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How Art Became Science In Machining

Machining is one of those fascinating fields that bridges the pre-scientific and scientific eras. As such, it has gone from a discipline full of home-spun acquired wisdom and crusty old superstitions...

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Project Egress: A Bracket And A Bell Crank For The Latches

Put yourself in [This Old Tony]’s shoes: you get an email out of the blue asking you to take part in making a replica of a 50-year-old spacecraft. Would you believe it? He didn’t, at least not at...

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Finely Machined Valve Controls Miniature RC Hydraulics

Hydraulic components are the industrial power transmission version of LEGO. Pumps, cylinders, valves – pretty much everything is standardized, and fitting out a working system is a matter of picking...

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Rideable Tank Tread: It’s a Monotrack Motorcycle That Begs You To Stop Very...

There will always be those of us who yearn for an iron steed and the wind through your hair. (Or over your helmet, if you value the contents of your skull.) If having fun and turning heads is more...

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Hackaday Links: September 22, 2019

Of all the stories we’d expect to hit our little corner of the world, we never thought that the seedy doings of a now-deceased accused pedophile billionaire would have impacted the intellectual home of...

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DIY Tiny Dovetail Cube Needs DIY Dovetail Cutter

Dovetail cutter, made from a 5 mm drill rod. There’s a trinket called a dovetail cube, and [mitxela] thought it would make a fine birthday present. As you can see from the image, he was successful in...

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How To Make an Electric Scooter Chain Sprocket With Nothing But Hand Tools

Sometimes, mechanical parts can be supremely expensive, or totally unavailable. In those cases, there’s just one option — make it yourself. It was this very situation in which I found myself. My...

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Restoring a Rusty Rebar Cutter

We’ve all probably come across hunks of junk that used to be tools, long-neglected and chemically welded into a useless mass of solid rust. Such items are available for a pittance at the local flea...

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DIY Electrolysis Tank: Removing Rust While You Sleep

Anyone who’s done a bit of metalworking will know how quickly your stockpile will pick up a coating of rust with even just a bit of humidity. While welding requires only a bit of wire brushing at the...

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Are You Getting Your Money’s Worth from Threaded Inserts?

Have you ever wondered whether it’s worth the time and expense to install threaded inserts into your 3D-printed projects? [Stefan] from CNC Kitchen did, and decided to answer the question once and for...

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DIY Electric Roller Bender Can Handle The Thick(er) Stuff

Every serious metal worker will end up getting themself a roller bender at some point, but if you’re as dedicated as [Meanwhile in the Garage], you might just start building the things yourself. His...

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[Ben Krasnow]’s Take on DIY Air Bearings

We’ve got to admit that watching [Ben Krasnow]’s new video on air bearings is tough. We found our eyes constantly checking the spherical air bearing in the foreground, which for the first eight minutes...

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Bolts, Brass, and Machining Chops Make Up This Tiny Combination Safe

Another day, another video that seriously makes us doubt whether eschewing the purchase of a lathe in favor of feeding the family is a value proposition. This time, [Maker B] shows us what the queen of...

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Measuring Sharpie Thickness… The Ink Itself, Not the Pen!

How we missed this one from a few years ago is unknown, but we’re glad to catch up with it now. Have you ever needed to measure how thick the ink in a Sharpie line is? Of course you haven’t. But if you...

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Linux in the Machine Shop Hack Chat

Join us on Wednesday, July 8 at noon Pacific for the Linux in the Machine Shop Hack Chat with Andy Pugh! From the time that numeric control started making inroads into machine shops in the middle of...

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A Special Baseball Bat With Explosive Hitting Power

To make up for some lacking athletic ability, [Shane Wighton] of [Stuff Made Here] created a custom baseball bat with an explosive sweet spot, that almost guarantees a home run. Inside a custom...

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A Bit of DIY Helps Cut Straight and Happy Threads

A cheap and effective ratcheting tap. Need to cut threads into a hole? A tool called a tap is what you need, and a hand-operated one like the one shown here to the side is both economical and...

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Teaching an Old Lathe New Tricks With a Programmable Power Feed

Ask anybody whose spent time standing in front of a mill or lathe and they’ll tell you that some operations can get tedious. When you need to turn down a stainless rod by 1/4″ in 0.030″ increments, you...

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Homemade Gear Cutting Indexer Blends Art with Engineering

Ordinarily, when we need gears, we pop open a McMaster catalog or head to the KHK website. Some of the more adventurous may even laser cut or 3D print them. But what about machining them yourself? [Uri...

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What If You Could Design Your Own Aluminum Hand?

[Ian Davis] has decided to start over on his hand. [Ian] is missing four fingers on his left hand and has for a year now been showcasing DIY prosthetics on his YouTube channel. Back in July, we covered...

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