Interactive Four-Bar Linkage Position Synthesis

Freudenstein's equation is an analytical method for synthesizing link lengths of a linkage. For a fourbar linkage, input link and output link angle measurements at three prescribed positions is required to generate the link lengths. The results obtained from this page can be verified using the position analysis.

Unit Type:
Fixed Link Length (m or ft): r1:
Input Angles (theta 2): phi1: phi2: phi3:
Output Angles (theta 4): psi1: psi2: psi3:

Output option:
  1. Display link dimensions
  2. Display fourbar positions

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