Some respondents seem to be offended by my straying from the traditional, as though I'm something of a heretic. I assure the nay-sayers who decry my postings, that I'm not recommending anyone abandon traditional methods. My offerings are descriptions of how I have done it & how it can be done if one chooses simplicity. Methods I post are those I used in mostly pre-percussion gun restoration for decades, for my few clients who were/are major collectors & dealers. I have restored many pieces of historical import, not the least of which was the fowling piece of Richard Varick, an aide to Washington. I restored barrel length, reconvert to flint, etc. It was then for years on display in Fraunces Tavern in NY.
I have made several locks from scratch by as near as I can get, traditional methods. My restoration returns the piece to its 'as used' condition, not to like new as commonly seen in more modern arms. Shortcuts such as welding in making springs were/are an expedient in favor of producing a functional product with least time & effort.
Needed a tap of 24 tpi but of odd diameter. Seeking info from our Engineering Manager at Pan Am whom I knew to be a hands-on type with a home shop, he offered an address. Prices were astronomical so I proceeded to make one. Showing it to Engrg Mgr, he had questions of how. I turned it of drill rod on my lathe, filed in flutes and gave it some relief, hardened & tempered it. Flabbergasted he asked how I got correct relief angle, face angle, etc. I told him I didn't bother with 'correct', I just used common sense. He said if if worked there's no argument against results, considering its purpose. ---- Which makes me wonder how people figured out angles back in the day.
Probably not off-point to remind that most of the discoveries & advances in history have been from pure necessity, seeking a better/different way, exceeding accepted limits & some by being alert for collateral discovery. By these methods I solved a few company problems, which came to be adopted in the airline industry.
And for sure, to the point, I am writing as one "been there, done that" mostly to those who have limited equipment & knowledge like when I first wanted to get serious about working on old guns.
Finally, I'm envious of those knowledgeable about metallurgy & those who have the skills and resources for forging, milling, etc. Further is my appreciation of info offered concerning this subject & my appreciation of
those who respond in support of my postings.