"It’s no secret, our roots are in the radio control hobby industry and high-performance solutions for motion control are our obsession. We aim to bring our customers products that are unmatched in quality, design and reliability. With diverse engineering talent, years of iterative improvements in firmware and control algorithms, and an enthusiastic and dedicated team of individuals who are committed to setting the industry standard, WE ARE CASTLE. Our power systems are ideal for those who desire higher efficiency, advanced features and improved optimization for their stock upgrade or build. Our low-weight, high-power brushless DC motor and controller solutions are now used by customers from NASA to NASCAR. Our commercial clients range from consumer goods to space and everything in-between. "