Pitiful as they are, they are successful welds and done along time ago unless it has been sitting exposed to the elements for a number of years. Don't misunderstand me, i have a huge TIG machine and know how to use it, those are horrible looking but they are still stuck together. I have seen more nasty looking welds hold than i have real pretty looking tig welds fail - if you know what i mean. It might look like a bunch of grapes on the outside but if they have penetration on the inside then it'll hold - although there doesn't look like much penetration either. It had to have something going for it or it've crashed years ago.