This is the Dualsky 40E Tuning Combo with 3520C 820kv Motor and 65A Lite ESC [

This Dualsky 40 size Tuning Combo contains the 3520C V2 820kv brushless motor and matching 65A Lite ESC. It's designed for use in .32-.45 size model planes and for 4S LiPO batteries. Using 13x6E to 15x6E propellers can yield flight times greater than 10 minutes.

The motor comes with an X mount enabling it to be bolted to the firewall or on standoffs. Note that a battery connector for the ESC is not included.

Motor Specs

KV: 820

Turns: 5

Weight (g): 210

Dimensions(D x L) [mm]: 43.2x42.4

Slots & Poles: 12N14P

Ri (mOhm): 18.7

lo @10V (A): 1.7

No. of Cells (LiPo): 3 / 4

Max. Efficiency Current [A]: 40

Max. Burst Current (15S) [A]: 65

Max. Power(15S) [W]: 1040

Max. Torque [N*M]: 0.91

Shaft diameter(mm): 6

Mounting holes pitch: 25/25

Input Connectors: GC4.0

Recommended ESC: XC-65-Lite or XC6018BA

Propeller: 4S: 13x8E, 14x7E, 15x6E

Class: .50 4-stroke or .32-.40 2-stroke (40E)

ESC Specs

Dimensions (L x W x D): 72 x 33 x 12mm

Weight (with wires): 61g

Number of Cells: NiXX 6-18 cell, 7.2-21.6V

LiPo: 3-6s, 7.4-22.2V

Resistance(Ri)(Ohm): 0.002

Max Cont. Current & Max Cont. Output: 65A, 1200W

Max Burst Current & Max Burst Output: 80A, 816W

BEC / Dissipative Power: 6.2V/7A (UBEC)

Programmable: Throttle + ProgCARD V2

Signal Wire: 300MM JR