Analysis: Mazda’s 13B-MSP Renesis Rotary Engine and Its Evolution to Mazda’s New 8C Unit

Mazda’s new rotary engine made its appearance in the range-extender Mazda MX-30 PHEV in 2023 and is due in the US shortly. It ...
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I built a brand-new rotary valve engine, and it works!

Many of you have seen the process of making this rotary valve engine with a different intake and exhaust system and how I ...
New Atlas

H2Starfire engine: A new and insanely efficient type of rotary

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...
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Rotary valve engine built from scratch! It works

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start ...