TMotor MN705-S IP45 Multirotor Fixed Wing UAV Motor (KV125 / KV140 / K

About T-MOTOR Navigator MN705-S Multirotor Fixed Wing UAV Motor KV125

T-MOTOR MN705-S is a high-performance brushless motor designed for demanding industrial applications. Featuring a robust, enclosed design with IP45 water resistance, it excels in harsh environments. Its advanced cooling system, including a centrifugal fan and optimized heat dissipation, ensures reliable operation under heavy loads.With a maximum thrust of 13.4kg and a long MTBF, the MN705-S is the ideal choice for a wide range of UAV applications, from aerial photography to heavy-lift operations.

Navigator MN705-S Highlights:

Max thrust: 13.4kg
MTBF: About 1000hours
Features: Excellent cooling performance; Dust-resistance/Waterproof/Anti-corrosion; Heavy Payload Long Flight Time

Technical Drawing

Specification

Motor Size	Φ79.2*42.4mm	Copper Wire	220℃ high temperature resistance: Level C
Stator	Imported silicon steel sheet; Anti-rust treatment; 180°Chigh temperature-resisting coatings	Coil Insulation Test	500V
Configuration	24N28P	Centrifugal Cooling Design	YES
Shaft Diameter	IN：8mm，OUT：8mm	Rotor Dynamic Balance Standard	≤5Mg
Bearing	Imported 608ZZ	Motor Dynamic Balance Standard	≤10Mg
Magnet Level	150℃ high temperature resistance	IP	IP45
Lead Cable	14AWG*150mm

KV	125	Rated Voltage ( Lipo )	12S
Idle Current(22V)	1.4A	ESC Recommendation	FLAME 60A 12S FLAME 80A 12S V2.0
Peak Current(180s)	45A	Propeller Recommendation	26-27"
Max.Power(180s)	2200W	Motor Weight (indl. Cable)	450g
Internal Resistance	63mΩ	Package Weight	1250g(2PCS/SET)

KV	140	Rated Voltage ( Lipo )	12S
Idle Current(22V)	1.5A	ESC Recommendation	FLAME 80A 12S V2.0 FLAME 100A 14S
Peak Current(180s)	58A	Propeller Recommendation	26-27"
Max.Power(180s)	2800W	Motor Weight (indl. Cable)	475g
Internal Resistance	45mΩ	Package Weight	700g(1PCS/SET)

KV	260	Rated Voltage ( Lipo )	6S
Idle Current(22V)	2.8A	ESC Recommendation	FLAME 100A 6S
Peak Current(180s)	80A	Propeller Recommendation	26-27"
Max.Power(180s)	2000W	Motor Weight (indl. Cable)	450g
Internal Resistance	16mΩ	Package Weight	1250g(2PCS/SET)

