EMAX E3 Series 2808

EMAX E3 Series 2808
Image: racedayquads.com
Stator2808
KV options1300, 1500
Weight53.6 g
ShaftM5
Max cells3-6S
Dimensions34.8x37 mm
Mount19x19mm
Max thrust2640 g
Price (approx.)28.99 USD

At 53.6 g it is 7.9 g lighter than average across the 5 2808-class motors in our database (avg 61.5 g).

Best props for the E3 Series 2808

6"-7"

Thrust data (EMAX bench test)

KVPropBatteryThrottleCurrentRPMThrustEfficiency
1300 EMAX AVIA 7035-3 6S — 2.16 A 9140 300 g 5.51 g/W
1300 EMAX AVIA 7035-3 6S — 4.13 A 11850 515 g 4.95 g/W
1300 EMAX AVIA 7035-3 6S — 6.74 A 14240 740 g 4.36 g/W
1300 EMAX AVIA 7035-3 6S — 10.2 A 16730 1030 g 4.01 g/W
1300 EMAX AVIA 7035-3 6S — 14.8 A 19280 1350 g 3.62 g/W
1300 EMAX AVIA 7035-3 6S — 19.9 A 21410 1670 g 3.33 g/W
1300 EMAX AVIA 7035-3 6S — 26.3 A 23590 2010 g 3.03 g/W
1300 EMAX AVIA 7035-3 6S 100% 33.8 A — 2340 g 2.75 g/W
1500 EMAX AVIA 7040-3 6S — 2.7 A 10410 330 g 4.85 g/W
1500 EMAX AVIA 7040-3 6S — 5.63 A 13410 580 g 4.09 g/W
1500 EMAX AVIA 7040-3 6S — 8.9 A 16140 860 g 3.83 g/W
1500 EMAX AVIA 7040-3 6S — 14.1 A 18790 1220 g 3.43 g/W
1500 EMAX AVIA 7040-3 6S — 20.7 A 21200 1610 g 3.09 g/W
1500 EMAX AVIA 7040-3 6S — 29.3 A 23380 2020 g 2.74 g/W
1500 EMAX AVIA 7040-3 6S — 39.8 A 25310 2330 g 2.32 g/W
1500 EMAX AVIA 7040-3 6S 100% 52.3 A — 2640 g 2.0 g/W

Manufacturer bench figures (6S, EMAX AVIA 7040-3, 100% throttle, 1500KV; manufacturer payload test, 8 load points per KV, 6S); real-world thrust varies with ESC, battery sag and prop condition.

Thrust-to-weight with this motor

RPM & prop speed on this motor

Props in this motor's class

PropSizeBladesWeight
Gemfan Hurricane LR 6026-2 6.0x2.6 2 3.0 g
Gemfan Freestyle 6030 6.0x3.0 3 4.45 g
HQProp 6x4.3x2 6.0x4.3 2 4.7 g
Gemfan Flash 6042 6.0x4.2 2 4.82 g
APC 7x4 SF-B4 2-Blade 7.0x4.0 2 5.1 g

Where this data comes from

EMAX sells the E3 series as ECO III; weight 53.6-53.8 g w/o wire; 6-7 inch props