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The EV3115-640 is a lower-KV, 3115-class propulsion motor designed for payload-carrying UAVs, commercial multirotors, mapping and inspection platforms, endurance-oriented aircraft, and OEM development programs requiring strong thrust capability.
Unit of Measure

Specifications

Stator Size

 N/A 3115

KV

 N/A 640 KV

Dimensions

 N/A 37 x 47 mm (1.46 x 1.85 in)

Configuration

 N/A 12N14P

Shaft Diameter

 N/A 5 mm

Weight

 N/A 120 g

Cable Length

 N/A 300 mm

Cells

 N/A 4S-6S, selected 8S testing

Series

 N/A EV3100

Speed (up to)

 N/A 20,700 rpm

Idle Current (20V)

 N/A 1.0 A

Maximum Power

 N/A 810 Watts

Peak Current

 N/A 40 A

Resistance

 N/A 72 mOhm

Lead Wires (AWG)

 N/A 16 AWG / 1.5 mm²

Propeller Performance Data

N/A

Tested Propeller Cell Configuration Max Thrust Electrical Power Current Speed Efficiency Datasheet
10 × 5 × 3 4S 1,447 g 266.2 W 17.05 A 8,057 RPM 5.44 g/W EV3115-640 – 10×5×3 – 4S
10.5 × 5 × 3 4S 1,545 g 277.7 W 17.87 A 8,057 RPM 5.56 g/W EV3115-640 – 10.5×5×3 – 4S
11 × 4.5 × 3 4S 1,436 g 250.2 W 16.07 A 8,229 RPM 5.74 g/W EV3115-640 – 11×4.5×3 – 4S
8 × 4 × 3 6S 1,552 g 353.2 W 14.65 A 13,457 RPM 4.39 g/W EV3115-640 – 8×4×3 – 6S
9 × 4 × 3 6S 1,809 g 420.7 W 17.48 A 13,114 RPM 4.30 g/W EV3115-640 – 9×4×3 – 6S
10 × 5 × 3 6S 3,793 g 809.5 W 34.36 A 11,057 RPM 3.45 g/W EV3115-640 – 10×5×3 – 6S
10.5 × 5 × 3 6S 3,020 g 864.6 W 36.62 A 11,057 RPM 3.49 g/W EV3115-640 – 10.5×5×3 – 6S
11 × 4.5 × 3 6S 2,914 g 728.6 W 30.77 A 11,314 RPM 4.00 g/W EV3115-640 – 11×4.5×3 – 6S
6 × 2.5 × 3 8S 832 g 236.6 W 7.19 A 19,714 RPM 3.52 g/W EV3115-640 – 6×2.5×3 – 8S
7 × 4 × 3 8S 1,692 g 467.6 W 14.49 A 18,514 RPM 3.62 g/W EV3115-640 – 7×4×3 – 8S
7.1 × 4 × 3 8S 1,849 g 526.9 W 16.42 A 18,086 RPM 3.51 g/W EV3115-640 – 7.1×4×3 – 8S
8 × 4 × 3 8S 2,500 g 731.7 W 23.25 A 15,886 RPM 3.42 g/W EV3115-640 – 8×4×3 – 8S
9 × 4 × 3 8S 2,873 g 838.8 W 26.73 A 16,371 RPM 3.43 g/W EV3115-640 – 9×4×3 – 8S

* For detailed specifications and motor performance curves, please refer to the complete product specification sheet.

