Delivers on the title, well done. Half the time on HN I am disappointed to find that I have mistakenly clicked on an article about some new software framework that has co-opted common words to make me think I’m about to read something more interesting.
Integza has a Youtube channel creating several types of rocket engines.<p>eg: <a href="https://www.youtube.com/watch?v=GzHIrAapiFg" rel="nofollow">https://www.youtube.com/watch?v=GzHIrAapiFg</a>