Test Data

Type	Propeller	Throttle	Voltage (V)	Thrust (g)	Torque (N*m)	Current (A)	RPM	Power (W)	Effciency (g/W)	Operating Temperature (℃)
MN705S KV125	T-MOTOR G26*8.5	40%	47.83	2452	0.86	4.50	2271	215	11.39	74 (Ambient Temperature: 34.5℃)
		42%	47.81	2646	0.92	4.90	2355	234	11.29
		44%	47.78	2814	0.98	5.30	2426	253	11.11
		46%	47.77	3100	1.05	6.00	2529	287	10.82
		48%	47.74	3254	1.13	6.50	2588	310	10.49
		50%	47.72	3538	1.20	7.30	2694	348	10.16
		52%	47.69	3757	1.26	7.90	2798	377	9.97
		54%	47.67	3925	1.34	8.50	2857	405	9.69
		56%	47.64	4271	1.42	9.50	2957	453	9.44
		58%	47.60	4471	1.52	10.30	3030	490	9.12
		60%	47.58	4835	1.59	11.70	3156	557	8.69
		62%	47.55	5049	1.67	12.40	3212	590	8.56
		64%	47.51	5222	1.76	13.10	3284	622	8.39
		66%	47.48	5460	1.84	13.90	3357	660	8.27
		68%	47.45	5672	1.91	14.80	3431	702	8.08
		70%	47.41	5851	2.02	15.60	3504	740	7.91
		75%	47.33	6472	2.16	18.30	3684	866	7.47
		80%	47.21	7103	2.41	20.60	3841	973	7.30
		90%	46.97	8361	2.87	26.80	4118	1259	6.64
		100%	46.72	10251	3.29	36.40	4518	1701	6.03
MN705S KV125	T-MOTOR G27*8.8	40%	47.81	2639	0.97	4.70	2238	225	11.74	85 (Ambient Temperature: 34.5℃)
		42%	47.79	2871	1.03	5.30	2326	253	11.33
		44%	47.76	2980	1.09	5.80	2400	277	10.76
		46%	47.74	3167	1.16	6.20	2466	296	10.70
		48%	47.71	3452	1.25	6.90	2512	329	10.49
		50%	47.69	3610	1.30	7.50	2644	358	10.09
		52%	47.66	3940	1.38	8.50	2746	405	9.73
		54%	47.64	4224	1.46	9.40	2840	448	9.43
		56%	47.61	4401	1.54	10.10	2907	481	9.15
		58%	47.57	4700	1.63	10.90	2998	519	9.06
		60%	47.53	4932	1.74	11.70	3059	556	8.87
		62%	47.50	5300	1.83	13.20	3119	627	8.45
		64%	47.47	5502	1.91	13.90	3232	660	8.34
		66%	47.43	5788	2.00	15.00	3306	711	8.14
		68%	47.39	6106	2.08	16.20	3397	768	7.95
		70%	47.34	6275	2.18	17.00	3445	805	7.80
		75%	47.24	7066	2.42	19.90	3615	940	7.52
		80%	47.12	7710	2.65	22.80	3772	1074	7.18
		90%	46.88	9247	3.08	30.10	4107	1411	6.55
		100%	46.60	10977	3.53	40.00	4480	1864	5.89
MN705S KV140	T-MOTOR G26*8.5	40%	47.91	2427	0.75	4.76	2221	228	10.64	96 (Ambient Temperature: 5℃)
		42%	47.91	2665	0.83	5.28	2318	253	10.53
		44%	47.89	2818	0.88	5.81	2391	278	10.13
		46%	47.87	3020	0.95	6.53	2472	313	9.66
		48%	47.87	3201	0.99	6.98	2549	334	9.58
		50%	47.86	3416	1.07	7.63	2630	365	9.36
		52%	47.85	3630	1.14	8.20	2728	392	9.25
		54%	47.80	4043	1.26	9.84	2863	470	8.60
		56%	47.80	4319	1.35	10.59	2952	506	8.53
		58%	47.80	4593	1.44	11.40	3044	545	8.43
		60%	47.77	4946	1.56	12.58	3154	601	8.23
		62%	47.73	5258	1.64	13.93	3254	665	7.91
		64%	47.72	5569	1.75	15.13	3350	722	7.72
		66%	47.69	5874	1.83	16.35	3441	780	7.53
		68%	47.67	6194	1.93	17.62	3537	840	7.38
		70%	47.64	6572	2.05	19.23	3629	916	7.17
		75%	47.56	7374	2.29	22.76	3835	1082	6.81
		80%	47.49	8339	2.57	27.02	4051	1283	6.50
		90%	47.31	10221	3.13	36.83	4468	1742	5.87
		100%	47.12	12225	3.72	48.48	4860	2284	5.35
