Q: What is the AT2814 motor designed for?

A: It is designed for 3D aerobatic, F3A and medium fixed-wing aircraft.

Q: Which aircraft is it suitable for?

A: It is ideal for 1.3–1.4kg fixed-wing models and UAV platforms.

Q: What is the advantage of the long shaft design?

A: It makes large propeller installation easier and improves mounting flexibility.

Q: Which KV version should I choose?

A: KV900 is smoother, KV1050 is balanced, and KV1200 provides faster response.

Q: What battery does it support?

A: It supports 3–4S LiPo batteries.

Q: Is it suitable for 3D hovering flight?

A: Yes, its high torque design provides strong low-speed thrust.

Q: Can it be used for F3A competition?

A: Yes, it is designed for F3A style fixed-wing aircraft.

Q: What propellers are recommended?

A: T12×6 and T13×6.5 propellers are recommended.

Q: What ESC should I use?

A: A 40A–55A ESC is recommended depending on the setup.

Q: Is it beginner friendly?

A: It is better suited for intermediate and advanced fixed-wing pilots.

Q: Does it provide stable power output?

A: Yes, it is designed for consistent performance during high-load flight.

Q: Is it suitable for FPV drones?

A: No, it is designed for fixed-wing aircraft.

Q: What is the main advantage of this motor?

A: High torque, durability and smooth power delivery.

Q: Does it require special installation?

A: Standard fixed-wing mounting is required.

Q: Who should buy the AT2814?

A: Pilots building high-performance 3D or F3A fixed-wing aircraft.

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-kv900

New

T-MOTOR AT2814 3D F3A Fixed Wing Long Shaft Brushless Motor

About T-MOTOR AT2814 3D F3A Fixed Wing Long Shaft Brushless Motor:

T-MOTOR AT2814 3D F3A fixed wing long shaft brushless motor is designed for 3D aerobatic, F3A, and UAV fixed-wing aircraft, delivering high torque, efficient power output, and reliable flight performance. Available in KV900, KV1050, and KV1200 versions, it supports 3-4S LiPo batteries and provides up to 800W power output with a maximum thrust of 2.6kg, making it suitable for 1.3-1.4kg aircraft. Featuring high-temperature resistant enameled wire, precision curved magnets, durable bearings, and a robust long-shaft structure, the AT2814 ensures smooth operation, excellent durability, and stable control for demanding fixed-wing applications.

T-MOTOR

$18 Off Orders $249+

$12 Off Orders $159+

Collect

$ 49.99

5.0 | 0Sold

Options (3)

Quantity

Free Shipping Over $79 | Save on Orders $79+
24-Month Warranty | 2 Years Full Protection
30-Day Returns From Shipment | 7-Day No-Reason Returns
24h Support Response | 24h Fast Support Guarantee

Top highlights

Designed for 3D aerobatic and F3A fixed-wing aircraft with smooth power delivery
Long shaft design provides flexible propeller installation for fixed-wing applications
Available in KV900, KV1050, and KV1200 options for different flight requirements
High-efficiency magnetic design delivers strong torque and stable performance
Durable construction ensures reliable operation during demanding aerobatic flights

Payment | Every order you place with us is safe & secure

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-show

AT2814 Highlights:

● Robust body &release freely

● Military-grade wire & more durable

● Anti-stripping design safety assurance

● High torque and more durable

Matching Guide:

AT40A ESC / AT55A ESC

T12*6 Propeller / T13*6.5 Propeller

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-upgraded

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-design

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-durablity

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-safety

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-cooling

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-3-bearing

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-mounting

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-second-generation

Technical Drawing

t-motor-at2814-3d-f3a-fixed-wing-long-shaft-brushless-motor-drawing

Specification

ITEM: Long ShaftKV900
Motor Dimensions	Φ35.2*54.5mm	Weight (Incl. Cable)	108g
Lead	Enameled Wire 100mm	Internal Resistance	82mΩ
Shaft Diameter	IN: 5mm OUT: 5mm	Configuration	12N14P
Idle Current (10V)	1.2A	Rated Voltage (Lipo)	3-4S
Max Power (180S)	650W	Peak Current (180s)	45A

ITEM: Long ShaftKV1050
Motor Dimensions	Φ35.2*54.5mm	Weight (Incl. Cable)	107g
Lead	Enameled Wire 100mm	Internal Resistance	35mΩ
Shaft Diameter	IN: 5mm OUT: 5mm	Configuration	12N14P
Idle Current (10V)	1.5A	Rated Voltage (Lipo)	3-4S
Max Power (180S)	700W	Peak Current (180s)	50A

