Spektrum Firma 4685 1250Kv Brushless Motor
Spektrum Firma 4685 1250Kv Brushless Motor
Spektrum Firma 4685 1250Kv brushless motor compatible with the Arrma Kraton 8S 1/5 Monster Truck; supports 4-8S LiPo at up to 180A continuous.
- Compatible with the Arrma Kraton 8S 1/5 Monster Truck
- 4-pole, 8-magnet rotor design with CNC machined aluminium housing
- 1250Kv, 4-8 cell LiPo, 180A maximum continuous current
- Preinstalled 6.5mm gold plated bullet connectors
- Perfectly matched to the Spektrum Firma 160 Smart ESC
This Spektrum Firma 1250Kv Brushless Motor is compatible with the Arrma Kraton 8S 1/5 Monster Truck. A perfect option for larger-scale models looking to run an 8S Lipo powered setup. Low cog 4-pole 8-magnet rotor design, CNC machined aluminium housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 6.5mm gold plated bullet connectors. Perfectly matched to the Firma 160 Smart ESC.
- Perfect upgrade for the ARRMA Limitless Speed Roller
- High Efficiency Design
- Precision ball bearings and hardened steel 5mm shaft
- 4-pole construction for smooth and consistent power
- 6.5mm gold bullet connectors for reliable and efficient connection
- Black anodized aluminium motor can for increased heat dissipation
- Super strong 5mm shaft
- Groove at the end of the motor shaft allows the installation of a pinion retaining E-Clip
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Bearings or Bushings
- Bearings
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Connector Type
- 6.5mm Bullet
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Efficiency
- 90%
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Recommended Speed Control
- Spektrum Firma 160 Smart ESC
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Input Voltage
- 12-35.2V
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Output
- 6300W
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Shaft Diameter
- 3/16" (5mm)
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Motor Type
- Brushless
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Overall Length
- 3.3" (85mm)
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RPM/Volt (Kv)
- 1250Kv
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Number of Poles
- 4
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Maximum Continuous Current
- 180A
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Wire Gauge
- 10 AWG
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Weight
- 26.1oz (740g)
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Cells
- 4-8 cell LiPo
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Size
- 4685
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Overall Diameter
- 1.8" (46mm)
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Type
- Brushless
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KVRPM (Revolutions Per Minute) per Volt
- 1250KV
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LengthLength of the motor can in mm
- 85mm
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DiameterDiameter of the motor can
- 46mm
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Shaft Diameter
- 5mm