How to match an electric motor to an RC aircraft
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
T-Motor MN705-S IP45 Multirotor Fixed Wing UAV Motor KV125 2PCS/SET is a T-Motor catalog item in Civilian UAV Motors. Review the model details below and request compatibility and supply information for civilian use.
| Brand | T-Motor |
|---|---|
| Model | MN705-S IP45 Multirotor Fixed Wing UAV Motor KV125 2PCS/SET |
| Manufacturer SKU | AWD01010169 |
| 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 12SFLAME 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 V2.0FLAME 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) |
| KV | 125 | Rated Voltage ( Lipo ) | 12S |
| Idle Current(22V) | 1.4A | ESC Recommendation | FLAME 60A 12SFLAME 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 V2.0FLAME 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) |
| Type | Propeller | Throttle | Voltage (V) | Thrust(g) | Torque(N*m) | Current(A) | RPM | Power (W) | Effciency(g/W) | OperatingTemperature(℃) |
| MN705SKV125 | T-MOTORG26*8.5 | 40% | 47.83 | 2452 | 0.86 | 4.50 | 2271 | 215 | 11.39 | 74(AmbientTemperature: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 | |||
| MN705SKV125 | T-MOTORG27*8.8 | 40% | 47.81 | 2639 | 0.97 | 4.70 | 2238 | 225 | 11.74 | 85(AmbientTemperature: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 | |||
| MN705SKV140 | T-MOTORG26*8.5 | 40% | 47.91 | 2427 | 0.75 | 4.76 | 2221 | 228 | 10.64 | 96(AmbientTemperature: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 | |||
| MN705SKV140 | T-MOTORG27*8.8 | 40% | 47.87 | 2757 | 0.88 | 5.33 | 2195 | 255 | 10.80 | HOT(AmbientTemperature: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 | |||
| MN705SKV260 | T-MOTORG26*8.5 | 40% | 23.64 | 2107 | 0.71 | 8.30 | 2107 | 196 | 10.74 | 64(AmbientTemperature: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 |
Availability, price, package contents and hardware revision are confirmed on inquiry. This listing does not assert local stock, a delivery date or official distributor status. Confirm voltage, connectors, firmware and operating requirements before use.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
Diameter, pitch, motor load, current measurement and how propeller choice changes thrust, speed, efficiency and heat.
ESC selection by maximum current, voltage, BEC, safety margin, cooling, connector choice and the real load from motor and propeller.
A step-by-step safety guide for measuring amps, watts and voltage sag so customers avoid overheating motors, ESCs and LiPo batteries.
A safety and performance guide to propeller balance, spinner fit, bent shafts, motor mounts, firewall checks and protecting electronics from vibration.
Tags: T-Motor, AWD01010169
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