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Question:

how should i build a motor that will run on 2Amperes? using magnets and magnet wire?

what should i do to make it really fast?use more magnets? how do i reduce friction?how many coils?thanks!!!!

Answer:

Welcome to the the World of Electric Motors. How to Builda 2 Amp Motor, a step at a time. Coiling, position of Magnet (Type of Magnets), choice of Bushing and bearings, all play a integral part of making either a High torque or in this case RPM motor. Assuming that you are operating a DC Motor, (AC Motor, don't usually use magnets, but there are some out there) Start with Basic Design Link 1. - Answer you question about number of magnet (More accurately the Magnet strength) - And the Number of Coils Request for Speed Link 2. Summary For Speed, usually requires a lot of coils, generating a rapidly changing field, expect a few armature and alot of sections of magnets. Note 2 Ampere is al lot of current, and can easily harm any careless person. Check several time, visually and with the proper equipment before energizing the equipment. Friction reduction is a complete science by itself. If it is a School project, consider Dry type of Lub such as Graphite Carbon. As the running duration is short. (tens of minutes runs, with long period of down time that allow inspection) If it need a longer running time is expect, consider commercial grade stuff, such as Air bearings.

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