T-Motor MN705-S KV125 IP45 Brushless UAV Motor for Multirotor VTOL Fixed Wing (2PCS/SET)

Overview

The T-Motor Navigator MN705-S KV125 is a brushless UAV motor for multirotor, VTOL, and fixed-wing platforms. It uses a semi-closed design with protection grade IP45, targeting reliable operation in dusty and wet outdoor environments while maintaining efficient ventilation.

For purchasing help or order confirmation (including set quantity), contact support at https://rcdrone.top/ or support@rcdrone.top.

Key Features

• Protection grade: IP45 with waterproof, dust-resistant, and anti-corrosion positioning.
• Cooling design: centrifugal fan design of bell cap actively cools the motor; grid-shaped inlet holes and fin design of motor base enlarge the heat dissipation area.
• Heat dissipation claim: heat dissipation performs 15% better than ordinary motors.
• High-temperature & overload resistance (stated): manual winding with special varnished wires of high temperature resistance; high-temperature resistance magnets employed for motor heat and overload resistance.
• Locking method: T shape shaft secured with a circlip and a screw to help prevent rotor looseness under high RPM and power (double security concept).
• Shaft & bearings (stated): 8 mm steel shaft and big bearings for impact resistance, stability and lifetime.
• Magnet design (stated): anti-high temperature curved magnets; motor performance improvement claim: 5%+.
• Performance highlights (provided): Max thrust 13.4 kg; MTBF about 1000 hours.

Specifications

Prop Installation Notes (stated)

• Integrated prop installation method
  • For prop below 22" (incl. 22"): M3*12 mm mounting screw*2; Dia 20*2.4 mm cover*1; M3*8 mm prop adapter installation screw*4; prop adapter*1. Note: accessories above require additional purchase.
  • For prop above 24" (incl. 24"): M3*14 mm mounting screw*4; Dia 30*3 mm cover*1; Dia 10-4*Dia 3-Dia 20 mm. Note: accessories above require additional purchase.
• Foldable prop installation method
  • For prop below 22" (incl. 22"): M3*12 mm mounting screw*2; M3*8 mm prop adapter installation screw*4; prop adapter*1. Note: accessories above require additional purchase.
  • For prop above 26" (incl. 26"): M4*10 mm motor mounting screw*4. Note: accessories above require additional purchase.

Simulation Data Shown

• Motor air flow simulated analyses: Temperature (K) scale shown from 462.36 down to 293.00, with labels: “Sectional drawing 1: Contour line”, “Sectional drawing 2: Contour line”, “Contour surface 1”.

Applications

• Aerial photography platforms
• Cargo drones
• Tethered platforms
• Mapping and inspection
• Multirotor, VTOL and fixed-wing UAVs

What’s Included

• 1x T-MOTOR MN705 motor (KV option mentioned; listing title specifies KV125)
• 1x Hardware pack

Note on quantity: the product title indicates “2PCS/SET”, while the provided packing list text specifies 1 motor + 1 hardware pack. Confirm the exact packing quantity with customer service before ordering.

Matching Guide

T-MOTOR G26*8.5 Prop / G27*8.8 Prop / Alpha 80A 12s

Details

The T-Motor MN705-S KV125 features a clean, compact motor body with IP45 marking for added environmental protection.

The motor’s bell-cap fan, grid-style inlet holes, and finned base are designed to promote airflow and heat dissipation.

Simulated airflow and temperature contours help visualize how heat and air move through the motor housing during operation.

T-Motor MN705S motor design is rated IP45 and emphasizes waterproof, dust-resistant, and anti-corrosion protection for tougher environments.

The MN705S uses a T-shape shaft secured with a circlip, washer, and screw to help prevent rotor loosening.

The MN705S uses an 8mm steel shaft and large bearings for a sturdy motor build and long service life.

Curved magnets with controlled spacing are used for performance optimization while keeping motor weight in mind.

Prop adapter hardware options include different M3 mounting screw lengths and covers for props below 22 inches or 24 inches and larger.

The foldable prop mounting guide lists the required screws and prop adapter setup for props below 22 inches and above 26 inches.

T-Motor MN705-S KV260 motors pair with an ALPHA 80A 12S ESC for a clean, high-current multirotor power setup.