Supercharged Achates 2-stroke features two horizontally opposed pistons per cylinder and two crankshafts.
It’s been a torrid 18 months for Achates Power, the upstart engine developer’s top executive says. Although the company has been around since 2004 trying to perfect its modern opposed-piston 2-stroke engine and drum up interest from potential partners around the world, it still can’t point to a production version of the concept. But it’s getting close, CEO David M. Johnson promises. “It’s almost startling how much progress we’ve made over the last ...
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