These 5 blades measures 42" long and 2.5" wide each. Great for building VAWT vertical axis wind turbines.Fast blades offer excellent lift. Has nice wing shaped foil for excellent speed a strength. You will need to trim and drill mounting holes and set pitch.
Great for making replacement blades for old Southwest. And Windseeker types 501, 502. Works on virtually all vintage and newer wind turbines. We take no responsibly for how these blades are used.You must make sure you drill, install, balance and back. The item "5 Aluminum blade blanks WindSeeker Southwest 501 505 VAWT vertical 42X2.5" is in sale since Thursday, December 21, 2017. 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.