Parts/Electric power/Brushed motors/Holmes Hobbies TorqueMaster Expert 550 Brushed Electric Motor (21T)
Holmes Hobbies
Holmes Hobbies TorqueMaster Expert 550 Brushed Electric Motor (21T)
Part # HHB110100051
Where to buy
$74.74
Prices are as last seen at the store; stock is not tracked.
About this part
The Holmes Hobbies TorqueMaster Expert 550 Brushed Motor features the same quality construction as the hand wound Pro series motors, but with a machine wound armature for an affordable alternative.
Features:
Armature: 21 turn three slot
RPM: 27,250 RPM @12v @ 12 degrees timing
Weight: 206 grams
Diameter: 36mm OD x 60mm length (not including shaft)
Shaft: 1/8" diameter D shaft
Mounting Pattern: 1" (25.4mm) M3 screws
Input Voltage: 6-9 cell nimh, 2-3s Lithium
Rotor: 23mm OD x 29mm length
Features:
- 550 size provides extra torque and power
- Machine wound for affordability
- 5mm web 3 slot armature- Maximizes torque, efficiency, and offers smooth startup
- 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
Armature: 21 turn three slot
RPM: 27,250 RPM @12v @ 12 degrees timing
Weight: 206 grams
Diameter: 36mm OD x 60mm length (not including shaft)
Shaft: 1/8" diameter D shaft
Mounting Pattern: 1" (25.4mm) M3 screws
Input Voltage: 6-9 cell nimh, 2-3s Lithium
Rotor: 23mm OD x 29mm length
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