Question about 1998 Chevrolet Cavalier

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Running a 650 watt/ 110 Volt vac motor on car batt

I tried to run the 650 watt / 110 V electric motor of handy vac on car batt but didnt suceed as it produced very low rpm.

can someone solve my problem ?

should i modify the motor ? it has an armature that i cant change.

i disconnected the outer core electromagnet wires and just connected the two carbon bush wires with car batt and the motor ran, pl note that that the coil on both sides were disconnected and 2 copper wire windings with 4 open ends were hanging in air without any connection anywhere .. this was surprising as the core wasnt magnetised at all without these wires being connected to the power supply.

anyways my question is what modification can i do to run this small vac motor to run at high speeds on car batt... like it runs on a 110 v power supply say about 6000 rpm to 10000 rpm.

i cant use an inverter as it will draw 50 amps minimum at 12 V to generate 110 V / 650 watts power.

so tell me some other solution please ????

my goal is to create a pressurised air for the intake of the car.. maybe like an electric supercharger..

this helps in improving the low end power in city drive of stop go stop go and improves fuel econmy by burning fuel completely as well...

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  • fitsandy Sep 13, 2008

    Thanks for the quick answers, how is this one :



    There is this engineering company called ITT Corporation ITT Corporation , which is manufacturing inline blowers.

    Can this double up as an electric super charger ?

    Specifications::
    Ducting 3 inch/ 76 mm
    Voltage 13.6 Vdc
    Open Flow 135 CFM
    Amp Draw 2.9 amp
    Fuse Size 4 amp

    Has anyone thought of using this ?? Costs only 37 $ without VAT and shipping.

    At 6000 rpm 86 bhp 1.3 litre engine needs 110 CFM whereas this thing claims to create 135 CFM

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Well, here's a few things that might be handy for you to know.

First, you're messing with two different beasts, AC vs. DC which can be rather comical at times with power draw and amperage.

Second; that motor isn't going to like a 12v feed no matter how many amps you push into it.

Now as to the car's aspect of it...

Your vac isn't going to push enough air pressure to make a valuable change in power/fuel economy to really be "worth" the time. You'd be much better off finding a 12v DC style high rpm fan and building a simple inline mount and physically blow the air into the plenum. This would create just as high pressurization as the vacuum motor would. Remember, that motor is designed to pull in from a smaller space.

A good idea for you is to head down to your local radio shack and see if they can find you one of those 120mm rat cage blowers that run 12v DC and run at over 200cfm. This would cause a major increase in flow if you could properly seal the intake after installing the fan.

I've actually seen the electric superchargers designed for the VW beetle and jetta, and I'll tell you this. They don't make much of a difference at all. Almost un-noticable gain with over 2 amps of power draw at low speed settings.

If you're wanting more power, I say toss a cone air filter and a free flow exaust on the car. You'll have an instant gain in horsepwoer and speed.

I hope this helps in some way. I know that's not the answer you were looking for, but maybe this will help you with the idea. :) Let me know how it turns out!

Posted on Sep 13, 2008

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If you are planning a pressure intake you may consider the heat generated by this motor may increase the intake air temp to an undesirable level unless you have plans to inter cool this as well, either way i believe (this is only my opinion not to be rude) that this will not be capable of generating any substantial amount of boost and will be ineffective, you may consider a cheap turbocharger upgrade by using junk yard and aftermarket parts, this vacuum will need to produce at least 4-5psi for any potential gain and will also need some type of waste gate for idle and shift points. you will effectively be able to do this with a homemade garret t25 turbo setup for under $600 and this should give you 9-15 psi of boost pressure and should be inter-cooled as well for maximum gains,as for the vacuum you would be better off with a cold air style intake rather than a heat generating motor with no real pressure outputs and it will run you alternator at full duty cycle effectively reducing its life and putting a strain on your electrical system this is not to say you are not smart or to challenge your ideas but if power was this easy to come buy you would have seen these electric setups on production cars years ago, again good luck and turbos are the best route for the power vs resulting power loss ratio, good luck also you can buy these "electric turbos" on ebay and would not recommend them -jeff please rate

Posted on Sep 13, 2008

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