I bought this link for my son's 11th birthday. I thought 4 out of 5 stars was pretty good, considering the number of reviews. Unfortunately, I didn't read them carefully enough (most were more detailed than I really cared to bother with). The thing works - that's not the issue - but it only works for 5-7 minutes, then has to be recharged for 40 min or more! For most kids, that's not much time. There's certainly not enough time to play/share with a friend (or little brother). Before we realized this, we tried it out in the cul de sac, then decided we needed a wide-open grassy area for "hard landings". We took it over to our elementary school, only to realize it was out of juice. This is our first remote control anything, so maybe this is typical (it is a very small device with an even smaller motor), but it seems really limited. <p>Industrial world is run by electricity and electric motors. Everybody knows the importance of such motors in our day-to-day life. Ever since Michael Faraday developed such a motor run on electricity in 19th century, the world has never been the same. It fundamentally changed the way we used to work. The discovery of Michael Faraday revolutionized work processes and increased productivity even as Industrial revolution was unfolding in England. You might be aware that a lot of industrial machines are run using electric motors. The motor works by producing electricity from electromagnetism and produces motion by using electricity and magnets. The motor is very handy in producing mechanical output. In other words, it can move objects.
Magnets play an important role in the functioning of electric motors. In order to understand the electric motors, one must have fair idea about magnets. You must be aware that magnet is made up of two poles-North and South. When two magnets are placed together, they are attracted to each other through the opposite poles. An electric motor was invented using the same principles. By passing the current through the electric wires, an electromagnetic field is created inside the motor which is then used to generate motion. You can easily infer that the machine works by converting electric energy into mechanical motion. Motion is generated by repulsion of the magnets thus begetting rotational motion from the motor.
The electric motors are divided into three types – Split Phase Motor, Capacitor Start Motor and Horsepower Motor. All three of them have got their distinctive features. Split Phase Motors are used in home and office appliances like fans, blowers, saws, drill presses, etc. It is used in motors which use complete load only when the motor reaches its operating speed. Capacitor Start Motor, on the other hand, is regarded as an improved version of the Split Phase Motor. It is known to require more energy at the starting point and is ideal for running heavy load and you will find such motors used in pumps, compressors, air conditioners, machine tools, conveyors, and blowers. Lastly, you have got horsepower and RPM motor which you will see commonly used in vehicles.
One must consider a number of things before you actually go for the purchase. You must first determine for what purpose you are buying the motor. Thrust is the most important aspect of all electric motors and it should be powerful enough to run your machine.
Magnets play an important role in the functioning of electric motors. In order to understand the electric motors, one must have fair idea about magnets. You must be aware that magnet is made up of two poles-North and South. When two magnets are placed together, they are attracted to each other through the opposite poles. An electric motor was invented using the same principles. By passing the current through the electric wires, an electromagnetic field is created inside the motor which is then used to generate motion. You can easily infer that the machine works by converting electric energy into mechanical motion. Motion is generated by repulsion of the magnets thus begetting rotational motion from the motor.
The electric motors are divided into three types – Split Phase Motor, Capacitor Start Motor and Horsepower Motor. All three of them have got their distinctive features. Split Phase Motors are used in home and office appliances like fans, blowers, saws, drill presses, etc. It is used in motors which use complete load only when the motor reaches its operating speed. Capacitor Start Motor, on the other hand, is regarded as an improved version of the Split Phase Motor. It is known to require more energy at the starting point and is ideal for running heavy load and you will find such motors used in pumps, compressors, air conditioners, machine tools, conveyors, and blowers. Lastly, you have got horsepower and RPM motor which you will see commonly used in vehicles.
One must consider a number of things before you actually go for the purchase. You must first determine for what purpose you are buying the motor. Thrust is the most important aspect of all electric motors and it should be powerful enough to run your machine.