Propeller Reference Guide

N/A

EV3100 Tested Propeller Reference Table
Propeller Reference Diameter (in) Pitch (in) Number of Blades Used With Models
6 × 2.5 × 3 6 in 2.5 in 3 blades EV3115-640
7 × 4 × 3 7 in 4 in 3 blades EV3110-900, EV3115-640
7.1 × 4 × 3 7.1 in 4 in 3 blades EV3110-900, EV3115-640, EV3115-700, EV3115-900
7.5 × 4 × 2 7.5 in 4 in 2 blades EV3110-900
8 × 4 × 3 8 in 4 in 3 blades EV3110-900, EV3115-640, EV3115-700, EV3115-900
8 × 8 × 2 8 in 8 in 2 blades EV3115-900
9 × 4 × 3 9 in 4 in 3 blades EV3110-900, EV3115-640, EV3115-700, EV3115-900
10 × 4.5 × 2 10 in 4.5 in 2 blades EV3110-900
10 × 5 × 3 10 in 5 in 3 blades EV3110-900, EV3115-640, EV3115-700, EV3115-900
10.5 × 5 × 3 10.5 in 5 in 3 blades EV3115-640, EV3115-700, EV3115-900
11 × 4.5 × 3 11 in 4.5 in 3 blades EV3115-640, EV3115-700, EV3115-900

NOTE: Propeller format is shown as diameter × pitch × blade count. For example, 11 × 4.5 × 3 indicates a 11-inch diameter, 4.5-inch pitch, three-blade propeller.

Detailed Propeller Performance Reference

N/A

EV3115-640
Tested Propeller Cell Configuration Max Thrust Electrical Power Current Speed Efficiency
10 × 5 × 3 4S 1,447 g 266.2 W 17.05 A 8,057 RPM 5.44 g/W
10.5 × 5 × 3 4S 1,545 g 277.7 W 17.87 A 8,057 RPM 5.56 g/W
11 × 4.5 × 3 4S 1,436 g 250.2 W 16.07 A 8,229 RPM 5.74 g/W
8 × 4 × 3 6S 1,552 g 353.2 W 14.65 A 13,457 RPM 4.39 g/W
9 × 4 × 3 6S 1,809 g 420.7 W 17.48 A 13,114 RPM 4.30 g/W
10 × 5 × 3 6S 3,793 g 809.5 W 34.36 A 11,057 RPM 3.45 g/W
10.5 × 5 × 3 6S 3,020 g 864.6 W 36.62 A 11,057 RPM 3.49 g/W
11 × 4.5 × 3 6S 2,914 g 728.6 W 30.77 A 11,314 RPM 4.00 g/W
6 × 2.5 × 3 8S 832 g 236.6 W 7.19 A 19,714 RPM 3.52 g/W
7 × 4 × 3 8S 1,692 g 467.6 W 14.49 A 18,514 RPM 3.62 g/W
7.1 × 4 × 3 8S 1,849 g 526.9 W 16.42 A 18,086 RPM 3.51 g/W
8 × 4 × 3 8S 2,500 g 731.7 W 23.25 A 15,886 RPM 3.42 g/W
9 × 4 × 3 8S 2,873 g 838.8 W 26.73 A 16,371 RPM 3.43 g/W

NOTE: Performance data depends on battery voltage, ESC settings, airflow, mounting conditions, propeller selection, and aircraft design. Use these tables for engineering screening; validate final selections with application-specific testing.

Best-Fit Application

N/A

Model Number Best-Fit Application
EV3110-900 Commercial Multirotor / Mapping UAV
EV3115-640 Lower-KV / Payload UAV
EV3115-700 High-Thrust / Payload UAV
EV3115-900 High-Speed / High-Output UAV

Features & Specifications

N/A Features & Specifications

  • 640 KV, 700 KV, and 900 KV motor platforms
  • 3110- and 3115-class motor architectures
  • 37 mm frame-diameter platform
  • 12N14P configuration
  • 5 mm shaft diameter
  • Published 4S, 6S, and selected 8S performance configurations
  • Published thrust, power, current, RPM, and efficiency data
  • OEM customization options
  • Defense program support available

Applications

N/A Features & Specifications

  • Payload-carrying UAVs
  • Commercial multirotors
  • Endurance & utility UAVs
  • Mapping & inspection aircraft
  • OEM development programs