DIY Miniature DC Wind Power Turbine Model Demonstration Teaching Tool Drive Fan Physical Experiment

Specification:-Methods of generating electricity: DC-Sizes for electric generator fan:  Material: Plastic, Metal   Motor diameter: 24.5mm   Motor height: 34.2 mm ( including front and rear bearing sleeve)   Output shaft diameter: 2.0mm  Out put shaft length: 13.5mm  Wind leaf total diameter: 90 mm   Blades aperture: 1.95mm-Sizes for small electric fan:  Motor diameter: 24 mm   Motor height: 12 mm   Wind blade diameter: 55 mm Features:-The model is packaged by completely accessory sets ,you can enjoy assemble by yourself;-Small volume and good demonstration effect for wind power generation demonstration teaching tool;-It can also be used for making all sorts of small technology production, model making, etc.  Package included: 1 set x Miniature DC Wind Power Turbine Model Demonstration Teaching Tool Drive Fan