Holmes Hobbies TorqueMaster Pro 550 Brushed Electric Motor (27T)

The Holmes Hobbies TorqueMaster Pro 550 Brushed Motor offers fantastic torque with extremely smooth startup, making this a great well rounded motor for your Rock Crawler. 

 

• 550 size provides extra torque and power
• Hand wound at Holmes Hobbies for highest performance
• 5mm web 3 slot armature- Maximizes torque, efficiency, and offers smooth startup
• Epoxy balanced armature ensures maximum torque, efficiency, and startup smoothness 
• Silver brazed commutator connections allow higher tempurature operation
• Vacuum dipped armatures withstand high RPMs without failure
• Gold-plated copper brush hoods to resist corrosion and provide lowest resistance
• Aluminum heatsinks shed heat
• Filter PCB reduces EMF noise
• Brush damper reduces noise and arcing
• Can – 1.4mm thick uninterrupted back iron
• High-power FB12 ceramic wet magnets maximize torque and efficiency
• Dual Japanese Ball bearings
• Adjustable timing
• Holmes XX springs for consistent drag brake
• Holmes Soft Copper brushes for high torque and longest motor life
• Broken in for immediate installation and use

NOTE: Every brushed motor carries a 30 day warranty to cover manufacturing defects. Damage caused by improper gearing is not covered under warranty.

Type: 27 turn three slot 

RPM: 20,000 RPM (estimated) @12v @ 12 degrees timing

Weight: 216 grams 

Size: 36mm OD x 60 length (not including shaft)

Shaft: 1/8″ diameter D shaft

Mounting Pattern: 1″ (25.4mm) for M3 screws

Input Voltage: 6-9 cell nimh, 2-3s Lithium 
Rotor: 23mm OD x 29mm