Abstract: Small-size two-stroke internal combustion engines are mostly employed as single-mode power sources. This characteristic makes it possible to improve fuel efficiency by modifying of their ...

Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components.

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start this engine and took some time to fully complete it. #shorts #diy #asmr #re ...