This is the Dualsky 50E Tuning Combo with ECO4120C V2 560kv Motor and 80A ESC [DSTC.5A.50E].

The Dualsky 50 Tuning Combo consists of a 4255EA-6 590kv motor and an 80A XC8018BA ESC. It will suit .42 to .55-class RC aircraft. It can be used with a 5-6S LiPO battery and on 6S will develop up to 1400 W of power. The perfect combo to replace a 45-55 size 2 stroke engine.

Motor Specifications

KV: 560
Turns: 7
Weight: 280 g
Dimensions (D x L): 49.5 x 45.2 mm
Slots & Poles: 12N14P
Ri (mOhm): 22
Io @ 10V: 1.3 A
No. of Cells: 5 - 6
Max. Efficiency Current: 42 A
Max. Burst Current (15S): 70 A
Max. Power (15S): 1400 W
Max. Torque (N*M): 1.43
Shaft Diameter: 6 mm
Mounting Holes Pitch: 30/30
Input Connectors: GC4.0
Recommended ESC: XC8018BA
Propeller: 5S: 16x9E, 15x8E / 6S: 14x6E, 13x8E
Class: .65-.70 4-Stroke

ESC Specifications

Dimensions: 75 x 30 x 14mm (L x W x D)
Weight: 71g
Number of Cells (NiXX): NiXX 6-18, 7.2-21.6V
Number of Cells (LiPo): LiPo 2-6, 7.4-22.2V
Resistance (Ri) (Ohm): 0.0016
Max Cont. Current: 80A
Max Cont. Output: 1680W
Max Burst Current: 100A
Max Burst Output: 2040W
BEC/Dissipative Power: 5.5V/3A (Swiching)
Programmable: Throttle + ProgCARD V2
Input Wires: 120mm, 14AWG, DC3
Output Wires: 75mm, 16AWG, DB4
Signal Wire: 300MM JR