Product Details
Externally, the 540.DR looks much like its cousin, the 540-M4. But the heart of the motor is where the major changes can be found!
Key Features
- CNC Machined Lightweight Can
- Drag Racing Specific Stator
- Low-Resistance, Silver Plated Solder Tabs
- Optimized Air Cooling
- Dual precision Ball Bearings
In The Box
- (1) Sonic 540-DR Brushless Motor
Features
Product Specifications
| Outer Diameter | 1.413386″ (36 mm) |
| Turns | 2.5T |
| Adjustable Timing | Yes |
| Voltage | 3.7-7.4 |
| Forward | Yes |
| Product Length | 1.980315″ (50 mm) |
| Application | Drag Racing |
| Product Weight | 170g |
| Shaft Diameter | 0.1240157″ (3 mm) |
| Motor Type | Brushless |













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