Thursday, July 19, 2012

Build Your Own Electric Supercharger

Building and installing a homemade electric supercharger on your car is not as crazy as it may sound. There are several sites on the web with information available on this type of project. Some of the information is available for free, but expect to pay for more detailed plans and information. When deciding between a homemade electric supercharger and a ready built one, it is important to know what will actually work.

An electric, or any other type of supercharger, is used to increase the amount of oxygen in the combustion chamber to burn fuel. The more oxygen present, the more fuel can be burned. This yields a higher amount of power with each stroke of the piston. This translates to better performance. This is a very simplified version of the facts, but it is accurate. The more oxygen introduced into the combustion chamber, the more fuel will need to be fed into it to maintain the proper ratio of fuel to air for the most efficient burning and harnessing of the power generated by the combustion process.

An electric turbocharger that relies of CFM (cubic feet per minute) of airflow won't work. It can't work because unless it compresses the air to allow for more oxygen to mix with more fuel, there is no change in performance. The correct variable to reference when talking of supercharging is the PSI (pounds per square inch). PSI is a measure of force, whereas CFM is a measure of volume. Obviously, CFM does nothing to increase the amount of oxygen in the combustion chamber. Only a compressor can reduce the volume of the air taken into the chamber. Without the compression of the air, prior to its introduction to the chamber, there will be no increase of oxygen available for the burning of the fuel. This means if more fuel is added without the corresponding amount of air, the additional fuel is wasted. No oxygen results in no burning of fuel. If there is no explosion, then no power is generated.

So, when looking for a kit, or instructions, on how to build your own electric supercharger, it is important to remember some basics. If the instructions continually use CFM as the main measure, it is wrong. If the instructions cite PSI as the main variable to change, then it might work. Make sure to read through all the information given about the product, kit, or instructions. This may save a lot of agony later. Check the references of the supplier, the longer they have been in business and the better a reputation they have, the better the chance their product will actually work. Be very careful when making a decision, there are a lot electric supercharger scams out there. When you finish your project, have fun!


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