Engine Designs & Classifications Engines can be classified by… their design type of fuel used number of cylinders arrangement of the cylinders
Engine Design Most automotive engines are piston driven…
Others are not…
Type of Fuel Used Gasoline Diesel CNG, LPG
Number of Cylinders Gasoline & diesel engines can have… 2 cylinders - Citroen 3 cylinders – Chevy Sprint 4 cylinders 5 cylinders - Audi 6 cylinders 8 cylinders
10 cylinders – Dodge Viper, Ford Pickups 12 cylinders – Jaguar, Ferrari 16 cylinders - Cadillac
Cylinder Arrangement Cylinders can be arranged in-line…
Cylinder Arrangement Cylinders can be arranged in a “V” formation
Cylinder Arrangement Cylinders can be arranged horizontally Subaru & Porsche 911 (aka: opposed or boxer engine)
Cylinder Arrangement Cylinders can be arranged in a “W” formation (Volkswagen)
Cylinder Arrangement Some airplane engines have their cylinders arranged radially…
Valve Arrangements Many new engines use more than 2 valves per cylinder…