Holmes Hobbies CrawlMaster Pro 550 Brushed Electric Motor (12T)

The Holmes Hobbies CrawlMaster Pro 550 Brushed Electric Motor features a 12-turn, five-slot armature for smooth startup control, torque, and efficiency in rock crawling applications. It is hand wound at Holmes Hobbies and broken in for immediate installation and use.

Features

• 550 size provides extra torque and power
• 5 slot armature maximizes smoothness and efficiency
• Epoxy balanced armature
• Silver brazed commutator connections
• Vacuum dipped armature
• Gold-plated copper brush hoods
• Aluminum heatsinks
• Filter PCB reduces EMF noise
• Brush damper reduces noise and arcing
• 1.4mm thick uninterrupted back iron
• High-power FB12 ceramic wet magnets
• Dual Japanese Ball bearings
• Adjustable timing
• Holmes XX springs for consistent drag brake
• Holmes Soft Copper brushes

Specifications

• Turns: 12 turn five slot
• RPM: 20/000 @12v (estimated) & 12 degrees timing
• Weight: 216 grams
• Size: 36mm OD x 60mm length (not including shaft)
• Shaft: 1/8" diameter
• Mounting Pattern: 1" (25.4mm) for M3 screws
• Input Voltage: 6-9 cell nimh, 2-3s Lithium
• Rotor: 23mm OD x 29mm