Newbie...I need help!!!

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I recently purchased a Lincoln Stick welder, I'm trying to learn on my own from reading anything I can get my hands on.. My first project is a little ambitious, I'm attempting to lengthen the frame on a motorcycle that's been in my garage for years. Sometimes I get beautiful looking welds by mistake, usually they look like there is to big of a weld. If I grind it smooth does that take away from the strength of the weld?? Also How do I know if I'm getting good penetration into the metal, I just don't want to be riding down the road and have all my welds crack.. Thanks for any help!!!
Reply:practice ALOT before you tackle a frame (or anything potentially dangerous!).remember a good looking weld doesnt = a good weld, and a bad looking weld CAN be a strong weld.practice until you know the difference, and dont forget that it could be sombody ELSE that you hurt/kill.get your hands on some scrap metal to practice on. the closer it is to the material youll be using the better practice youll be in when it comes time.then you can do the fun destructive testing! = Dtry try try to get some arc time with an experienced welder, there are a couple here on weldingweb that have been giving free classes. one east coast one west. the BEST thing you could do next to waiting to tackle a frame = Dhave fun
Reply:Holmes are you in Knoxville TN by chance? I know a guy there that goes by Holmes and has had a bike sitting around You only need to be 2% smarter than what you are working on.Lincoln pm140hacksawa big hammer