still waitin on mr fertilzer to insult me again or mr gabster that is. where you at mr shop teacher.send me two beer cans and i'll weld e'm together for ya and i'll cut the ends off you can listen to your self that is if you gotta string. just kiddin were all on here to help each other . but i will weld 2 beer cans together just for show purposes if ya want me to.lets go drive our old iron. and ya got get pretty far up in the air for gravity to actually show any effect i worked on high rises for years the load line indicator in the crane on a 20,000 lb column still read the same at 400 ft up in the sky adding the wt of line to the load on top of the wt of the load.