Overview

The EMAX Pro Series PRO-2814 brushless motor is offered in 730KV and 830KV variants for 36S setups. It features a 12N14P framework, 4mm bearing shaft, and M5 threaded shaft, with 4 M3 mounting holes on a 19mm pattern.

Key Features

PRO-2814 series brushless motor with 730KV or 830KV options
36S support (spec-rated)
12N14P framework
4mm bearing shaft, M5 shaft thread
4 M3 mounting holes, 19mm mounting pattern
18AWG motor leads

Specifications

Mechanical / Drawing Dimensions

Model marking	PRO-2814
Motor diameter	33.2
Motor length (drawing)	46.45
Additional dimension (drawing)	39.55
Additional dimension (drawing)	17.5
Shaft thread	M5
Mounting	4-M3
Mounting pattern	19
Wire	18AWG
Wire length (drawing)	270

PRO-2814 730KV

KV	730
Motor Dimensions	33.246.45mm
Framework	12N14P
Bearing Shaft	4mm
Lead	18#AWG 250mm
Weight	79.5g (W/O Silicone Wire)
Idle Current (10V)	1.0A
Internal Resistance	78m
No. of cells	36S
Propeller	9″10″
Peak Current (6S)	48A
Max. Power (6S)	1209W

PRO-2814 830KV

KV	830
Motor Dimensions	33.246.45mm
Framework	12N14P
Bearing Shaft	4mm
Lead	18#AWG 250mm
Weight	79.5g (W/O Silicone Wire)
Idle Current (10V)	1.2A
Internal Resistance	62m
No. of cells	36S
Propeller	9″10″
Peak Current (6S)	63A
Max. Power (6S)	1587W

Performance Data (25.2V)

PRO-2814-730KV AVIA9045 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	1.8	290	45.36	6.39	4860
25.2	3.62	540	91.22	5.92	6290
25.2	6.42	840	161.78	5.19	7703
25.2	10.2	1180	257.04	4.59	9030
25.2	15.1	1550	380.52	4.07	10300
25.2	21.1	1930	531.72	3.63	11440
25.2	28.1	2310	708.12	3.26	12490
25.2	37	2760	932.40	2.96	Max

PRO-2814-730KV HQ 9050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	1.75	280	44.10	6.35	4880
25.2	3.6	520	90.72	5.73	6280
25.2	6.54	840	164.81	5.10	7670
25.2	10.5	1200	264.60	4.54	8960
25.2	15.7	1600	395.64	4.04	10190
25.2	22.1	2010	556.92	3.61	11290
25.2	29.5	2420	743.40	3.26	12290
25.2	39	2930	982.80	2.98	Max

PRO-2814-730KV AVIA1050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	2.18	370	54.94	6.74	4650
25.2	4.63	680	116.68	5.83	6040
25.2	8.25	1090	207.90	5.24	7340
25.2	13.1	1510	327.60	4.61	8520
25.2	19.1	1960	481.32	4.07	9630
25.2	26.5	2380	667.80	3.56	10620
25.2	35	2800	882.00	3.17	11500
25.2	46.6	3460	1174.32	2.95	Max

PRO-2814-730KV Gemfan1050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	1.96	320	49.39	6.48	4760
25.2	4.12	640	103.82	6.16	6160
25.2	7.44	1030	187.49	5.49	7500
25.2	11.8	1450	297.36	4.88	8720
25.2	17.5	1900	441.00	4.31	9890
25.2	24.5	2350	617.40	3.81	10890
25.2	32.6	2810	821.52	3.42	11800
25.2	43.4	3400	1093.68	3.11	Max

PRO-2814-730KV HQ 1050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	2.13	360	53.68	6.71	4660
25.2	4.62	690	116.42	5.93	6040
25.2	8.33	1070	209.92	5.10	7310
25.2	13.1	1490	330.12	4.51	8470
25.2	19.3	1940	486.36	3.99	9560
25.2	26.6	2380	670.32	3.55	10540
25.2	35.2	2820	887.04	3.18	11370
25.2	47.4	3450	1194.48	2.89	Max

PRO-2814-830KV AVIA9045 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	2.52	390	63.50	6.14	5430
25.2	5.12	690	129.02	5.35	7020
25.2	8.95	1050	225.54	4.66	8530
25.2	14.3	1460	360.36	4.05	10100
25.2	20.8	1900	524.16	3.62	11330
25.2	28.6	2300	720.72	3.19	12470
25.2	37.8	2710	952.56	2.84	13560
25.2	50.4	3250	1270.08	2.56	Max

PRO-2814-830KV Gemfan9045 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	2.2	280	55.44	5.05	5590
25.2	4.37	560	110.12	5.09	7190
25.2	7.73	940	194.80	4.83	8760
25.2	12.4	1350	312.48	4.32	10290
25.2	18.3	1750	461.16	3.79	11630
25.2	25.4	2180	640.08	3.41	12910
25.2	34.1	2650	859.32	3.08	14100
25.2	44.8	3190	1128.96	2.83	Max

PRO-2814-830KV HQ9050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	2.49	380	62.75	6.06	5440
25.2	5.13	700	129.28	5.41	7010
25.2	9.16	1080	230.83	4.68	8470
25.2	14.8	1520	372.96	4.08	9880
25.2	21.7	1970	546.84	3.60	11150
25.2	30.1	2410	758.52	3.18	12250
25.2	39.8	2880	1002.96	2.87	13270
25.2	52.7	3460	1328.04	2.61	Max

PRO-2814-830KV AVIA1050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	3.1	490	78.12	6.27	5190
25.2	6.53	880	164.56	5.35	6710
25.2	11.4	1340	287.28	4.66	8050
25.2	17.8	1830	448.56	4.08	9320
25.2	26.2	2330	660.24	3.53	10450
25.2	36	2800	907.20	3.09	11380
25.2	46.7	3300	1176.84	2.80	12230
25.2	62.4	4020	1572.48	2.56	Max

PRO-2814-830KV Gemfan1050 3-blade propeller

The voltage (V)	current (A)	thrust (G)	power (W)	efficiency (G/W)	speed (RPM)
25.2	2.77	460	69.80	6.59	5290
25.2	5.82	860	146.66	5.86	6850
25.2	10.2	1300	257.04	5.06	8250
25.2	16.5	1810	415.80	4.35	9590
25.2	24.2	2330	609.84	3.82	10770
25.2	33.4	2840	841.68	3.37	11760
25.2	44	3320	1108.80	2.99	12690
25.2	58.9	3980	1484.28	2.68	Max

For motor selection, setup, and compatibility questions (KV choice, prop range, and 36S matching), contact support@ or visit https:///.

Applications

RC multirotor and UAV power systems (36S)
Custom RC builds requiring 2814-size brushless motors

Details

Fitment details are easy to confirm with the PRO-2814 mechanical drawing, including motor diameter, overall length, shaft thread, and mounting pattern.

Performance data for the 730KV version compares thrust, current draw, RPM, and efficiency across several 3-blade prop options at 25.2V.

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EMAX Pro Series PRO-2814 Brushless Motor 730KV/830KV, 3-6S, 12N14P, 4mm Shaft, M5