Electric supercharger - Mercedes-Benz Forum

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post #1 of 5 (permalink) Old 03-20-2007, 11:57 PM Thread Starter
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Electric supercharger

My cousin bought a crappy electric supercharger the other day, and I must say it looks like a piece of crap. There is no way these things can work, right?
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post #2 of 5 (permalink) Old 03-21-2007, 12:58 AM
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post #3 of 5 (permalink) Old 03-21-2007, 05:29 AM
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Most of them are just inexpensive bilge blowers for boats. They are not designed for or capable of producing any kind of pressure. They'll move a lot of air with very little pressure difference between the inlet and outlet. Once you put some restriction on either side, they don't move any air. To be a supercharger, it would have to be able to push more air into the engine than the engine wants to take. That means it would have to generate significant pressure -- at least a few PSI. Electric superchargers that you buy on ebay for $50 or whatever are nothing but a scam.
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post #4 of 5 (permalink) Old 03-26-2007, 02:47 AM
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Electric Fan

Well how fast would they have to turn and at what pitch to get a noticable amount of pressue to create any extra Horse Power or Torque?

I agree you get what you pay for but its no different when all those companies came out with that venturi thing for the intake and Chevy built Vortec heads to do the same kind of thing and it worked.

Rather than discount it do some trials, what psi to get any boost? Any performance (no matter how small). How much power does it rob being electrical and constact draw off the system. Measure the CFM of output and put a bag wit small holes in it on the output and test the pressure built for boost. Who knows it may just work, stranger things have happened.
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post #5 of 5 (permalink) Old 03-26-2007, 07:11 AM
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