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MIG welding is fairly easy and not too expensive. I have this - http://www.machinemart.co.uk/shop/product/details/100e-mig-welder which is fine for up to 3mm thick steel. You then have to add the cost of a mask and gloves, auto darkening makes it much easier. Cheap masks are about £50.
MIG is fine if you're just going to be chopping up old 4130 frames (reynolds 501). If you want to go better and use stuff like 531 then you want brazing gear. It demands bigger gas bottles and the torch, hoses and regulators add up. Some people are saying that propane is a dirty gas to braze with when comparing to acetylene but it's more a case of different technique. Acetylene is pretty much unavailable in the Uk atm, there's news of users needing licences which is going to stop DIY users unless they have plenty of cash to spare.For bikes - MIG<Braze<TIG
I would ideally love to learn to braze, but not knowing the first thing about gas ratios and safe working temps for steel and figuring that it was probably something you needed a license to get the gas for, I hadn't gone any further.
Might be worth looking into the propane though.
Mainly I'd like to be at least shown the basics first though and then left to experiment, especially as I have the space, time, and mechanical aptitude.
Think there's a fair few people who're in same situation as me!
But if there was someone who would be willing to give a kinda intro lesson to brazing, I'd be well up for reimbursing them (hint hint). -
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Sorry I just had to!
