Black Tornado V2 5 Blade Ducted Fan EDF With 2853-KV4800 Motor Description: Brand Name: Black Tornado Item NO.: V2 Item Name: Ducted fan Duct: 79mm Duct Length: 61mm Shaft Diameter: 41mm Motor Shaft Diameter: 8mm Fan: 5 blade Voltage: 3S Lipo Current: 45A Weight: 105g   Package Included: 1x Black Tornado V2 Five ducted Fan