Approx. Straight-line Linkages - Educational Model

My Educational Mechanical Examples Series This model is one of my educational mechanical mechanism examples on 80mm x 80mm base plates. You can find all models of the series in this collection => [Mechanical Mechanism Examples] The present set This set contains educational models of four-bar linkages that realize approximate straight-line motions. Chebyshev lambda linkage Watt's Linkage Grasshopper Linkage (two types) By using such mechanisms, the motion of a coupler point can be constrained to an approximately straight-line path using only rigid links connected by revolute joints, without any linear guide or prismatic pair. Brief Description Watt's Linkage Watt's linkage was devised by James Watt, renowned for his pioneering work on the steam engine. Two long links of equal length connect the ends of a shorter central link to two fixed pivot points on the base plate. When viewed as a four-bar linkage, the imaginary line connecting the two fixed pivots serves as the fourth link. The fi