Dual 2stroke model engine
Unique 2-stroke model engine: 2-stroke combustion process on both sides of a single graphite piston in a glass cylinder. Design Jan Ridders; The Netherlands
![](https://wykop.pl/cdn/c3397992/bratpitt_Azxo9CNeDv,q52.jpg)
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Unique 2-stroke model engine: 2-stroke combustion process on both sides of a single graphite piston in a glass cylinder. Design Jan Ridders; The Netherlands
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