The threaded front end of a Dremel allows you to design, print, and attach your own guards. We used a variety of rocket fin designs, and...

Experimental rocket motors are best developed using static motor tests. The following setup is called JENNA, a birdcage stand designed to...

These are a few old designs for small high power APCP rocket motors with a variety of thermal liner/grain casing materials. This post...

Angled bits are great for roughing out converging and diverging sections of graphite nozzles. These bits saved me a lot of time on the...

Common household items can be used to process hardware store chemicals into red fuming nitric acid. This acid is extremely helpful for...

We had a handful of broken bases so it was much cheaper to invest in making our own repair than sending each one back to the manufacturer...

Large painting stencils are easy to make with a printer, painters tape, and spray adhesive. Lay long strips of tape down the rocket,...

Keys can be functionally duplicated with a modeling clay mold and some 5 minute epoxy. This clamshell mold is 3D printed, hinged with...

I've been doing lost wax casting on the cheap for years with the following tools and relatively simple equipment. Most of my work has...

Inspired by the military's Mini Shrike Electronic Exploder, this is an early iteration of fire control box build with safety in mind....

Resin 3D printing is ideal for making strong, aerodynamic, and consistent rail buttons and launch lug mold templates. The buttons are...

Supersonic rocket flight demands a durable nose cone tip, we went for overkill and opted for Inconel. Straight angled cones are simple...

Simple and extremely reliable electronically activated matches for flight and ground operations. I separate E matches into two types:...

Simple and reliable black powder gas generator for cone ejection, stage separation or parachute deployment. This resin printed bulb is...

When just over a cubic foot of print volume just isn't enough, attach the longest v slot rails and lead screw you can find. We modified...

You can use spiralized 3D prints as disposable molds for making composite or plaster items like a vase. I was playing around with TALLY,...

We had a problematic diamond saw in my lab, it needed some board level repair and a gear replacement. Spare MOSFETs are easy to find but...

A simple and inexpensive tool to cut large graphite rocket nozzles. If you find yourself without or unable to use a large lathe or mill...

With some relatively simple supplies you can make your own beautiful engagement ring at home. The above is a version made with...

You can make decent quality lockpicks from the bristles that fall off normal street cleaner brushes. Turns out the brushes on street...