Higher Power-To-weight Ratio Higher power-to-weight ratio of the birotary engine comes both from significant increase of the power per unit of volume and weight reduction, primarily from the following three design features: High volumetric efficiency enabled by large intake ports Compared with traditional four-stroke engines the birotary engine’s intake and exhaust ports have significantly larger … Pokračování textu Výhody Birotačního motoru v porovnání s běžnými čtyřdobými motory