# data[].attributes.body
- one crankshaft above or below the cylinders
- can be liqiud-cooled or air-cooled
- better for streamline shape
- better visibility for the pilot
- with increase in engine size more problems come with engine cooling
- low and medium power engine

# data[].attributes.body
- two banks of cylinders
- one crankshaft between both banks of cylinders
- both banks of cylinders  are coordinated 180 degrees to each other
- low weight-to-horsepower ratio
- low vibration
- perfect for horizontal installation on the wings
- can be either liquid-cooled or aircooled
->the air-cooled version is used predominantly in aviation

# data[].attributes.body
- two cylinder banks set 60 degrees apart
- one crankshaft
- liquid-cooled or air-cooled
- most common is V12 or V6
- used by older aircrafts (WWII)

# data[].attributes.body
- one crankcase
- cylinders are arranged in a circular shape
- double row is possible,
- usually 9 cylinders
- big and flat
- heavy but high power