The site is dedicated to his pursuit of liquid fueled rocket engine building. It’s a great project log and he has finally come to the point where he will be testing his first flight vehicle soon.

So today I'll be making test tube liquid rockets. I first need a really strong oxidizer and I'm using pure nitric acid. Now all I need to do is all a fuel to it, and I'm using something called ...

and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before, so that’s what this roundup evolved into. First up is [Robert Watzlavick], who has been ...

But the twentieth-century saw a technological explosion of new rocket-propulsion systems, using both solid and liquid propellants. Rocket-powered vehicles were developed for two primary purposes: ...