Removing an inboard-powered boat’s propeller is a straightforward boating DIY task. Sometimes, though, a prop will cling to its shaft with the tenacity of a barnacle to a piling. The following tips ...

No matter what you read or hear, there is still a fair bit of pseudoscience in propeller selection. Chasing the correct combination of speed and smoothness generated from a propeller can be an ...

Peer-reviewed research by Thordon Bearings into the hydrodynamic lubrication efficiency of a ship’s propeller shaft bearing has found that the use of seawater-lubricated elastomeric polymer bearings ...

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 ...

Move the throttle lever, and ­Mercury Racing’s 500R outboard crushes you into the seat or bolster. There’s torque to spare all the way to its max-rated 6,600 rpm. It proved a blast testing aboard ...