Some of the main features of Duke engines are their small size and weight and high power density, according to the Duke Engines website. The company's engines have nutating reciprocators, which results in each engine having a smooth, repetitive motion.
One main feature of Duke engines is that they are typically up to 36 percent smaller and 19 percent lighter than conventional internal combustion engines, states Duke Engines. The engines also feature a three injector axial internal combustion, which leads to low vibration and exceptional mechanical balance. Customers can also enjoy greater flexibility by utilizing different spark ignition fuel types, which can save time and money.