All in all, the streamlined design and contra-rotating propellers of the system are optimized for maximum speeds between 20 and 32 knots. ZF noted the 4600 POD Propulsion System also gives ...

The contra-rotating Whetar turbine is almost completely silent and it can generate 43,8 MW/h per year with under 50% load capacity. Continue reading below. Our Featured Videos.

Most EVs have permanent magnet synchronous motors (PMSMs), where the rotor has permanent magnets embedded in it that are ...

One alternative that avoids the use of brushes is ZF’s I2SM (in-rotor inductive-excited synchronous motor). This has a small electronic generator called an inductive exciter, uniquely fitting ...

We interviewed the core team at Norway's World Wide Wind to learn more about its floating, tilting, contra-rotating, double turbine design, which it says can unlock unprecedented scale, power and ...

That's thanks to its coaxial contra-rotating main rotors powered by two Klimov VK-2500 turboshaft engines. Those main rotors also negate the need for a tail rotor, ...

Precious Metal is a staple of the air racing community. The highly modified P-51’s striking yellow and polished paint job and its contra-rotating propellers are features that make it stand out ...

Inventor of the Personal Blender Introduces the First-Ever Impact Blender, Blending Smarter with Contra-Rotating & Vacuum Technology. ANAHEIM, Calif., June 12, 2025 /PRNewswire/ -- Tribest, a ...

All customers in Contra Costa County who were previously notified via automated calls, will not be impacted by rotating power outages, the utility says. PG&E has been on standby throughout the day ...