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Specifications:
- KV Value: 3300RMP/V
- Wire Winds: 4
- Resistance: 10mΩ
- Power: 420W
- Idle Current: 5A
- ESC: 60A
- Input Voltage: 11.1~18.5V(li-polymer battery)
- Shaft Diameter: 5mm / 0.2in
- Size: 36 x 50mm / 1.42 x 1.97in (Dia. x L)
Features:
- 420W RC boat motor is powerful enough
- 10mΩ inrunner brushless motor keeps you company
- The brushless electric motor is made of special material
- High efficiency brushless electric motor
- Easy to use brushless electric motor
- It is designed to have a good structure and a super light weight
Details:
- 420W RC boat motor is powerful enough
- 10mΩ inrunner brushless motor keeps you company
- The brushless electric motor is made of special material
- High efficiency brushless electric motor
- Easy to use brushless electric motor
- 3300KV electric motor
Electric Motor Principles:
- The conversion form of electric motor principle is to take electrical energy into mechanical energy. A free-hanging wire was dipped into a pool of mercury on which a permanent magnet was placed. When a current was passed through the wire, the wire rotated around the magnet, showing that the current gave rise to a close circular magnetic field around the wire. This motor is often demonstrated in school physics classes, but brine(salt water) is sometimes used in place of the toxic mercury. This is the simplest form of a class of devices called homopolar motors
- Later there is a refinement called "electromagnetic self-rotors". These were demonstration devices only, unsuited to practical applications due to their primitive construction. Started experimenting with devices called "electromagnetic self-rotors". Although they were used only for instructional purposes, the first device was demonstrated to contain the three main components of practical direct currentmotors: the stator, rotor and commutator. The device employed no permanent magnets, as the magnetic fields of both the stationary and revolving components were produced solely by the currents flowing through their windings
How Does a DC Motor Work?
DC Motor Basics:- DC motors are in countless consumer electronic devices from CD players to computers to radio-controlled airplanes. There are many different kinds of DC motors, but they all work on the same principle. They turn current into pulses of magnetism, which they use to turn a rotor. There are many different kinds of electric m
Brushed DC Motors:
- Brushed DC Motors have two coils of wire around a rotor in the middle. Surrounding the coil are two magnets, both facing in the same direction. When the coils are facing the magnets, electricity flows into them. When electricity flows into a coil, it creates a magnetic field, and this magnetic field pushes the coils away from their magnets. As the rotor turns, the current shuts off. When the rotor has turned 180 degrees, each rotor faces the opposite magnet. The coils turn on again, this time with the electricity flowing in the opposite direction. This creates another pulse, pushing the rotor around again. The rotor has electric contacts on it, and there are small metal brushes that bump against the contacts. The brushes send in electricity, turning the motor on and off at the right times
Brushless DC Motors:
- Brushed motors work reasonably well, but they have a few drawbacks. The brushes create friction, slowing the motor and wasting energy. They also wear out. The brushes corrode or get worn away by friction from the rotor. Brushless motors solve both of these problems. A brushless motor has a permanent magnet on the inside of the rotor, facing so that its north and south poles are perpendicular to the axis of rotation. Around the rotor are coils. The coils work much like they do in a brushed motor. They give out timed pulses to push the magnet, spinning the rotor. Because there are no brushes, however, the motor can't control itself. Instead, it is attached to an electronic speed controller, which gives pulses of electricity at a certain speed to control the motor. The faster the coils pulse, the faster the motor will spin
Comparison of Motor Types:
Brushless DC motors' Advantages over Conventional Motors:
- Compared to AC fans using shaded-pole motors, they are very efficient, running much cooler than the equivalent AC motors. This cool operation leads to much-improved life of the fan's bearings
- Without a commutator to wear out, the life of a DC brushless motor can be significantly longer compared to a DC motor using brushes and a commutator. Commutation also tends to cause a great deal of electrical and RF noise; without a commutator or brushes, a brushless motor may be used in electrically sensitive devices like audio equipment or computers
- The same Hall effect sensors that provide the commutation can also provide a convenient tachometer signal for closed-loop control (servo-controlled) applications. In fans, the tachometer signal can be used to derive a "fan OK" signal
- The motor can be easily synchronized to an internal or external clock, leading to precise speed control.
- Brushless motors have no chance of sparking, unlike brushed motors, making them better suited to environments with volatile chemicals and fuels. Also, sparking generates ozone which can accumulate in poorly ventilated buildings risking harm to occupants' health
- Brushless motors are usually used in small equipment such as computers and are generally used to get rid of unwanted heat
- They are also very quiet motors which is an advantage if being used in equipment that is affected by vibrations
- Modern DC brushless motors range in power from a fraction of a watt to many kilowatts. Larger brushless motors up to about 100 kW rating are used in electric vehicles. They also find significant use in high-performance electric model aircraft
Package Included:
- 1 x Brushless Motor
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Jose Huerta
from ()
Bought this item on
08-18-2010- Other Thoughts: To busy putting someone down and getting lost in his own explanation, clueless at what it's all about.
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Deanna Wiseman
from ()
Bought this item on
10-19-2010- Other Thoughts: The worlds fastest RC boat goes 140mph. Same team a few years before achieved 120mph <br/> <br/>It was NOT ran with an outrunner. It was a Lehner Inrunner <br/> <br/>Inrunners in general produce high torque at low power and RPM levels. They are also not as efficient as inrunners, therefore not beinging able to handle high power outputs for long.
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Keven Dupont
from ()
Bought this item on
01-08-2010- Other Thoughts: I bought this brushless electric motor in order to replace the original one that I burned out on my Stampede. The brushless electric motor arrived in perfect conditions and in just 3 minutes I was able to race again.
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Cody Oebel
from ()
Bought this item on
04-08-2010- Other Thoughts: I have just bought a RC boat for my son. A time later, he was not so satisfied with the speed and asked me to help him. When i happend to see the eletric brshless motors, i just had a try. It did speed the RC boat up from before. My son love it so much. It is great.
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Keegan Barrett
from ()
Bought this item on
11-24-2010- Other Thoughts: i want to get my rc boat going like 100+ and i saw a video ov the worlds fastest rc boat going 120mph and the person who posted it said that they were using a outrunner motor what kind of motor is capible ov doing this? Outrunner or Inrunner? After i saw the description, i had a more clear idea and this outrunner motor is my choice.
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