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I needed to get in the shed today and shut the door with the radio on. i picked up some post and rail fencing Christmas eve so i thought i would cut up the rails today that had been stored in the van. heres a photo, I'll do the posts tomorrow

We had a bit of snow today, gave me an excuse to get the Mayfield out and stretch its legs

I can only agree with everyone on here that any application of heat by flame is a 'No No' with regard to the risks. Tank Dent is sorted I believe, by replacement . I would look to use a good Metal Repair Epoxy and 'Dam' the inside wall edge of the Lip with a piece of nylon or shaped Beeswax to which the Epoxy will not adhere. The bonding faces should only need a clean with a Dremel type drill with a Burr Tool to rough it up- Thickness of the Lip look's only about 3/32" , if you have a small enough drill Bit, then small indentations at either end and at an angle shown should be more than is required to provide a Key/anchor for the resin- Difficult to say how the damage was caused, but I'm sure it won't reoccur in your possession. Metal Repair Epoxys are very good (not the 5 minute setting ones) and I've even machined them with very good results. Regards.

Happy birthday matey, have a good day.

This is the FINAL update Norm, not doing anymore to it. It works fine as it is. !!!.

Thank you..

Well work has progressed very steadily of this project. Checking the rest of the machine over I found the frame was twisted (not a big issue really) but the wheels were both rotten where the machine had presumably been left on wet ground for a long period and the axle was also badly corroded. Given the missing engine parts as well I was fortunate enough to come across another machine fairly local and cheap enough to take a punt on. This machine is in much better condition frame-wise, it has the hand control and cable, a decent set of the double blades and also a totally worn out engine! Valves flopping in their guides like the proverbial p**** in a bucket, almost a 1/4" of endfloat on the crank, big end rattling around but it does have the manifold and carb/aircleaner and a better fuel tank so the plan is to make one good machine from the pair. I also bought a rotary mower attatchment as well, that needs a full restoration of course! The other frame looks to be a good candidate to form the basis of a trolley for moving my argon cylinder around, nothing wasted here! The tool head from the original machine is all finished now, just some washers required for the filler and drain plugs; The later machine, now in pieces; Pete.

I'm neither a welder nor a metallurgist but I'm under the impression that magnesium (or may be not a particular alloy of) is flammable so how much heat can be applied? Also can aluminium and magnesium alloy be mixed? To explain my thoughts on magnesium being flammable, many years ago the UK made Ferguson tractors had a magnesium alloy gearbox housing and if one of those tractors was unfortunate to be in a barn fire the result would be a front and a back and a pile of gear wheels - the gearbox casing being entirely vapourised.

I would be a bit carefull there I remember heating a magnesium wheel up back in the 80s and it caught light and we could not put it out it was a bit like those lithium battery’s you get now when they ignite they just burn and burn