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WhalePower, has redesigned the typically smooth blades on a turbine, adding a series of ridges, based on tubercles, the bumps on humpback whale fins. The company says this new blade design could increase annual electrical production for existing wind farms by 20 percent.     Read more: 10 Wind Turbines That Push the Limits of Design - Popular Mechanics

WhalePower, has redesigned the typically smooth blades on a turbine, adding a series of ridges, based on tubercles, the bumps on humpback whale fins. The company says this new blade design could increase annual electrical production for existing wind farms by 20 percent. Read more: 10 Wind Turbines That Push the Limits of Design - Popular Mechanics

flow around an airfoil at high aoa, indicated by pressure contours and streamlines

flow around an airfoil at high aoa, indicated by pressure contours and streamlines

One flying wing from one sheet of foam board, no waste and another from two sheets, also no waste. Ready to fly!

One flying wing from one sheet of foam board, no waste and another from two sheets, also no waste. Ready to fly!

Customized purple and yellow blades for Altra-Air Fans.

Customized purple and yellow blades for Altra-Air Fans.

solar auto bird - at ETHA

solar auto bird - at ETHA

WanderB uav

WanderB uav

https://www.google.co.uk/search?newwindow=1

https://www.google.co.uk/search?newwindow=1

wolkovitch airplane wing - Recherche Google

wolkovitch airplane wing - Recherche Google

Synergy Aircraft, Green Flight Challenge, future vehicle, NASA, eco, John McGinnis, aerodynamic, electric, future aviation, future airplane, Delta Hawk, bio-diesel fueled propeller engine | Futuristic NEWS

Synergy Aircraft, Green Flight Challenge, future vehicle, NASA, eco, John McGinnis, aerodynamic, electric, future aviation, future airplane, Delta Hawk, bio-diesel fueled propeller engine | Futuristic NEWS