BLADES MADE FROM A VERY SPECIAL ULTRA TOUGH PLASTIC. Hard has stone but flexible. "23% more energy can be extracted from material this stiff".This is a very expensive and special plastic that is rock hard. It will bend like metal before it snaps. Same plastic they make ballistic knifes from! They are 28 long each.
Fits on older AirX models, Hornet and Wind Scorpion models. VERY FAST BLADES - LIGHTNING QUICK AND COME WITH A HUB and BOLTS. Hub is a two piece lam of 10G steel that is about 1/4 when together. Non-bendable steel, LAMINATION IS VERY TOUGH AND FLEXIBLE! HIGH RPM IS GREAT FOR HIGH PMA POWER OUT PUT!The item "Wind turbine generator 11 PACK MEAN GREEN prop set fast turning WITH HUB KIT" is in sale since Wednesday, February 21, 2018. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Wind Power Supplies\Wind Turbines & Kits". The seller is "wind_turbine_generator" and is located in Lancaster, California. This item can be shipped worldwide.