Textbook in PDF format This book explores the design of mechanical subsystems, with particular emphasis on the dynamibility they impart to the overall systems they become part of. Dynamibility is defined here as an attribute of a physical system - its capacity for good dynamic performance. At several places throughout the book innovative designs are presented that address previously obscure or stubborn design challenges, each tailored to meet specific functional requirements. These designs are neither patented nor patent-pending, and readers are free to adopt and use them. The book spans a range of disciplines within mechanical design engineering, aiming to fill notable information gaps and tackle problem areas that have long remained unspoken. Where appropriate, it highlights subtle design pitfalls, cautioning designers to avoid them