I had a go at building a valveless pulse jet engine - something I always wanted to do. It runs on small gas canisters at the moment, but I hope to build a liquid fuel system for it sometime.
EDIT: Part 2 now available here: [ Ссылка ]
Part 2a DIY Acetylene is here: [ Ссылка ]
![](https://s2.save4k.ru/pic/Gg45-ojYmQE/maxresdefault.jpg)