Elaini Maeder Bike

2 page esssaayyy. :D

There are many different types of magnets. Some have a stronger magnetic field than others, and they come in different shapes. Magnets have a north and south part on it. The north is attracted to the south and the south is attracted to the north. If the north is facing the north of the other magnet, it repels. It’s the same if the south faces the south of the other magnet. The current in the wire creates the magnetic field around it.

There are seven parts in a motor: Stator, Rotor, axle, brushes, commutator, shaft, and field magnets. A field magnet is around the motor, and it is a magnet that provides a magnetic field. The field magnets are on the stator. The stator is what’s stationary in your motor, so it doesn’t move at all. Every part in the motor (besides the stator) rotates, and all of them rotate on the axle. It’s the center that everything rotates on. The shaft is part of the axle. The part of the motor that moves is called the armature (or as known as the rotor). The other part of the motor that rotates on the axle is called the commutator. It’s the electrical switch, and it turns things on or off. The commutator is connected to the power source by the flexible arms, knows as the brushes. The motor operates from the opposite magnets that are repelling from each other.

My project that I am focusing on is how to create electricity on a stationary bike. The stationary bike is also a crank generator, just on a bigger scale. The way that a stationary bike works is that you’re turning the motor by the pedals moving. There are a lot of materials that I would need to use for this to work. Like I said earlier, the exercise bicycle works the same exact way as a simple hand cranked generator works. The only difference is that it’s a bigger scale and you crank it with your legs. The way it works is the end of the crank that is inside the body of exercise bicycle is covered in magnets. Around that is a little dead air space and then a ton of coiled wires. When you turn the crank, it spins the magnets creating a magnetic field. The magnetic field induces a current of electricity in the coiled wires.

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