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 MN4112 Multi-Motor Fixed Wing UAV Motor KV320/KV420 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 | MN4112 Multi-Motor Fixed Wing UAV Motor KV320/KV420 |
| Manufacturer SKU | T-MOTOR001204 |
| Motor Size | Φ47.4*38.7mm | Stator | Imported silicon steel sheet; Anti-rust treatment;180℃ high temperature-resisting coatings |
| Configuration | 12N14P | Shaft Diameter | IN:6mm OUT:4 |
| Bearing | 686ZZ/696ZZ | Magnet Level | N45SH |
| Lead Cable | 16AWG*150mm | Copper Wire | 220℃ high temperature resistance: Level C |
| Coil Insulation Test | 500V/5s | Centrifugal Cooling Design | YES |
| Rotor Dynamic Balance Standard | ≤5Mg | ||
| KV | 320 | Rated Voltage (LiPo) | 6S |
| ldle Current(10V) | 1.1A | Propeller Recommendation | P15 17"/T16*8" |
| Peak Current (180s) | 40A | Motor Weight (Incl. Cable) | 172g |
| Max.Power (180s) | 910W | Package Weight | 275g |
| Internal Resistance | 94mΩ | ||
| KV | 420 | Rated Voltage (LiPo) | 6S |
| ldle Current(10V) | 1.4A | Propeller Recommendation | P15*5" |
| Peak Current (180s) | 54A | Motor Weight (Incl. Cable) | 172g |
| Max.Power (180s) | 1210W | Package Weight | 275g |
| Internal Resistance | 60mΩ | ||
| Fixed wing Recommendation | |||
| KV | MN4112 KV320 | Propeller | T16*8" |
| ESC | AT 75A 6S | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.1kg | MTOW (1 motor/2 motors) (kg) | 3.5/7kg |
| Multi-rotor/VTOL Recommendation | |||
| KV | MN4112 KV320 | Propeller | P15*5" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 0.8kg | MTOW (1 motor/2 motors) (kg) | 3.2kg |
| KV | MN4112 KV320 | Propeller | P16*5.4" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.0kg | MTOW (1 motor/2 motors) (kg) | 4.0kg |
| KV | MN4112 KV320 | Propeller | P17*5.8" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.25kg | MTOW (1 motor/2 motors) (kg) | 5.0kg |
| KV | MN4112 KV420 | Propeller | P15*5" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.25kg | MTOW (1 motor/2 motors) (kg) | 5.0kg |
| Note: For coaxial configurations, please consider a thrust loss of 25% | |||
| KV | 320 | Rated Voltage (LiPo) | 6S |
| ldle Current(10V) | 1.1A | Propeller Recommendation | P15 17"/T16*8" |
| Peak Current (180s) | 40A | Motor Weight (Incl. Cable) | 172g |
| Max.Power (180s) | 910W | Package Weight | 275g |
| Internal Resistance | 94mΩ |
| KV | 420 | Rated Voltage (LiPo) | 6S |
| ldle Current(10V) | 1.4A | Propeller Recommendation | P15*5" |
| Peak Current (180s) | 54A | Motor Weight (Incl. Cable) | 172g |
| Max.Power (180s) | 1210W | Package Weight | 275g |
| Internal Resistance | 60mΩ |
| Fixed wing Recommendation | |||
| KV | MN4112 KV320 | Propeller | T16*8" |
| ESC | AT 75A 6S | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.1kg | MTOW (1 motor/2 motors) (kg) | 3.5/7kg |
| Multi-rotor/VTOL Recommendation | |||
| KV | MN4112 KV320 | Propeller | P15*5" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 0.8kg | MTOW (1 motor/2 motors) (kg) | 3.2kg |
| KV | MN4112 KV320 | Propeller | P16*5.4" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.0kg | MTOW (1 motor/2 motors) (kg) | 4.0kg |
| KV | MN4112 KV320 | Propeller | P17*5.8" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.25kg | MTOW (1 motor/2 motors) (kg) | 5.0kg |
| KV | MN4112 KV420 | Propeller | P15*5" |
| ESC | FLAME 60A 12S V2.0 | Battery(LiPo) /Voltage | 6S(4.2V/pc)/22-25V |
| Thrust/motor(kg) | 1.25kg | MTOW (1 motor/2 motors) (kg) | 5.0kg |
| Note: For coaxial configurations, please consider a thrust loss of 25% | |||
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, T-MOTOR001204
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