Category Archives: metalwork

Grease Gun Hydroforms Custom Motorcycle Parts

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Never underestimate the power of an incompressible fluid at high pressure. Properly constrained and with a full understanding of the forces involved, hydraulic pressure can be harnessed to do some interesting things in the home shop, like hydroforming stainless steel into custom motorcycle parts.

From the look of [Clarence Elias]’s video below, it seems like he has a 100% custom motorcycle build going on in his shop. That means making every part, including the reflectors for the lights. While he certainly could have used a traditional approach, like beating sheet stainless with a planishing hammer or subjecting it to the …read more

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Beautiful Rocketeer Jetpack Replica Boasts Impressive Metalwork

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Fans of the Rocketeer comic book and movie franchise will be familiar with its hero’s 1930s-styled rocket backpack.  It’s an intricate construction of complex streamlined curves, that has inspired many recreations over the years.

Most Rocketeer jetpacks are made from plastic, foam, and other lightweight materials that will be familiar to cosplayers and costumers. But [David Guyton]’s one is different, he’s made it from sheet steel.

The attraction in his video is not so much the finished pack, though that is an impressive build. Instead it’s the workmanship, nay, the craftsmanship, as he documents every stage of the metalwork …read more

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Hacked Car Axle Yields Custom 90° Gearbox

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Need a sturdy angle gearbox to handle power transmission for your next big project? Why not harvest a rear axle from a car and make one yourself?

When you think about it, the axle of a rear-wheel drive vehicle is really just a couple of 90° gearboxes linked together internally, and a pretty sturdy assembly that’s readily available for free or on the cheap. [Donn DIY]’s need for a gearbox to run a mower lead him to a boneyard for the raw material. The video below shows some truly impressive work with that indispensable tool of hardware hackers, the angle …read more

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Chess Set From Car Parts

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Chess has been around for an awfully long time, automobiles less so. However, there’s no reason the two can’t be combined, like in this chess set fashioned from automotive components.

The project was made as a gift, and is the sort of thing that’s quite accessible for an interested maker to attempt at home. Parts used to build the set include valves, valve springs, spark plugs, castellated nuts and pipe fittings. As the parts don’t actually need to be in good working condition, a haul like this could likely easily be had for less than $50 from the local pull-it-yourself …read more

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DIY Barrel Rifling with 3D Printed Help

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[Jeff Rodriguez] has been busy testing a feasible DIY method for rifling a barrel and has found some success using salt water, a power supply, wire, and 3D printed parts to create the grooves of rifling without the need for any moving parts or cutting tools. Salt water flows between the barrel’s inside surface and a 3D-printed piece that holds wires in a precise pattern. A current flows between the barrel and the wires (which do not actually touch the inside of the barrel) and material is eroded away as a result. 10-15 minutes later there are some promising looking …read more

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DIY Roll Bender Keeps it Simple and Sturdy

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If you’ve ever tried to bend a metal pipe or bar over your knee, you’ll know that even lightweight stock requires quite a bit of force. And the force needs to be properly directed, lest the smooth bend you seek become a kink or a crease. When your hands and knees no longer fill the bill, try [MakeItExtreme]’s sturdy and simple roll bender.

As we watched the video below, we had a little déjà vu — hadn’t the [MakeItExtreme] crew built a roll bender for their shop before? Turns out they had, but in reviewing that video, we can see …read more

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New Lathe Day is Best Day

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As [Quinn Dunki] rightly points out, modern industrial civilization was probably conceived on the bed of a lathe. Turning is an essential step in building every machine tool, including lathes, and [Quinn] decided it was time to invite one into her shop. But she discovered a dearth of information to guide the lathe newbie through that first purchase, and thus was born the first installment in her series on choosing and using a new lathe.

As for the specifics of the purchase, [Quinn]’s article goes into some depth on the “old US iron” versus “new Asian manufacture” conundrum. Most of …read more

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