• EMAX ECOIII (E3 Series) 2807 brushless motor, top view with threaded shaft and E3 logo
  • EMAX ECOIII 2807 motor package contents with EMAX box, mounting screws, nut and adapter hardware
  • EMAX ECOIII (E3 Series) 2807 brushless motor side view showing 1300KV marking and wire lead
  • Angled top view showing EMAX logo on ECOIII motor can and pre-attached wire lead
  • Close-up of motor base showing copper windings, bearing center, and mounting holes
  • Side profile close-up showing threaded shaft length and etched QC sticker on motor can
  • Front angle view of motor with threaded shaft and wire lead in background on white backdrop
  • Bottom view showing stator windings, bearing, and silicone wire strain relief
  • Low side angle showing E3 Series graphic on motor can and base mount feet
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EMAX ECOIII (E3 Series) 2807 Brushless Motor 3-6S 1300KV/1500KV/1700KV, 5mm Shaft FPV

EMAX ECOIII (E3 Series) 2807 Brushless Motor 3-6S 1300KV/1500KV/1700KV, 5mm Shaft FPV

Emax

$48.09 USD
$48.09 USD
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Overview

The EMAX ECOIII (E3 Series) 2807 brushless motor is designed for FPV multirotor builds that need strong torque and efficiency on larger propellers. It is offered in 1300KV, 1500KV, and 1700KV options, with a 5mm shaft and published 6"-7" propeller support.

Key Features

  • Aircraft-grade 7075 aluminum construction (E3 Series)
  • Hardened steel shaft
  • Precision-engineered G1 bearing
  • Single-strand winding design for reduced electrical resistance and improved heat dissipation
  • N52SH arc magnets (E3 Series)

Specifications

General (ECOIII-2807)

Motor dimensions φ34.8*34.9mm
Framework 12N14P
Bearing shaft 5mm
Lead 18#AWG 200mm
Weight 49.6g (W/O Silicone Wire)
Propeller 6"-7"

KV1300

Idle current (10V) 1.4A
Internal resistance 60mΩ
No. of cells 3-6S
Peak current 55A (6S)
Max. power 1390W (6S)

KV1500

Idle current (10V) 1.8A
Internal resistance 50mΩ
No. of cells 3-6S
Peak current 63A (6S)
Max. power 1590W (6S)

KV1700

Idle current (10V) 2.1A
Internal resistance 40mΩ
No. of cells 3-4S
Peak current 54A (4S)
Max. power 907W (4S)

Thrust Test Data

ECOIII-2807-1300KV (25.2V), Propeller: EMAX AVIA7035 3-blade propeller

Voltage (V) Current (A) Thrust (g) Power (W) Efficiency (g/W) Speed (RPM)
25.2 2.06 300 51.91 5.78 9050
25.2 3.91 500 98.53 5.07 11640
25.2 6.46 730 162.79 4.48 14050
25.2 9.92 1050 249.98 4.20 16560
25.2 14.2 1320 357.84 3.69 18980
25.2 19.1 1610 481.32 3.34 21060
25.2 25.2 1950 635.04 3.07 23180
25.2 32.4 2290 816.48 2.80 Max

ECOIII-2807-1500KV (25.2V), Propeller: EMAX AVIA7040 3-blade propeller

Voltage (V) Current (A) Thrust (g) Power (W) Efficiency (g/W) Speed (RPM)
25.2 2.66 340 67.03 5.07 10380
25.2 5.2 590 131.04 4.50 13290
25.2 8.75 870 220.50 3.95 15970
25.2 13.7 1230 345.24 3.56 18590
25.2 20.2 1595 509.04 3.13 20950
25.2 28.5 1990 718.20 2.77 23060
25.2 38.1 2270 960.12 2.36 24960
25.2 51.3 2580 1292.76 2.00 Max

ECOIII-2807-1700KV (16.8V), Propeller: EMAX AVIA7035 3-blade propeller

Voltage (V) Current (A) Thrust (g) Power (W) Efficiency (g/W) Speed (RPM)
16.8 2.2 225 36.96 6.09 7890
16.8 4.23 380 71.06 5.35 10240
16.8 6.84 560 114.91 4.87 12290
16.8 10.2 750 171.36 4.38 14280
16.8 14.6 980 245.28 4.00 16360
16.8 20.1 1230 337.68 3.64 18340
16.8 26.2 1480 440.16 3.36 20120
16.8 33.4 1760 561.12 3.14 Max

Applications

  • FPV freestyle and racing builds
  • High-load FPV setups using 6"-7" propellers
  • Cinematic FPV platforms where higher torque is required

For product selection help (KV choice, battery cell count, and prop matching) or after-sales support, contact https://rcdrone.top/ or email support@rcdrone.top.

Details

EMAX ECOIII (E3 Series) 2807 brushless FPV motor hero view with E3 Series branding and threaded shaft

The ECOIII 2807 E3 Series motor targets 6–7 inch prop builds that need strong torque and efficiency.

Close-up of E3 Series motor top plate and copper windings with ‘Built Tough’ durability callout text

Aircraft-grade 7075 aluminum parts, a hardened steel shaft, and G1 bearing support durability for demanding FPV use.

E3 Series motor lineup graphic with ‘Support for All’ text highlighting multiple sizes and FPV applications

Multiple KV options make it easier to match the motor to your battery voltage and prop size for racing, freestyle, or cinematic builds.

Macro view of copper stator windings with ‘Single Strand Wiring’ efficiency and heat dissipation callout text

Single-strand winding is designed to reduce electrical resistance while improving heat dissipation under load.

Side view of E3 Series motor with ‘Power and Response’ text referencing N52SH arc magnets for torque

N52SH arc magnets help deliver crisp throttle response and consistent power on high-load prop setups.

Angled close-up of motor top and shaft with ‘Affordability’ text about performance valueTwo E3 Series motor side profiles with ‘The Future of FPV’ performance and durability statement textEMAX ECOIII-2807 technical drawing and specifications table with dimensions, 5mm shaft, and KV options

Full ECOIII-2807 spec sheet includes dimensions, 5mm shaft size, wire length, cell count range, and KV variants.

Thrust test data tables for ECOIII-2807 1300KV, 1500KV, and 1700KV with voltage, current, thrust, and efficiency

Thrust test tables provide quick comparisons of current draw, thrust, and efficiency for each KV option.

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