LiquidPiston has invented a new rotary type engine that is piston-less, valve-less, and weighs only four pounds. They published a proof of concept video for the XMv3 engine, shown powering a small go-kart, that builds evidence that the High Efficiency Hybrid Cycle (HEHC) engine could be the compact, energy-efficient engine of the future. … [Read more...]
LiquidPiston's 4-lb Rotary Engine Shows What it Can Do
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