3-blade mini propeller with a diameter of 50mm dedicated to a mini wind turbine and to DC motors with a 2mm shaft. Perfect propeller for mini fan, electric toys, RC Boat, science and education toys, robots, your own DIY projects etc. Technical data Material: Plastic Hubcap diameter: 13mm Total diameter: approx. 50mm Axle hole: 2mm https://elecena.pl/product/22622778/3-blade-propeller-50x2mm-for-mini-wind-turbine-diy-projects 2023-02-23 https://elecena.pl/product/22622778/3-blade-propeller-50x2mm-for-mini-wind-turbine-diy-projects 2025-10-28