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So you have decided to convert your gas guzzler to electric, this is going to be fun, and save you plenty of dollars in the long run.

But now what is the best motor to use and where should we get hold of it. Which motor should you choose? The choice is firstly between AC or Alternating Current, the type of current which you have in your home typically, and DC or Direct Current, the type of current used in torches and most radio controlled cars etc. The main difference when it comes to DC is that you will be using 48, 60, 96 or more volts where in toys and RC cars you typically only use 6 or 9 volts. This obviously has some safety factors which we must take into consideration, more about that in another article.

In many of the commercially manufactured electric vehicles on the road today AC motors are being used, the main reasons for this is that AC motors are lighter for the amount of power that they put out and you are able to build in a mechanism which aids in recharging the batteries when you use the brakes, regenerative braking system. The two main disadvantages of AC motors is that they tend to be more expensive than DC motors and they require a bit more expertize to install into the vehicle. The reason for the more complicated installation is that you must deal with the inverter and factor in some current loses as a result, this is not necessary with a DC conversion.

A typical DC electric motor will probably exceed one or maybe two conversions, depending on how well you treat it. A recycled motor is often a good choice, especially for a first conversion, as it will save you money and will probably last well if you treat it carefully. A good place to start looking for a second-hand DC motor would be your local scrapyard.

DC motors are classed according to their diameter, and for your electric vehicle conversion a motor of between 9 and 13 inches would probably be ideal. These motors are not too heavy and have plenty of power.

For average DIY Electric Vehicle Conversion enthusiasts the best choice is a DC motor, the only question then becomes what size and voltage will you use? DC is best for these conversions because they are easier to install than AC motors, because you simply connect them to the batteries via the control unit which is controlled by the accelerator cable, just like a carburetor controls the amount of fuel going into a gas engine . In terms of size you want to match the power of your motor to your battery packs voltage, the larger the motor the larger your battery pack and the higher the voltage you will use in your system generally as a rule.

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Source by Daniel Robbins