In a bubble test, air is blown in front of the spinning propeller to visualize the flow of the water. This revealed some stalling on the bi-blade and the toroidal design too, which would explain ...

The photograph shows a windmill of the type that opened up the western plains of the United States by providing a reliable source of well water for cattle farming. By providing power to a propeller it ...

A man was hospitalized Saturday afternoon after getting his leg struck by a boat propeller while in the water off Fort Lauderdale Beach, officials said. The incident happened right off Florida ...

Unlocking better boat performance with smart prop adjustments and data-driven decisions The post How Data and Fine-Tuning ...

TradeWinds has previously reported that the Liberian-flagged ship is owned by Philippines-registered single-ship company ...