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Have you thought about what that tolerance means to the thing you’re making? Unless I’m misunderstanding how a router plane is used, that difference could translate into a difference in cut depth either side of a rebate of something like 0.005mm, what are you making where that’s a problem?

If he was in the USAF 80 years ago, he’d be the one laying armouring over the wingtips of the aircraft. Old tools being better than news ones comes up about once a week here, has done for the last decade or so, it’s survivorship bias coupled with an inability to account for inflation. My old...

I’m a bit confused what you’re trying to make, but it sounds like some form of pressure vessel? You can machine PMMA just as well as PET, neither is fabulous but they are often clear which others are not. So POM is lovely and slippery, but usually white or black. PA is tough but also usually...

But everyone knows cast iron is best, none of that cheap pressed steel or aluminium that modern cars are made from… this sounds strangely familiar

1-With a pole lathe, has the advantage that when you hurt yourself the power shuts off. 2-They had accidents and frequently got injured

Bearing guided sander drum and a template if you have one. Ordinary sander drum and caution if you don’t.

So one untreated piece of iron, and one with a corrosion inhibitor, and one was better? You gotta try paint, it’s freaking awesome!

Wear any gloves you want, and use your nose on the touch screen. Among other tricks I’ve learned from younger people

Sounds like the hole in the brick is too large. Ideally tap the screw into the plug into the wall before tightening it, by which point it should be biting in ok

Agreed, many marketing claims are weird if you’ve done a bit of science at school, reminds me of the snake oil claims of a couple of centuries ago, it was mostly mineral oil, that’s good for stopping rust too

I’d say they learn far faster, due to the access to information that didn’t exist 30-years ago, but that’s an unpopular opinion…

Purpleheart in a box stays purple, we’ve had some for years as once cut… it smells of dog poo

That might work, you’d be removing any alignment you had and make the gearbox do that for you, plus the cantilever load. Maybe a local fabricator could do it for you?

It’s not just the gearbox you’d need, you’d have to anchor that gearbox to the lathe, doesn’t sound practical, but nice alternative thinking If you’re only doing it once, can you jury-rig a cordless drill to drive the spindle which will be way slower? Might struggle on power but if you’re slow...

Ring centres is what you want, actually useful for your own turnings too

Should the original not be about 1.5% larger than the brass copies if that’s what’s happened

Using a dowel with a slot in and a pair of gloves

It’s always interesting who has what old tools, we have a mixture of two sides of the family’s old tools, it’s clear which side had the money, those are the tools that are still working a century later. My recommendation is don’t keep things that aren’t immediately or going to very soon be...

Nice, I hope that doesn’t split

If you want a tool for a single job then it’s probably not the most cost effective option, but if you want a go-to tool for the next decade, it’s maybe just the thing