there’s more than enough info on his site to try and recreate some of his experiments, but perhaps you should start here instead: How to Design, Build and Test Small Liquid-Fuel Rocket Engines.
A rocket stove offers a practical way to concentrate fire’s heat in one direction and reduce fuel consumption. Whether you need to purify water, cook food, or simply stay warm, this build is one ...
A rocket stove works by having such a strong draft created by the heat rising up the chimney that the flames can’t crawl up the fuel and burn in the open air, creating a controlled burn zone.
Ukraine conducted a strike with missiles and drones on one of Russia's oil refineries in Rostov Oblast last night, having hit the chemical plant before.