Boats are propelled forward by various power sources, such as human power, wind power, and internal combustion engines. Nowadays, even electric boats are coming onto the scene. Propulsion for ...

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 ...

Choosing the right boat propeller can transform your time on the water, improving speed, fuel economy, and handling. From blade count to pitch, rotation, and materials, every detail impacts ...

While I have logged thousands of hours in inboard towboats, I recently experienced a boat powered by Mercury’s Bravo Four S. This sterndrive features the propeller on the front side of the lower unit, ...

Inverted Quadcopter? That generally means a crash is soon to follow. Not so for a new crop of quadcopter fliers. These new quadcopters are capable of sustained inverted flight. We’ve seen inverted ...

Unique counter-rotating design to help mitigate technical risk of integrating engines on to airlifter Airbus Military has chosen a unique "handed" propeller concept for the A400M airlifter in a bid to ...

WHEN A MODIFIED MD-80 airliner flew at the 1988 Farnborough air show in Britain, it was supposed to represent the future of air travel. One of its rear-mounted jet engines had been replaced with an ...