Brushless Motor Egodrift Tengu 4025HS / 550KV (12S)Here we have Brushless Motor Egodrift Tengu 4025HS / 550KV (12S)Hand-wound EGODRIFT Tengu 4025HS motor for 550mm class rc helicopter models with a kV rating of 550kV - intended for use with 12S LiPo batteries.Key FeaturesTengu series 550mm class hel..