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Raptor Generation 4 Blades and Bare Steel Hub


with Mounting Hardware

3 Blade Hub Specifications:

  • 3/16 inch (4.76 mm) thick steel
    • requires painting
  • 6 3/4 inch (171.45 mm) diameter
  • Mounting holes are 1/4'' with 15/16'' hole center to center (.245" with .930" spacing)
    • Can be used for 2, 3, and 6 blade systems
  • 17 mm hub center center mounting hole
  • Evenly spaced cooling holes to prevent overheating
  • Laser cut for precision
  • Made in the USA
The Raptor G4 wind turbine blades are made from revolutionary carbon fiber composites (used by the aircraft industry) - The same material used in the F-22 Raptor fighter jet.

  • Designed for high speed, high efficiency, affordability and durability.
  • Our Raptor Generation 4 blades can last 75 years in the sun! Made to withstand extreme heat and sub-zero temps, our blades are designed for high speed, high efficiency, affordability and durability.
  • They are rated to withstand 125 mph winds and are designed to operate real PMA's (permanent magnet alternators) at high speed in low winds to create the maximum power a PMA can put out. Our precision, aerodynamically tapered blades feature a 5.5 mph start up speed.
  • Our superior Raptor Generation 4 blades can be used on air-x or other wind turbines to increase low wind start-up, power production, and improve safety from plastic/PVC blades.

We've tested many blades on the market and have concluded that our Raptor Generation 4 blades are hands down the best for durability, performance, aesthetics, and overall value. 

Raptor Generation 4 Blade Specifications:

  • Blades weigh approximately 1 pound each
  • Weighed for density
  • Perfectly balanced
  • Ran to strict specifications and procedures
  • Reinforced and impact resistant
  • Cooled to avoid warping
  • QC gauged 100% for size
  • Inspected for flaws and appearance at three points
  • Resistant to ultraviolet light (UV protected)! Will NEVER crack or degrade
  • Clockwise rotation
  • Limited Warranty
  • Made in the USA


  • Each blade is 29" long
  • Blade base is 6" wide
  • Blade tip is 1 1/8" wide
  • Mounting bolt holes are 0.245" and the bolt holes are 15/16" apart center to center
  • 59" (1.50 Meters) Assembled Diameter

Watch this short video of where our Raptor Generation 4 wind turbine blades are made

Real American quality products!

Upgrade your turbine and see the difference!

Wind Turbine Specifics
Blade Series Raptor Generation 4
Blade Length 29 Inches / 73.7 Centimeters
Blade Width (at base) 6 Inches / 15.24 Centimeters
Blade Width (at tip) 1 1/8 Inches / 2.86 Centimeters
Blade Material Carbon Fiber
Blade Quantity 3 Blades
Assembled Diameter 59 Inches / 1.50 Meters
Special Coating None

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3 Raptor Generation 4 Blades and Hub for Wind Turbines

  • $54.99

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Tags: 3 blade, Generation 4, Gen 4, wind turbine, Raptor, G4, blade, hub