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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by sergiosparks[/i] [br] Message Preview - Spot Welding I got this 800 watt Transformer from a microwave oven and sawed of its secondary high voltage windings.Tied one turn no.22 to it and got 1.1v ac,made the turns 2 and got 2.3v ac.,I'm still looking for a really heavy gauge copper wire.800W/2.3V =347.8 Amperes wow but i don't know if that would be enough to melt say no.14 AWG to a thin sheet of metal?I do not have any idea about resistance welding i mean how many volts,amperes,and dwell time.Does somebody know of a 'site' or idea ?it would be appreciated..thanks Close Window [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.