SS Series H3126 1600KV 7S Brushless Motor for 500 Helicopter RC Airplane Aircraft Fixed-wing Description: Item: SS Series H3126 1600KV Brushless Motor Motor net weight: 186g Dimensions: Φ37.6*47.5mm Output shaft diameter: 5mm Motor T number: 4 T Motor KV: 1600KVApplicable models: 500-550 class electric helicopter No-load current: 4.1 A Power: ≈1500 W Efficiency: 83% Applicable ESC: 70 A Working voltage: 7S lithium battery Package Included:1x SS Series H3126 1600KV Brushless Motor