Three bar chain benchtop experiments is attached with two aluminium printed/ graduated disc attached with ball beaings for friction less movements. The apparatus is attached with four connecting rods. Crank radius is 25 mm, 37.5 mm and 50 mm . Swing radius is 50 mm, 100 mm and 200 mm . Connecting rod length is 160 mm , 180 mm, 200mm and 220 mm. The disc are attached on the metal powder coated frame . Two handles are also attached for carrying the apparatus.
