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In the emerging field of energy conversion technology, one of the equipment that have played a major role in the past is steam engines. These technologies, including the steam engine, are utilized to transform fossil fuels (mechanical energy) into usable energy. As wind energy is becoming a vital source of electrical energy globally, wind power plants with high capacity are being constructed all over the world. Despite advancements, the existing technical design is not yet suitable to produce reliable wind energy converters for low wind speeds and urban settings. Savonius Wind turbine is a promising solution to this problem but the problem with the Savonius Wind turbine is that it has a low coefficient of power because of the generation of negative torque. This research aims to manufacture a Savonius Wind Turbine with optimal parameters from previous research. Along with this, this study mainly focuses on installing a deflector to reduce negative torque effect due to the lagging blade of the turbine. A considerable improvement in the performance of wind turbine can be achieved, particularly the coefficient of power can increase up to 35%.