Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional
Green Car Congress
APRIL 24, 2012
The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. The company has recently completed a 110cc production-intent prototype, which it began testing in February. There is no ISFC improvement at high load. Pinnacle Engines’ 4-stroke opposed-piston engine. Click to enlarge.
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