Emax
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930KVVariant sold out or unavailable
1100KVVariant sold out or unavailable
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Overview EMAX ECOII-2812 brushless motor for RC drone and FPV racing builds, available in 930KV and 1100KV options. It supports 3-6S LiPo setups and uses an M5 threaded shaft with 18AWG motor leads.
Key Features
3-6S support (both KV variants)
12N14P framework
M5 shaft thread, 4 x M3 mounting pattern
18AWG motor wire, 250mm length
For compatibility questions (prop selection, mounting, ESC pairing), contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications Mechanical (ECOII-2812 series)
Motor dimensions
φ33.2 x 44.45mm
Diagram dimensions shown
44.45mm / 37.55mm / 17.5mm / 4.45mm
Shaft
M5 (threaded)
Mounting
4-M3, φ19
Framework
12N14P
Bearing shaft
4mm
Lead
18#AWG 250mm
Weight
72g (W/O Silicone Wire)
Electrical (KV930)
KV
930KV
No. of cells
3-6S
Idle current (10V)
1.4A
Internal resistance
59mΩ
Propeller
8"-9"
Peak current (6S)
62A
Max power (6S)
1550W
Electrical (KV1100)
KV
1100KV
No. of cells
3-6S
Idle current (10V)
1.8A
Internal resistance
48mΩ
Propeller
7"-8"
Peak current (6S)
68.2A
Max power (6S)
1718W
Performance Test Data ECOII-2812-930KV (25.2V) — Gemfan8060 3-blade propeller
The voltage (V)
Current (A)
Thrust (G)
Power (W)
Efficiency (G/W)
Speed (RPM)
25.2
2.6
300
65.52
4.58
6170
25.2
5.04
570
127.01
4.49
7920
25.2
8.8
900
221.76
4.06
9690
25.2
13.8
1250
347.76
3.59
11370
25.2
19.9
1610
501.48
3.21
12760
25.2
27.6
1950
695.52
2.80
14120
25.2
36.8
2400
927.36
2.59
15410
25.2
48.5
2850
1222.20
2.33
Max
ECOII-2812-930KV (25.2V) — HQ 8045 3-blade propeller
The voltage (V)
Current (A)
Thrust (G)
Power (W)
Efficiency (G/W)
Speed (RPM)
25.2
2.5
320
63.00
5.08
6200
25.2
4.88
570
122.98
4.64
7930
25.2
8.75
900
220.50
4.08
9680
25.2
14
1270
352.80
3.60
11310
25.2
20.6
1620
519.12
3.12
12700
25.2
28.5
1950
718.20
2.72
14020
25.2
38
2450
957.60
2.56
15180
25.2
50.5
2900
1272.60
2.28
Max
ECOII-2812-930KV (25.2V) — Emax Avia 9045 3-blade propeller
The voltage (V)
Current (A)
Thrust (G)
Power (W)
Efficiency (G/W)
Speed (RPM)
25.2
3.15
460
79.38
5.79
5840
25.2
6.53
810
164.56
4.92
7550
25.2
11.5
1220
289.80
4.21
9110
25.2
18.4
1660
463.68
3.58
10540
25.2
26.1
2100
657.72
3.19
11840
25.2
35
2500
882.00
2.83
12900
25.2
45.8
2800
1154.16
2.43
13820
25.2
62
3300
1562.40
2.11
Max
ECOII-2812-930KV (25.2V) — Gemfan9045 3-blade propeller
The voltage (V)
Current (A)
Thrust (G)
Power (W)
Efficiency (G/W)
Speed (RPM)
25.2
2.75
370
69.30
5.34
6020
25.2
5.6
700
141.12
4.96
7750
25.2
10
1100
252.00
4.37
9410
25.2
15.6
1520
393.12
3.87
10910
25.2
23
1960
579.60
3.38
12240
25.2
31.5
2400
793.80
3.02
13500
25.2
41.6
2830
1048.32
2.70
14560
25.2
56
3300
1411.20
2.34
Max
ECOII-2812-1100KV (25.2V) — Gemfan8040 3-blade propeller
The voltage (V)
Current (A)
Thrust (G)
Power (W)
Efficiency (G/W)
Speed (RPM)
25.2
3.15
380
79.38
4.79
7440
25.2
6.2
670
156.24
4.29
9550
25.2
11
1050
277.20
3.79
11540
25.2
17.1
1450
430.92
3.36
13340
25.2
25
1910
630.00
3.03
15080
25.2
34.9
2420
879.48
2.75
16770
25.2
46.3
2820
1166.76
2.42
17970
25.2
60.8
3320
1532.16
2.17
Max
ECOII-2812-1100KV (25.2V) — Emax Avia 8043 3-blade propeller
The voltage (V)
Current (A)
Thrust (G)
Power (W)
Efficiency (G/W)
Speed (RPM)
25.2
3.4
430
85.68
5.02
7320
25.2
6.7
730
168.84
4.32
9360
25.2
11.7
1100
294.84
3.73
11360
25.2
18.3
1470
461.16
3.19
13100
25.2
26.7
1900
672.84
2.82
14760
25.2
37
2330
932.40
2.50
16250
25.2
49.4
2600
1244.88
2.09
17420
25.2
68.2
2900
1718.64
1.69
Max
Applications
FPV racing and freestyle RC drone builds using 3-6S power systems
Custom multirotor projects requiring an ECOII-2812 class motor footprint (4-M3, φ19)
Details
