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Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

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Combining the high compression ratio with the Atkinson cycle, the engineering team demonstrated a 7.4% As part of the study, the team also demonstrated switching durability of the dual piston mechanism of more than one million cycles. Mpa (8 bar) and the oil flow rate is 3L/min. Kadota et al. Ishikawa, K. Yamamoto, M.

Honda 150