Spitting TIG weld makes me spittin' mad

[Speed Raycer]

Any chance someone else used your tungsten only grinding wheel on something? Same thing happened to me. The day before it was working fine and then I had the same problem after I contaminated the tip. I couldn't get a decent weld out of it no matter what I did. Finally I went up and bought some of that sharpening chemical and it worked fine. I think that my pop stopped by the shop and used the grinder on me.