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Small Engine

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PRESENTATION OUTLINE

DISPLACEMENT

BAILEY AND DILLON
Photo by Andy Morffew

Displacement is the size or value of the cylinder. The bore and stroke are used to find its displacement.

Photo by Audin

Bore^2 x pie x stroke/4 is the formula for displacement. The displacement is multiplied by the number of cylinders to find the total displacement in the engine.

Photo by ginnerobot

Untitled Slide

Answer: 27.984023

COMPRESSION RATIO

Photo by Linh_rOm

COMPRESSION RATIO IS A COMPARISON OF TWO QUANTITIES AND IS STATED AS A NUMERICAL RELATIONSHIP. A COMPRESSION RATIO IA BASED ON THE ENGINE COMBUSTION CHAMBER VOLUME WHILE THE PISTON IS AT THE BOTTOM OF ITS TRAVEL COMPARED WITH THE VOLUME WHEN THE PISTON IS AT THE TOP.y

Photo by Leo Reynolds

THE RATIO IS 6:1