Viper Ducted Fan 1.Fan Dimension:90 mm 2.Rotational Speed:1700 (kv) 3.Brushless Power System 4.Weight:138g EDF

- New Spinner Design To Provide Rotor Part More Stable In High RPM.- Outside Diameter : 94.8mm - Rotor Material : Fibre Reinforced Nylon Rotor - Rotor DIameter : 89.5mm , 11 blades- Weight: 138g- Motor Shaft Adapter: 5.0mm- Working Voltage: 22.2v - 29.6v ( 6S -8S)- Motor Required: B36 Inrunner Or Outrunner Brushless Motor 1100 - 1700Kv

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Viper 90mm RC Electric Ducted Fan (11 Blade EDF)