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I used to drill quite a few small holes while still restoring clocks and watches. Fortunately most of the time it was in the end of a shaft / arbor, so the work was spinning in the lathe and the drill bit was hand held in a pin vise and allowed to advance into the work. When I had to do a...

I've had similar family experiences to those of Lloyd-ss with my mother keeping everything, fervently believing that anything old or that an ancestor owned must have great value. We have found out that the six moving barrels packed with "antique valuable crystal and silver" was mostly just run...

I'm still seeking that photo perfect spiffy shop. I don't think they actually work, they are just an artists conception, rather like the picture on the box of frozen dinner. After three + years of building repair and restoration at our retirement place I'm getting to play in rather than work...

I've used the coil and frame from fan motors such as those in bathroom fans to build demagnetizers. Hook up a line cord, insulate the connections, and only turn on for 30 seconds to a minute tops. The frame and coil will heat up pretty quickly. Just turn on, pass the item to demag into the...

I'm with SteamChEng regarding the auctions. A few years ago there were huge amounts of stuff in boxes, all sorts interesting conglomerations in boxes, and some nice larger stuff as well. At least the consignment area is still in operation as before, where there are some deals to had most...

It's also not nice to come into a group with no knowledge of the players and dump a puddle of self righteous virtue signalling bs with your first post.

I'm planning to get there, at least for Friday. Missed last year myself, though I've made it to 22 of the first 25 :) Cheers, Stan

That is one heck of a collection and a lot of building and fiddling! Cheers, Stan

I sort of liked the "beauty doesn't make it fun better" phrase! A bit stilted perhaps, but the sort of thing that you read, pause, then smile. Well done, Stan

Quickie answer: For a quick test, if you can slice off a small piece of the suspect material and heat it to a nice glowing red that a magnet won't stick to then let cool in still air. D2 tends to need an inert atmosphere for pro grade heat treat but don't sweat it for this. Once cool, if a...

Greetings, At least some of the site is accessible via the wayback machine on internet archive: https://web.archive.org/web/20220121150031/http://john-tom.com/ Cheers, Stan

The likelihood of all those odds and ends, including some bits that are on the rare end of the spectrum, all being in the same place (Kens shop), at the same time, are completely improbable. Just some random added energy from a passing truck / lorry or a large horse fly introduced a slight...

Excellent. Doing it from scratch is quite an accomplishment, I know some of the castings were tough. This isn't one of the "easy shapes to carve" models. Now I'm getting the urge to look over the Myers castings I've had for a few years and maybe make a start. Cheers, Stan

Thank you kindly! Never having played with the mechanism you used I can say there is no way I would have figured it out on my own. Very clever gizmo you created there! I like your approach to doing things for the heck of it, it's a lot more fun to do something just because it pleases you that...

Not a clue although no doubt once explained I'll feel like a dork for not seeing it immediately! :-) Cheers, Stan

According to Lovejoy, this style coupler is only intended for use where alignment is within 0.5 degrees or better. In situations where the builder has decided they look sort of like universal joints and then tried to use them as such they will fail quickly. With any significant misalignment...

The black spiders are BunaN in Lovejoy couplings, with a Shor hardness of around 80A. The Urethane spiders have a Shor hardness of 55N. Here's a link to some TPU filaments rated in order by hardness. If you are after the 55D+ hardness of urethane spiders Crystal Flex is a 65D, but a 1/2 kg...

Greetings, Real short reply: 5 degree clearance front and side. Top rake depends on material. Zero degrees for brass, five to seven degrees for most steels, if you do enough to make it worth your time, 15 degrees for most aluminums. Grinding direction should be perpendicular to the cutting...

Greetings, Obviously CNC is not a requirement for making any of the classic model engineering projects, I tend to use it mostly for complex shapes that would make my shoulders hurt for days if I had to saw them out and file to shape, or long monotonous pain in the butt jobs. If you have CNC...

Greetings, 25 words or less? I'll try: Works with your OS and motion controller. Handles STL and DXF at a minimum. Simple tool tables. Can do 2D 2.5D and 3D toolpaths. 24 words, but at least a start. Here's a bit more, as always :-) Your controller software will not take in any drawing...