ITEM: Long ShaftKV1200 <table style="width:100%;border-collapse:collapse;border:1px solid #ddd;text-align:left;"> <tbody> <tr class="firstRow"> <th style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Specification</span> </th> <th style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Parameter</span> </th> <th style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Specification</span> </th> <th style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Parameter</span> </th> </tr> <tr> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Motor Dimensions</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Φ35.2*54.5mm</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Weight (Incl. Cable)</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">108g</span> </td> </tr> <tr> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Lead</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Enameled Wire 100mm</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Internal Resistance</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">26mΩ</span> </td> </tr> <tr> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Shaft Diameter</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">IN: 5mm<br>OUT: 5mm</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Configuration</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">12N14P</span> </td> </tr> <tr> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Idle Current (10V)</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">1.8A</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Rated Voltage (Lipo)</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">3-4S</span> </td> </tr> <tr> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Max Power (180S)</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">800W</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">Peak Current (180s)</span> </td> <td style="border:1px solid #ddd;padding:10px;"> <span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">55A</span> </td> </tr> </tbody> </table>
Motor Dimensions	Φ35.2*54.5mm	Weight (Incl. Cable)	108g
Lead	Enameled Wire 100mm	Internal Resistance	26mΩ
Shaft Diameter	IN: 5mm OUT: 5mm	Configuration	12N14P
Idle Current (10V)	1.8A	Rated Voltage (Lipo)	3-4S
Max Power (180S)	800W	Peak Current (180s)	55A

TEST DATA

Test Parameter - AT2814 Long Shaft KV900

Type	Propeller	Throttle	Voltage (V)	Current (A)	Power (W)	RPM	Torque (N*m)	Thrust (g)	Efficiency (g/W)	Operating Temperature (℃)
AT2814 Long Shaft KV900	APC 10*5.5	40%	15.20	7.85	119.32	6850	0.112	710	5.95	93 (Ambient Temperature: /)
		45%	15.17	9.12	138.35	7215	0.125	798	5.77
		50%	15.14	10.63	160.97	7580	0.140	892	5.54
		55%	15.10	12.18	183.92	7925	0.156	985	5.36
		60%	15.06	13.92	209.64	8290	0.171	1082	5.16
		65%	15.02	15.80	237.32	8655	0.188	1185	4.99
		70%	14.97	17.95	268.71	9020	0.205	1296	4.82
		75%	14.91	20.30	302.67	9385	0.224	1415	4.68
		80%	14.85	23.12	343.33	9750	0.245	1542	4.49
		85%	14.78	26.45	390.99	10120	0.268	1685	4.31
		90%	14.70	30.18	443.65	10500	0.292	1836	4.14
		95%	14.62	34.25	500.74	10885	0.318	1995	3.98
		100%	14.55	38.60	561.81	11270	0.345	2160	3.84
	APC 11*5.5	40%	15.18	8.45	128.27	6405	0.130	825	6.43	93 (Ambient Temperature: /)
		45%	15.15	10.02	151.80	6780	0.148	940	6.19
		50%	15.11	11.85	179.05	7155	0.167	1060	5.92
		55%	15.07	13.78	207.67	7520	0.187	1185	5.71
		60%	15.02	16.05	241.07	7890	0.208	1320	5.48
		65%	14.97	18.62	278.74	8260	0.230	1465	5.26
		70%	14.91	21.50	320.60	8630	0.254	1618	5.05
		75%	14.84	24.85	368.97	9000	0.279	1780	4.82
		80%	14.76	28.90	426.56	9370	0.306	1952	4.58
		90%	14.60	37.80	551.88	10050	0.365	2310	4.18
		100%	14.52	41.25	599.13	10320	0.388	2465	4.11
	APC 12*6	40%	11.42	6.35	72.52	4620	0.098	605	8.34	68 (Ambient Temperature: /)
		45%	11.39	7.68	87.48	4955	0.113	698	7.98
		50%	11.36	9.05	102.76	5230	0.128	790	7.69
		55%	11.32	10.62	120.22	5505	0.144	885	7.36
		60%	11.28	12.45	140.38	5820	0.161	990	7.05
		65%	11.24	14.58	163.88	6135	0.180	1105	6.74
		70%	11.19	17.02	190.51	6450	0.200	1230	6.46
		75%	11.14	19.85	221.10	6765	0.222	1365	6.17
		80%	11.08	23.10	255.95	7080	0.245	1510	5.90
		90%	10.96	30.25	331.54	7640	0.288	1785	5.38
		100%	10.90	33.40	364.06	7855	0.305	1880	5.16
	APC 13*6.5	40%	11.42	6.58	75.14	4125	0.110	645	8.58	82 (Ambient Temperature: /)
		45%	11.39	8.02	91.35	4430	0.128	740	8.10
		50%	11.35	9.65	109.53	4720	0.147	845	7.71
		55%	11.30	11.48	129.72	5010	0.167	955	7.36
		60%	11.25	13.62	153.23	5300	0.189	1075	7.01
		65%	11.20	16.05	179.76	5590	0.212	1205	6.70
		70%	11.14	18.90	210.55	5880	0.237	1345	6.39
		75%	11.08	22.15	245.42	6170	0.263	1495	6.09
		80%	11.02	25.80	284.32	6460	0.290	1655	5.82
		90%	10.88	33.45	363.94	7015	0.338	1920	5.28
		100%	10.82	37.20	402.50	7200	0.358	2025	5.03
Note: Motor temperature is motor surface temperature at 100% throttle running 5mins. (Data above based on benchtest are for reference only, comparison with that of other motor types is not recommended.)

