Counter-rotating wind turbines (CRWTs) represent an innovative paradigm in wind energy conversion, employing a dual rotor mechanism in which two coaxial rotors spin in opposite directions. This ...

The 60 x 60 x 76-mm San Ace 60CR 12-Vdc counter-rotating fan provides airflow to 2.26 m3 /min and static pressure to 550 Pa, said to be the highest in the industry. Available in S- and H-speed models, ...

Two is always better than one, like the pair of counter rotating cutting blades on this handheld circular saw that let it effortlessly slice through wood, plastics and metals in either direction, ...

Take advantage of real dealer pricing and shop special offers on new and used boats. Select your boat to get started. A boat's history affects it's value—check the history of this 2007 Panther ...

(Nanowerk News) As anyone who drinks their coffee with milk knows, it’s much easier to mix liquids together than to separate them. In fact, the second law of thermodynamics would seem to dictate that ...

Take advantage of real dealer pricing and shop special offers on new and used boats. Select your boat to get started. A boat's history affects it's value—check the history of this 2008 Panther ...

At the center of a galaxy called NGC 1068, a supermassive black hole hides within a thick doughnut-shaped cloud of dust and gas. When astronomers used the Atacama Large Millimeter/submillimeter Array ...

The images, reportedly captured in April, show a compound helicopter with coaxial main rotors and pusher propeller, which bears similarity to Sikorsky’s X2 Technology. Few days after photos emerged of ...

Midea Group has patented a counter-rotating motor for high-speed blenders. The motor includes a stator with outer and inner windings, an inverter for synchronous excitation, an inner rotor rotating in ...

POSITAL’s Multiturn Counter Module is a zero-maintenance rotation counter designed to be integrated into motors or other types of rotating machinery to provide their control systems with a reliable ...