The motorized chipper developed is run with a 0.5 HP single phase motor through suitable belt drive. The feed hopper consists of two concentric rows of 25 cm high ms cylinders. The outer row of cylinders is of 10 cm diameter while the inner row of cylinders meant for thinner tubers are of 7 cm diameter. A MS circular disc of 87 cm diameter and 10 mm thickness carries two pairs of stainless steel blades.