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: 76486
kV: 10337
Power (W): 580
Efficiency (%): 94
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
