New updated design just released. We are the only sellers of this type. Heavy duty aircraft 5251 alloy 3 mm wind blades. Wind turbine blades for Ultra low wind zones. Listing for 3 alloy blades with hub, bolts, and stainless steel reinforcements.3 alloy extension blades with hub. Each extension is 360mm long. Hub diameter 220mm 3 alloy extensions specially formed for strength and for performance in low wind zones ideal for light breeze up to 50MPH burst wind speed. 3mph start up speed been well tested UK winds Hub has 6 mounting points with 17mm center hole will fit out PC or SC alternators. The blades can be bought separately, call for info, or 3 or 6 alloy can be used as is. Call 07711 Hornet wind turbines 407899 for info. The item "New Low wind heavy duty wind turbine generator blade set, new design Heavy duty" is in sale since Wednesday, June 29, 2016. This item is in the category "Home, Furniture & DIY\DIY Materials\Alternative & Solar Energy\Solar Panels". The seller is "hornet-bestturbines-uk" and is located in Huddersfield. This item can be shipped worldwide.