The Polycal Wire Rope Isolator (PWRI) is effective in isolating vibrations for equipment. The proposed work is to perform an analytical and experimental investigation on the PWRI in both vertical and lateral directions. The analytical model of static elastic stiffnesses of polycal WRI were developed using Castigliano’s second theorem and were validated using monotonic loading tests. Meanwhile, the damping characteristics of WRI were studied using the cyclic loading tests