<span style="font-family: arial, helvetica, sans-serif;">Test Parameter - AT2814 Long Shaft KV1050</span>

Type	Propeller	Throttle	Voltage (V)	Current (A)	Power (W)	RPM	Torque (N*m)	Thrust (g)	Efficiency (g/W)	Operating Temperature (℃)
AT2814 Long Shaft KV1050	APC 10 * 5.5	40%	15.15	8.71	131.99	7022	0.127	801	6.07	78 (Ambient Temperature: /)
		45%	15.12	10.45	157.93	7441	0.145	916	5.80
		50%	15.09	11.87	179.20	7764	0.160	1008	5.63
		55%	15.06	13.90	209.37	8182	0.180	1128	5.39
		60%	15.03	15.62	234.80	8511	0.197	1219	5.19
		65%	14.99	17.82	267.21	8876	0.214	1347	5.04
		70%	14.95	20.20	302.00	9332	0.232	1452	4.81
		75%	14.90	23.42	348.93	9763	0.261	1625	4.66
		80%	14.83	27.59	409.06	10268	0.291	1802	4.41
		90%	14.67	36.92	541.62	11133	0.352	2169	4.00
		100%	14.62	39.83	582.49	11297	0.370	2274	3.90
	APC 11 * 5.5	40%	15.14	9.26	140.21	6563	0.143	904	6.45	93 (Ambient Temperature: /)
		45%	15.11	11.13	168.14	6954	0.165	1033	6.14
		50%	15.07	13.12	197.78	7323	0.186	1158	5.85
		55%	15.04	15.13	227.55	7678	0.207	1287	5.66
		60%	14.99	17.70	265.35	8058	0.230	1430	5.39
		65%	14.94	20.90	312.22	8455	0.260	1600	5.13
		70%	14.89	23.91	356.01	8829	0.285	1749	4.91
		75%	14.81	28.74	425.55	9298	0.325	1979	4.65
		80%	14.73	33.27	490.09	9708	0.360	2172	4.43
		90%	14.57	43.03	627.03	10384	0.421	2503	3.99
		100%	14.52	46.09	669.24	10518	0.437	2553	3.82
	APC 12 * 6	40%	11.39	6.82	77.66	4719	0.105	632	8.13	57 (Ambient Temperature: /)
		45%	11.37	8.28	94.08	5080	0.122	727	7.73
		50%	11.34	9.72	110.24	5359	0.138	823	7.46
		55%	11.31	11.36	128.45	5639	0.153	915	7.12
		60%	11.28	13.38	150.96	5984	0.173	1036	6.87
		65%	11.24	15.83	177.87	6329	0.195	1169	6.57
		70%	11.19	18.58	207.95	6667	0.219	1309	6.29
		75%	11.14	21.79	242.75	6992	0.245	1464	6.03
		80%	11.07	25.81	285.74	7372	0.275	1632	5.71
		90%	10.95	32.90	360.35	7923	0.319	1894	5.26
		100%	10.90	36.08	393.28	8146	0.338	1988	5.05
	APC 13 * 6.5	40%	11.39	7.08	80.66	4188	0.119	672	8.33	79 (Ambient Temperature: /)
		45%	11.36	8.63	98.04	4503	0.140	770	7.86
		50%	11.33	10.53	119.33	4832	0.160	886	7.43
		55%	11.28	13.32	150.26	5216	0.189	1052	7.00
		60%	11.24	16.03	180.13	5569	0.215	1199	6.66
		65%	11.18	19.35	216.34	5921	0.245	1363	6.30
		70%	11.12	23.02	255.89	6264	0.272	1516	5.92
		75%	11.06	26.36	291.60	6526	0.299	1665	5.71
		80%	11.00	30.04	330.47	6781	0.323	1804	5.46
		90%	10.86	38.58	419.08	7283	0.379	2097	5.00
		100%	10.80	42.37	457.66	7430	0.399	2196	4.80
Note: Motor temperature is motor surface temperature at 100% throttle running 3mins. (Data above based on benchtest are for reference only, comparison with that of other motor types is not recommended.)

