Comparison, Downsizing, Fuel Economy and Motorcycles

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Comparison

Downsizing

Fuel Economy

Motorcycles

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 Pinnacle Engines’ 110cc production-intent prototype packaged for a motorcycle application. Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline. For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. Source: Pinnacle.

Light

Light Fuel Economy Engine Fuel

Pinnacle Engine pre-production prototype opposed piston engine shows about 27% fuel consumption improvement across different scooter cycles compared to conventional engine

Green Car Congress

OCTOBER 25, 2012

Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. FEV performed engine mappings in a dynamometer test cell to evaluate the fuel economy of Pinnacle’s TP90 scooter engine compared to a benchmark engine (N15) from Pinnacle’s Asian OEM partner. Click to enlarge.

Engine

Engine Fuel Fuel Economy Production

EV Driven

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

Pinnacle Engine pre-production prototype opposed piston engine shows about 27% fuel consumption improvement across different scooter cycles compared to conventional engine

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