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I'm using an old 16" electric fan off my 89 Camaro as a vent fan for a 7'x3'x3' media blasting booth I've built. I've got it wired to 12v with a switch and relay just like it would be in the car. But I want to be able to control the fan speed based on the type of media I am using. I have no idea about the specs on the motor except that it's 12V, and it won't work on 6V (tried it on the battery charger, didn't spin). I thought maybe a potentiometer, but I'm not sure if I need to adjust the ohms or the watts. Any ideas? Someone has said to use a solid state controller, but I have no idea what it is. I'm looking for the cheapest way.
The switch I'm using right now is actually a 115V $.99 from Home Depot. you think I could try using one of those fan dimmer switches? I know they make them for lights, but dont they make them for fans as well?
The switch I'm using right now is actually a 115V $.99 from Home Depot. you think I could try using one of those fan dimmer switches? I know they make them for lights, but dont they make them for fans as well?