MN705S KV140	T-MOTOR G27*8.8	40%	47.87	2757	0.88	5.33	2195	255	10.80	HOT (Ambient Temperature: 5℃)
		42%	47.85	3003	0.96	6.00	2289	287	10.46
		44%	47.85	3154	1.02	6.55	2363	313	10.07
		46%	47.83	3364	1.08	7.30	2437	349	9.63
		48%	47.82	3615	1.16	7.90	2516	378	9.57
		50%	47.82	3797	1.22	8.42	2581	403	9.43
		52%	47.79	4076	1.31	9.42	2673	450	9.05
		54%	47.76	4458	1.44	10.70	2790	511	8.73
		56%	47.74	4781	1.53	11.76	2887	561	8.52
		58%	47.71	5078	1.64	13.06	2973	623	8.15
		60%	47.69	5457	1.75	14.44	3086	689	7.92
		62%	47.68	5924	1.91	15.95	3207	761	7.79
		64%	47.64	6224	2.01	17.26	3292	822	7.57
		66%	47.63	6572	2.12	18.48	3377	880	7.47
		68%	47.60	6902	2.21	19.98	3459	951	7.26
		70%	47.56	7349	2.36	21.78	3558	1036	7.09
		75%	47.49	8276	2.65	26.14	3764	1242	6.67
		80%	47.41	9252	2.96	30.83	3962	1462	6.33
		90%	47.21	11340	3.60	42.15	4363	1990	5.70
		100%	46.98	13459	4.25	55.40	4720	2603	5.17
MN705S KV260	T-MOTOR G26*8.5	40%	23.64	2107	0.71	8.30	2107	196	10.74	64 (Ambient Temperature: 34.5℃)
		42%	23.60	2319	0.76	9.40	2199	222	10.45
		44%	23.55	2511	0.84	10.40	2292	245	10.25
		46%	23.50	2743	0.91	11.60	2380	273	10.06
		48%	23.44	3027	0.98	13.10	2500	307	9.86
		50%	23.38	3283	1.06	14.80	2600	346	9.49
		52%	23.31	3589	1.16	16.50	2720	385	9.33
		54%	23.24	3826	1.23	18.30	2801	425	9.00
		56%	23.17	4090	1.32	20.20	2898	468	8.74
		58%	23.10	4334	1.39	22.00	2998	508	8.53
		60%	23.04	4601	1.46	24.10	3079	555	8.29
		62%	22.97	4853	1.54	26.20	3159	602	8.06
		64%	22.90	5110	1.61	27.90	3221	639	8.00
		66%	22.81	5342	1.70	29.50	3321	673	7.94
		68%	22.73	5602	1.79	31.90	3380	725	7.73
		70%	22.65	5860	1.87	34.70	3492	786	7.46
		75%	22.44	6430	2.06	39.70	3660	891	7.22
		80%	22.24	7041	2.25	45.90	3821	1021	6.90
		90%	21.73	8426	2.62	60.30	4165	1310	6.43
		100%	21.25	9720	2.91	77.10	4480	1638	5.93
MN705S KV260	T-MOTOR G27*8.8	40%	23.58	2177	0.83	8.70	2055	205	10.61	72 (Ambient Temperature: 34.5℃)
		42%	23.53	2439	0.89	9.80	2136	231	10.58
		44%	23.47	2559	0.96	10.80	2223	253	10.10
		46%	23.41	2871	1.04	12.60	2342	295	9.73
		48%	23.35	3077	1.12	13.80	2439	322	9.55
		50%	23.28	3382	1.20	15.70	2555	366	9.25
		52%	23.21	3677	1.27	17.30	2650	402	9.16
		54%	23.12	3921	1.37	19.40	2746	449	8.74
		56%	23.03	4273	1.46	22.00	2860	507	8.43
		58%	22.95	4538	1.55	23.90	2927	549	8.27
		60%	22.88	4837	1.62	26.20	3043	599	8.07
		62%	22.81	5117	1.70	28.00	3118	639	8.01
		64%	22.74	5382	1.78	30.30	3185	689	7.81
		66%	22.65	5597	1.88	32.00	3234	725	7.72
		68%	22.58	5919	1.95	34.60	3305	781	7.58
		70%	22.51	6114	2.03	36.90	3385	831	7.36
		75%	22.27	6803	2.24	43.30	3565	964	7.05
		80%	22.04	7542	2.41	50.60	3741	1115	6.76
		90%	21.48	8921	2.77	66.60	4050	1431	6.24
		100%	21.09	10173	3.09	83.00	4335	1750	5.81
Note: Motor temperature is motor surface temperature at 100% throttle running 10mins. (Date above based on benchtest are for reference only,comparion with that of other motor types is not recommended.)