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I just upgraded my 'machine shop' (see new avatar picture ;D) to a power drill plus drill press attachment. The drill is an old Black and Decker 370W two speed (900/2400RPM), and I noticed straight away that the motor produces some blue flashes inside the drill when it runs - presumably the...

Hi all, Great forum! I don't have any workshop machines. I'm just starting to learn about this fascinating world, and maybe I will get myself set up with a mini-lathe and -mill one day :P This could easily become a lifetime hobby! So far I'm building a Stirling engine using tin cans and hand...

Hi everyone, a newbie question about working with aluminium. I'm building my first stirling engine with hand tools and am doing a lot of drilling, sawing and filing of aluminium. I'm wondering how important it is to avoid breathing the dust? I'm wearing a cheapo face mask most of the time, and...