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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Stupid Electronics question
Ok...Im way way out of practice on my basic electronics...blush
I found a 12vt dc diaphragm pump of the same type thats in the tig coolant unit I was given. (Lincoln Magnum) The old pump and all the gizmos were fed 24vt ac. I did find a tiny full wave rectifier inside the pump, which apparently only had bad brushes. Unfortunately..I didnt get all the parts to the motor, else Id simply stick in a new set of brushes and voila.......sigh The new pump is 12vdc at 7 amps. The rectifier is no biggie. What is the best way to drop the 24vac down to 12v? Dropping resistor? Ok....blush..what value and wattage do I use? (sounds of derisive laughter in the backround...sigh) DC-DC converter? Ok..where and how much? Thanks... Gunner "If I'm going to reach out to the the Democrats then I need a third hand.There's no way I'm letting go of my wallet or my gun while they're around." "Democrat. In the dictionary it's right after demobilize and right before demode` (out of fashion). -Buddy Jordan 2001 |
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