When he remembered a long-forgotten request to build a working rocket launcher for one of his friend’s Warhammer 40K models — well — the result was inevitably awesome.

If you haven’t built and launched water rockets with your kid, you’re missing out on an awesome project. With 10 bucks or so worth of parts, an air pu ...

In this video I show how to make a super simple propane bottle launcher, especially good for demonstrations of the basic physics of rocketry. I've used this launcher myself for kid's science ...

Model rocketry is an amusing hobby! Model rocket launcher circuit presented here is carefully designed to avoid accidental ignition, and is capable of delivering battery power to the igniter in an ...