MotorTrend on MSN6mon
Porsche's Six-Stroke Engine Could Kill Four-Stroke Designs
The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just ...
Cycle News11d
2025 GasGas MC 300 Review
The GasGas MC 300 is very similar to the KTM and Husqvarna 300s but without the bling and the bigger price tag.
Princeton University5y
Four Stroke Engine
In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder. The sequence shown on the next page represents this behavior for a Mitsubishi direct ...
Hackaday4y
Fridge Compressor Turned Into Capable Little Four-Stroke Engine
Along with a TIG welder and mechanical ingenuity bordering on genius-level, all of which come to bear on this fridge compressor to four-stroke engine build. The video posted by [Let’s Learn ...
Evo6mon
Porsche patents cleaner, more powerful six-stroke engine design
Porsche has patented a revolutionary six-stroke internal combustion system. Contrast to all modern combustion engines that run the four-stroke Otto cycle that typically features one compression ...