Commercial aircraft typically have engines that rotate in the same direction to lower maintenance costs and create a more extensive fleet. In the case of an emergency, asymmetric yawing is more ...

This Jupiter 41 SB is running fine not only because of its captain and trim control, but because of expert selection of propeller characteristics and rotation. Courtesy Jupiter Marine International ...

This study reveals a surprising reversal of thrust direction in propellers operating at intermediate Reynolds numbers—a regime highly relevant to small-scale robotic systems and other technologies ...

Over three years ago, Suzuki broke new ground in outboards when it introduced its DF350A, which featured contra-rotating propellers seen previously in sterndrive applications. The dual-prop setup ...