Reedy Sonic 540.DR Drag Racing Modified Brushless Motor (4.0T)

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Reedy Sonic 540.DR Drag Racing Modified Brushless Motor (4.0T)

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The Reedy Sonic 540.DR Drag Racing Modified Brushless Motors bring power and efficiency to drag racing. Even though these motors resemble the more common 540-M4 Reedy motors the 540.DR offers significant internal changes. Featuring an updated stator with thicker laminations and using a unique material produces power specialized for the drag strip. A balanced, high-strength 13.5mm rotor spinning on precision ball bearings gives consistent power run after run. Encasing all of this is a CNC machined lightweight motor can. The Sonic 540.DR offers the quality, reliability and high performance you expect from Reedy electronics.

Features:
  • CNC machined lightweight can
  • Drag racing specific stator
  • Low-resistance, silver plated solder tabs
  • Optimized air cooling
  • Dual precision ball bearings
  • Drag racing specific balanced rotor
  • High-strength magnet
  • Adjustable timing
  • Completely rebuildable
  • Competition proven 
  • Optional tuning rotors available
Specifications:
Voltage: 3.7-7.4
RPM @7.4V: 55107
kV: 7447
Power (W): 535
Efficiency (%): 93
Rotor Number: 27475
Cells: 2S LiPo
Diameter (mm): 35.9
Length (mm): 50.3
Shaft Diameter (mm): 3.15
Weight (g): 170

This product was added to our catalog on July 19, 2022

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