11 Blade Hub and 2 Raptor G4 Wind Turbine Blade Upgrade Kit
11 Blade Hub and 2 Raptor G4 Wind Turbine Blade Upgrade Kit

11 Blade Wind Turbine Hub and 2 Raptor Generation 4 Blades Upgrade Kit

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Your Price: $79.99
Part Number: 11HUB-UPGRADE
Availability: In Stock.

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Upgrade from 9 to 11 Blades

Upgrade your current wind turbine with two Raptor Generation 4 blades (29" in length) and a high grade steel hub! If you previously bought our 9 blade basic wind turbine and need a sooner start-up, upgrade with this convenient kit.

11 Blade Hub Specifications:

  • Zinc plated (no painting required!)
  • 1/4 inch (6.35 mm) thick steel
  • 9 inch (228.6 mm) diameter
  • Mounting holes are 1/4'' with 15/16'' hole center to center (.245" with .930" spacing)
  • 17 mm hub center center mounting hole
  • Evenly spaced cooling holes to prevent overheating
  • Laser cut for precision
  • Made in the USA


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

Real American quality products!

Upgrade your turbine and see the difference!


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