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Channel: btrettel's Nerf blog » Design
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How far in does a pipe fitting thread?

When drawing up homemade pneumatic Nerf guns in a CAD program, I used to wonder how deep a fitting would go in. Eventually I learned that technical drawings from McMaster-Carr and many other places...

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FANG1 problems and solutions

Back in summer 2010 I decided that I should return to the “projectile-pusher” approach I used in FANG1. I gave up on this approach far too easily. FANG1 worked, but was unreliable. When I started...

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Approximate expansion diameter of latex tubing

I previously wrote about how to estimate the expansion diameter of latex tubing, but I made no measurements to verify that the formula I suggested, where is the unexpanded inner diameter of the tube...

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boltsniper’s optimal barrel length formula

Whenever there is a thread about one of the holy grails of Nerf ballistics, an equation for the barrel length that maximizes performance, someone is bound to mention the results of some tests...

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Nerf Engineering notes

I’ve started organizing my writings and thoughts on Nerf ballistics into a set of notes (link corrected). Readers of my blog might be interested. For the moment my notes are very rough and incomplete....

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