Machinery Focus: Re-thinking the engine with opposed-piston 2-stroke March 11, 2023 11:00 am The much loved Napier Deltic on display at the York Railway Museum The standard four-stroke engine has served humanity well and continues to do so, but it is not the only format available to engine designers; the opposed-piston two-stroke is now ripe… Continue reading The post Machinery Focus: Re-thinking the engine with opposed-piston 2-stroke appeared first on Achates Power .