Fresh hacks every day
[Lou's] latest tutorial details the process of turning an electric stapler into a coil gun. The stapler is the expensive part, but the rest is pretty simple. He used PVC pipe and a handful of fittings along with a few supplies you probably have kicking around your shop.
It’s surprising how perfect the Bostitch stapler (from which the parts … Read the rest
[Sam] sent in a coil gun revolver – a feature we’ve never seen on a coil gun build before. The gun is based on a cheap toy revolver and is powered by a 9 Volt battery connected to an “electrified fly swatter tennis racquet” instead of the usual disposable camera build.
The revolver mechanism isn’t perfect – [Sam] has to … Read the rest
Here at Hackaday, we’re all about repurposing old items you no longer use. Reader [Liquider] wrote in to share his latest creation, a coil gun built from an old Airsoft pistol.
He removed a handful of components from the pistol and installed a 800 uF/300V capacitor inside the grip. A small storage compartment was added under the barrel, which houses … Read the rest
[Daniel Eindhoven] put together this 11,344 Joule capacitor bank that he says would be perfect for weapons such as a rail gun, coil gun, or electrothermal-chemical gun. He machined a couple of aluminum plates to act as a positive and negative bus. The two are separated by a denuded sheet of PCB (making us wonder how he got … Read the rest
Some readers may remember [Paul] from his project Jak, the blackjack robot; but his interests have moved toward coil gun creation. Maggy, his latest weapon, may not be the prettiest of coil gun we’ve seen, or the most environmentally friendly, but does look to be promising. Featuring a triple stage, logic based accelerator instead of the typical … Read the rest
One of the best parts of building a coil gun is seeing just how fast you can get that slug to move through the air. [Daniel] built this speed meter to be able to see exactly that. It is comprised of two optical sensors, one at each end of a barrel. As the projectile passes them, its speed is calculated … Read the rest
TechEBlog has posted a few pictures of a student constructed coil gun. It’s bolt-action and includes a six round magazine. The gun only has a single stage to accelerate the projectile. While not as impressive as the portable coil pistol, it’s still more fun than most shop projects we’ve seen. You can find a video of the device … Read the rest
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