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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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Inverters -- diy?
Awl --
In discussing using inverters+car alternator as a backup power supply, and observing some hefty cobra 5,000 W inverters ($310, google shopping), I was wondering if these can be made even heftier with stock parts? I wonder if these large ratings in cobra units aren't like Sears hp.... It seems like the bottleneck in this strategy as a house backup power supply is the car alternator. 5,000 W would require about a 500 Amp alternator! But mebbe a regular car alternator + a bank of batteries could handle all the peak loads/draws, as long as they didn't last forever. Anyone here ever do this? Gensets, even nat gas ones, seem to be a real pita, and the noise is considerable, unless you get real pricey. -- EA |
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