Recent content by throwaway222

What is the equation from? I'm no mechanical engineer, just trying to understand this machine. 1.5” / 7” = (2 * e) / y 1.5 / 14 = e / y, therefore; e = 1.5 / ( 14 * y), or; y = 14 * e / 1.5 That specifically.

Perfect answer, thank you.

I see, but is there a way to calculate how long it would need to be and where the pin would need to be for the slide valve to move a certain distance? Sorry if it sounds confusing.

http://chestofbooks.com/home-improvement/woodworking/Handicraft-For-Boys/images/Making-the-Model-Engine-292.png I want to know how you would determine how long the rocker arm in this picture is...