Valve train - keychain

by AJM

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keychain engine rotate camshaft piston cam pushing rod valve train

Project inspired by great https://makerworld.com/en/models/673705#profileId-601698 by TianFu. An integral part of the engine is the valve train which consist: camshaft, cams, pushing rod, rocker arm, spring and valve. I created a simplified movable version of this system based on the drawing below. For the sake of simplicity, I got rid of the spring and forced the valves to move using the cam. Printed using PLA. Supports must be removed after printing. Ironing has been added to improve the top s