be easily geared to
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| explosions are rapidly occurring within
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| | swing large propellers. (IC) engines are
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| an engine and muffling the explosions is
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| | more difficult to gear and require more
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| very difficult to achieve without
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| | specialized materials and clutch systems.
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| affecting engine performance. Electric
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| | Because electricity maybe obtained from
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| motors create very little noise even at
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| | different sources such as your electric
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| maximum revolutions. Small electric model
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| | utility, gas generators, solar cells,
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| RC aircraft may be flown in urban parks
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| | wind generators and the emerging field of
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| and in gymnasiums without causing a
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| | fuel cell generators, it is less
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| disturbance due to noise. The same cannot
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| | restricted in distribution and can be
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| be said for (IC) powered models.
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| | generated from renewable sources.
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