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FT Radial 4030 510kv Monster Brushless Motor

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Boost your RC plane with Radial 4030 Monster! Integrated cooling, N52 magnets. Designed for larger Flite Test designs. Precision unmatched.

FT Radial 4030 510kv Monster Brushless Motor


The Flite Test Radial line of brushless motors are the perfect choice for a wide array of aircraft. These motors have been designed by the Flite Test team for top performance on Flite Test designs but also work great for replacement motors and custom projects. The Radial 4030 motor is designed for the new Monster line of Flite Test airplanes that require a larger size motor. It has been carefully designed and engineered to perform with every motor precision crafted within tight tolerances.


  • Incredible Thrust Output
  • Integrated Cooling Design allows for reduction of motor temps up to 30%
  • Highest Grade N52 Neodymium magnets
  • Genuine Japanese NMB Bearings
  • Dynamically Balanced
  • 32mm Extended Prop Shaft allows virtually any prop with 8mm hole.
  • Windings made from copper of high purity


  • KV: 510kV
  • WEIGHT: Approx. 375g with wires and bullets
  • Stator Diameter: 40mm
  • Stator Height: 30mm
  • Shaft Diameter: 8mm
  • Configuration: 12N14P
  • Motor Diameter: 49.5mm
  • Motor Height: 63.2mm
  • Rrecommeded Prop: 16-18" (6S)
  • Prop Adapter Shaft Thread: M8
  • Input Voltage: 3S-6S (12.6 - 22.2v)
  • Bullets: 4mm - Preinstalled

Package Includes

  • (1) FT Radial 4030 510kv Monster Brushless Motor
  • An excellent choice for 6S power on large models

    Posted by Joseph Martinez on 6th Sep 2021

    I really wasn't sure what I was getting into when I decided to mount this on my old 60" Extreme Flight Extra 300. It's a good deal heavier than the Hacker motor it was replacing, draws who knows how much current on who knows what prop, and the pre-drilled holes on the x-mount had to be drilled out quite a bit to fit the motor box blind nuts on the Extreme Flight. I had to significantly extend the ESC wires to mount the Talon 90 well inside the fuse to get it to balance properly with the heavier motor (without adding tail weight). That necessitated adding a 40mm fan onto the ESC, since it was overheating away from direct airflow of the prop. After installation, bench tests thankfully showed that the motor draws right around 90A at static WOT on a Xoar 18x8 with timing on the Talon 90 set to 4. Perfect.

    First few flights have been great. The plane is a bit slower now, but low speed handling is night-and-day better with much improved control authority post-stall. The 60" Extra now flies like a giant indoor 3D foamie, which is exactly what I wanted. Harriers, hovering, and torque rolls feel simulator-smooth, making me feel like a way better pilot than I actually am. Put simply: big prop = better control.

    I suspect this motor would be a great choice for any model designed for a .90 to 1.20 four-stroke nitro or 15-20cc gas. The Monster Motor basically gives 8S power from a 6S powerplant. I am very impressed.

    P.S. - Loctite the grub screw that holds the outer can to the prop shaft. I haven't had any issues, but I have some friends who've had them back out over time.

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