| Type: Φ68×H58 Ducted Fan ( EDF ) Applicable motor: Brushed 390 class 3500 RPM above; Brushless B28 4000KV ( not included ) Thrust: Brushed motor 300-400 g; Brushless motor 750-950 g Speed controller required: 25A ( brushed ); 40A (brushless) ( not included ) Inner Diameter: 68mm Hight: 61mm Motor Housing Inner Diameter:29mm Motor Collet Diameter: 3.17mm Weight: 41g / 1.4oz
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