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
Comparison of ISFC (@42.9 MJ/kg) (4000 RPM) between 250cc Pinnacle and 200cc poppet valve engine. Net indicated efficiency of the Pinnacle Opposed-Piston engine, CR = 15:1, 87 Octane. Net indicated efficiency of the Pinnacle Opposed-Piston engine, CR = 15:1, 87 Octane. Pinnacle Engines’ 4-stroke opposed-piston engine.
304 
Let's personalize your content