Test Parameter - AT2814 Long Shaft KV1200

Type	Propeller	Throttle	Voltage (V)	Current (A)	Power (W)	RPM	Torque (N*m)	Thrust (g)	Efficiency (g/W)	Operating Temperature (℃)
AT2814 Long Shaft KV1200	APC 9*6	40%	15.18	7.82	118.71	8305	0.098	630	5.31	85 (Ambient Temperature: /)
		45%	15.16	9.15	138.71	8682	0.110	711	5.13
		50%	15.13	10.62	160.66	9078	0.122	798	4.97
		55%	15.10	12.35	186.49	9485	0.137	892	4.78
		60%	15.07	14.08	212.18	9876	0.150	982	4.63
		65%	15.04	16.20	243.65	10298	0.165	1089	4.47
		70%	15.00	18.63	279.45	10752	0.180	1203	4.30
		75%	14.96	21.05	314.91	11198	0.196	1325	4.21
		80%	14.91	24.32	362.61	11687	0.213	1468	4.05
		85%	14.86	27.58	409.82	12168	0.230	1602	3.91
		90%	14.80	31.25	462.50	12654	0.248	1758	3.80
		95%	14.75	35.12	518.02	13123	0.265	1896	3.66
		100%	14.70	38.90	571.83	13582	0.282	2034	3.56
	APC 10*5.5	40%	15.22	9.35	142.31	7623	0.135	845	5.94	97 (Ambient Temperature: /)
		45%	15.19	11.08	168.31	8012	0.152	956	5.68
		50%	15.16	13.15	199.35	8456	0.171	1089	5.46
		55%	15.13	15.42	233.38	8897	0.191	1223	5.24
		60%	15.09	17.86	269.51	9345	0.212	1368	5.08
		65%	15.05	20.75	312.29	9823	0.234	1523	4.88
		70%	15.01	23.92	359.13	10298	0.257	1689	4.70
		75%	14.96	27.68	414.09	10765	0.282	1865	4.50
		80%	14.91	31.85	474.58	11254	0.308	2052	4.32
		90%	14.80	41.23	610.20	12218	0.360	2423	3.97
		100%	14.75	45.60	672.60	12687	0.382	2589	3.85
	APC 10*5.5	40%	11.42	6.58	75.13	5687	0.085	523	6.96	66 (Ambient Temperature: /)
		50%	11.38	9.45	107.54	6432	0.110	712	6.62
		60%	11.34	12.86	145.83	7123	0.135	903	6.19
		70%	11.29	17.23	194.57	7856	0.162	1124	5.77
		80%	11.24	22.58	253.80	8567	0.190	1356	5.34
	APC 11*5.5	40%	15.20	10.56	160.51	6985	0.158	965	6.01	82 (Ambient Temperature: /)
		45%	15.17	12.83	194.63	7398	0.179	1102	5.66
		50%	15.14	15.12	228.92	7789	0.200	1245	5.44
		55%	15.10	17.86	269.73	8198	0.223	1398	5.18
		60%	15.06	20.75	312.50	8612	0.246	1556	4.98
		65%	15.02	24.13	362.39	9045	0.271	1723	4.75
		70%	14.97	27.86	417.09	9487	0.297	1905	4.57
		75%	14.92	31.92	476.25	9932	0.324	2098	4.41
		80%	14.86	36.45	541.62	10387	0.352	2302	4.25
		90%	14.73	46.82	689.66	11356	0.410	2712	3.93
		100%	14.68	51.30	753.08	11823	0.435	2896	3.84
Note: Motor temperature is motor surface temperature at 100% throttle running 3mins. (Data above based on benchtest are for reference only, comparision with that of other motor types is not recommended.)

Packing List Includes:

1x T-MOTOR AT2814 Motor

1x Hardware pack

FAQ Feel free to ask us any questions

Q: What is the AT2814 motor designed for?: A: It is designed for 3D aerobatic, F3A and medium fixed-wing aircraft.
Q: Which aircraft is it suitable for?: A: It is ideal for 1.3–1.4kg fixed-wing models and UAV platforms.
Q: What is the advantage of the long shaft design?: A: It makes large propeller installation easier and improves mounting flexibility.
Q: Which KV version should I choose?: A: KV900 is smoother, KV1050 is balanced, and KV1200 provides faster response.
Q: What battery does it support?: A: It supports 3–4S LiPo batteries.