You can find radio control cars data that will help you move onto the next dimension. Magnets are also involved. First of all, it is necessary to note that while the magnets are more powerful, more power the engine can deliver.
For radio control cars engines with many RPMs but low torque (eg ducted-fan) with only 6 magnets will be well. But if we want high torque, the best option comes from the hand with 12 magnets. In fact you should always use 12 magnets to cover at any rate better poles as we shall see later.
In short magnets (quality and quantity) are also another factor of the RPMs and torque (See LRK motor) as is the wire and coil configuration. When gutting a CD-ROM engine will find that the bell has a ring-shaped magnet flat on the inside. This ring has multiple magnetic poles N and S incorporated, we can check this if we go through the ring with a magnet in our hand, and we notice the attraction and repulsion at certain points, which are the poles.
Magnetic rings
There are two types of radio control cars magnetic rings, a black color where the material is based on ferrite and a gray color that is more powerful than the first. These rings can use them to make a low-power brushless would only have to rewind the stator and ready. You can fly a small plane low weight without problems. In fact that's how it started on the web, an article in rc groups that said "one hour CD rom motor construction".
However, these small changes are not powerful enough and have only performance at high RPMs, so a very low torque. The most powerful magnet factory is not entirely useful to us.
The next step is to make radio control cars motor with a rotor with magnets more powerful, we took the ring and put about 12 5x5mm magnets by 1 mm thick, and we note an excellent power boost.
Much is gained by using powerful magnets, pulse counter electromotive (EMF) is much higher for the same amount of turns in the winding with weaker magnets. If we have this EMF is decreased speed range of the engine, therefore it is necessary to lower the number of turns of the coil to achieve those RPMs we lost.
A LRK motor is a motor winding design in particular, to obtain maximum use of magnetism for a given stator and rotor. The more magnetic flux is generated in the coils, more torque can be obtained but the RPMs are lower.
This does not mean radio control cars LRK motors cannot operate well at high spin. Once you understand the topic of relationships and the windings turn, consider finding a club to begin onto the rc hobby!
Personalized keychain pocket watch is the Perfect Choice
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