The Emax GT2820/07 is a 4.9 ounce, 850kv, 570 watt outrunner brushless motor. It's a good choice for sport planes weighing 35 to 65 ounces, and 3D models weighing 30 to 50 ounces. 

We suggest using a 3 cell Lipo battery that is rated for about a 60 amp continuous discharge (or more), such as an 11.1v 2200 30C to 11.1v 4200 50C. Good 4 cell Lipo choices would be 14.8v 2200 50C to 14.8v 3300 50C.

We recommend using a 50A to 70A Electronic Speed Control (ESC) with this motor.

The GT2820/07 comes with 4mm male connectors installed, and female connectors are included for your ESC. 

MOUNTING OPTIONS: The GT2820/07 can be mounted in front of a firewall using the included X mount and rotor end prop adapter. It can also be mounted behind a firewall, using the included 5mm prop adapter to mount a prop on the motor shaft. 

Propeller Test Data for the Emax GT2820/07 Motor:

Battery Size Propeller Size Thrust (oz) Amps  Watts 
3-Cell 11.1v APC 14 x 8.5E 73 oz. 37 amps 405 watts 
3-Cell 11.1v APC 14 x 7E 69 oz.  33 amps362 watts
3-Cell 11.1v APC 13 x 6.5E 62 oz. 27 amps314 watts
3-Cell 11.1v APC 13 x 4E 57 oz. 21 amps241 watts
3-Cell 11.1v APC 12 x 6E 53 oz. 22 amps260 watts
3-Cell 11.1v APC 12 x 4.7SF  62 oz. 28 amps312 watts
3-Cell 11.1v APC 12 x 3.8SF 62 oz.  28 amps316 watts
4-Cell 11.1vAPC 13 x 4E 90 oz. 38 amps560 watts
4-Cell 11.1vAPC 12 x 6E 84 oz  35 amps517 watts
4-Cell 11.1vAPC 11 x 8.5E 72 oz. 36 amps543 watts
4-Cell 11.1vAPC 11 x 7E 72 oz. 31 amps471 watts
4-Cell 11.1vAPC 11 x 5.5E 68 oz.  27 amps416 watts

Please be aware that the battery used can make a tremendous amount of difference in the performance of brushless motors. The above data was obtained using batteries in good condition that were fully charged. Thrust and amp draw may be less with the use of batteries rated at lower amp output, and slightly more using batteries rated for higher amp output. Other factors, such as ESC timing and variations in actual motor KV can affect the performance of brushless motors as well. We recommend the use of a Watt Meter to test the current draw of your particular power system, especially if you plan to use a prop that pushes the motor near it's maximum amp rating

Write a review

Please login or register to review

EMAX - GT2820-07 850kv Brushless Motor

  • Product Code: EMAX - GT2820-07 850kv Brushless Motor
  • Availability: In Stock
  • R596.00

  • Ex Tax: R518.26

Related Products

Skywalker 60 Amp ESC

Skywalker 60 Amp ESC

1 Specification1.1 Output: Continuous 60A, Burst 80A up to 10 seconds.1.2 Input Voltage: 2-6S Lip..

R508.00 Ex Tax: R441.74

Skywalker 40 Amp ESC

Skywalker 40 Amp ESC

Model: Skywalker-40AContinuous Current: 40ABurst Current (>10s): 55ABEC Mode: LinearBEC Output: 5..

R282.00 Ex Tax: R245.22

Skywalker 30 Amp ESC

Skywalker 30 Amp ESC

Model: Skywalker-30AOutput power: constant current 30A, 40A Burst (not more than 10 seconds)Power in..

R280.00 Ex Tax: R243.48

Skywalker 80 Amp ESC

Skywalker 80 Amp ESC

1 Specification1.1 Output: Continuous 80A, Burst 100A up to 10 seconds.1.2 Input Voltage: 2-6S Lipo,..

R564.00 Ex Tax: R490.43

Skywalker 20 Amp ESC

Skywalker 20 Amp ESC

1 SpecificationOutput: Continuous 20A, Burst 25A up to 10 Secs.Input Voltage: 2-3S lipo BEC: Li..

R202.00 Ex Tax: R175.65

HobbyWing FLYFUN 160A HV OPTO V5 Brushless ESC

HobbyWing FLYFUN 160A HV OPTO V5 Brushless ESC

160A HV OPTO V5130A HV OPTO V5p/n3020165030201500Cont./Peak Current160A/200A130A..

R2,496.00 Ex Tax: R2,170.43

Hobbywing 5V 3A UBEC Step-Down Converter

Hobbywing 5V 3A UBEC Step-Down Converter

UBEC's (Universal Battery Eliminator Circuit's) are simply DC to DC step down voltage regulator..

R129.00 Ex Tax: R112.17

Turnigy 8A - 15A 5V/6V UBEC Voltage Regulator

Turnigy 8A - 15A 5V/6V UBEC Voltage Regulator

Power your receiver and servos with the baddest of UBEC power solutions.The all ..

R298.00 Ex Tax: R259.13

Hobbywing UBEC 10A (2-6S)

Hobbywing UBEC 10A (2-6S)

The UBEC is an external switching mode DC-DC regulator; it draws the DC voltage from 2-6S Lipo batt..

R588.00 Ex Tax: R511.30

Lipo Regulator - 5amp 6Volt

Lipo Regulator - 5amp 6Volt

Lipo Regulator - 5amp 6VoltThis great little unit allows the use of any battery from 7 to 25 volts t..

R139.00 Ex Tax: R120.87

Tags: Electric, motor, emax

Latest

Flex - AURA 8 AFCS - OPEN STOCK

Flex - AURA 8 AFCS - OPEN STOCK

The Aura 8 is the an advanced flight control system for fixed wing aircraft. It Is very lightweight ..

R1,659.00 Ex Tax: R1,442.61

Tools - Norbar Torque Wrench TTi20

Tools - Norbar Torque Wrench TTi20

One of THE most vital tools in your toolbox if you are serious about big gas motors - no Prop on any..

R1,825.00 Ex Tax: R1,586.96

tools - Straight nose Hemostat

tools - Straight nose Hemostat

tools - Straight nose Hemostat..

R135.00 Ex Tax: R117.39

Emax - GT2215/09 motor 1180Kv Brushless Motor

Emax - GT2215/09 motor 1180Kv Brushless Motor

Features:EMAX GT Series Motor:- Easy to revert output shaft direction;- Adopts 0.2mm silicon steel, ..

R379.00 Ex Tax: R329.57

Emax - GT2210/09 motor 1780Kv Brushless Motor

Emax - GT2210/09 motor 1780Kv Brushless Motor

Features:Features:EMAX GT Series Motor:- Easy to revert output shaft direction;- Adopts 0.2mm silico..

R339.00 Ex Tax: R294.78

EMAX GT2218-10 1000kv Brushless Motor

EMAX GT2218-10 1000kv Brushless Motor

Brushless motor (outrunner).Brand: EMaxModel: GT 2218/10Kv: 1000For Number of Lipocells: 2 - 3Max Wa..

R451.00 Ex Tax: R392.17