Rat Bikes! Pub Bikes Beaters! Frankenbikes!

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.

Damn you sir for introducing me to that site shakes fist defiantly at the sky, I have a distinct impression that a lot of money will be being taken from my bank account and being deposited in theirs in the not to distant future!