So that's $250 for the welder and an extra $500 for a new pipe because I have blown a huge hole in it. I'd rather cut out the middle man and just give some money to someone with real skills. Thanks for the offer all the same.
Still looking by the way. Any bike shops in Brisbane that seem to be sympathetic to older bikes? I suspect that the bigger shops only manage repairs that involve plugging their computer analyser into a bikes USB port.