Before I can start building the parts to my mechanism, I need to know what parts I need, how many I need, and their dimensions. So this week I have been thinking about the relative dimensions of the parts for my mechanism. By this I mean that the dimensions are variables, and therefore, it does not change what the equation for the other dimensions are, if the actual dimensions change.
These dimensions are needed to find z, which in this diagram, is the number of segments in the piston. This is important information to know early because the different parts all need to fit into one another, meaning that all the pieces are consecutively smaller than the last piece. Knowing the number of pieces needed to build the piston will tell me how wide the radius will be for the largest and smallest pieces, and then all the ones in between.
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