About Us

Edge Wind was spun out of Edge Aerodynamix to develop wind power applications of the Conformal Vortex Generator (CVG) tape technology that they developed for aircraft wings and helicopter rotor blades. This CVG technology increases annual wind turbine energy production, provides protection from erosion and impacts, reduces drag caused by leading edge erosion, reduces startup speeds, and reduces vibrations. NREL is currently testing the technology on megawatt scale turbines.

Edge Aerodynamic has developed a Conformal Vortex Generator (CVG) technology that improves the aerodynamic efficiency of aircraft wings and rotor blades. The company has received a Supplemental Type Certificate (STC) from the FAA authorizing the CVG modification to Boeing 737 series aircraft. The company is currently going through the STC testing process on other Boeing and Airbus aircraft models. For a large airline, the Edge CVG technology means hundreds of millions of dollars in annual fuel cost savings without downtime for the aircraft modifications.

Conformal Vortex Generators and Lift Enhancing Tabs

Conformal Vortex Generators

The Conformal Vortex Generator (CVG) is placed on the leading edge of the wing and other surfaces and produces pairs of counter-rotating vortices in the lower boundary layer. These vortices reduce shock wave induced vibration, increase attached free stream flows, energize the boundary layer, and create suction on the boundary layer.

Lift Enhancing Tabs

Lift enhancing tabs reduce cut-in wind speed (increases production), increases torque (improves the performance curve across all wind speeds), reduces tip loading and out of plane bending, and relieves root load reducing gear box stress. CVG and Tabs are placed as follows:

Increased KWH Production

Turbine owners benefit from increased power generation across all wind speeds, increased torque for governed RPM, and lower cut-in speeds. The CVG tape also repairs damage from turbine blade erosion and restores performance

NREL reported a 22.2% increase in KWH production from the CVG and the Tab relative to a conventional leading edge taped blade along with a 20.9% increase for the CVG alone following 11 months of testing. This shifts the power curve between the cut-in and full production wind speeds. AEP for CVG+TAB was limited due to reduced wind strength during test period (which is ongoing). AEP based only on improvement for range of test data, not extrapolated to show probable AEP for equal wind range.

Reduced Tubine Damage & Erosion

The CVG material provides structural protection of the blades, protecting against blade tip erosion from icing, storms, and contaminants such as salt.


  • Rapid Installation from two man rappelling rig or
    high lift aerial work platform
    • Minimal Surface Preparation
    • Visual Alignment
    • No Special Tooling Required
  • CVG applied 2 minutes per foot of blade length
  • Tabs applied 1 minute per foot of blade length
  • Easy Removal
  • Easy Section Repair


Contact Us

Contact Us


3605 Long Beach Blvd

Long Beach CA 90807





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