NEO V1.1
The REV NEO Brushless Motor V1.1 (REV-21-1650) is the first update on the brushless motor designed to meet the unique demands of the FRC community. NEO V1.1 offers an incredible power density due to its compact size and reduced weight, and it's designed to be a drop-in replacement for CIM-style motors, as well as an easy install with many mounting options.

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- A tapped #10-32 hole on the end of the shaft, allowing teams to retain pinions on the shaft without using external retaining rings
- A tapped #10-32 hole on back housing of motor, making it no longer necessary to remove the motor housing to press pinions
- Additional holes on the front face of the motor for added mounting flexibility
- Drop-in replacement for CIM-style motors
- Shielded out-runner construction
- Front and rear ball bearings
- High temperature neodymium magnets
- High-flex silicone motor wires
- Integrated motor sensor
- 3-phase hall sensors
- Motor temperature sensor
The bolded features above are exclusive to the NEO V1.1
Empirical Motor Kv: | 473 Kv | Typical Output Power at at 40 A: | 380 W |
Empirical Free Speed: | 5676 RPM | Hall-Sensor Encoder Resolution: | 42 counts per rev |
Empirical Free Running Current: | 1.8 A | Output Shaft Diameter: | 8mm (2mm keyed) |
Empirical Stall Current: | 105 A | Output Shaft Length: | 35 mm (1.38") |
Empirical Stall Torque: | 2.6 Nm | Output Pilot: | 19.05 mm (0.75") |
Empirical Peak Output Power: | 406 W | Body Length: | 58.25 mm (2.3") |
Nominal Voltage: | 12 V | Body Diameter: | 60 mm (2.36") |
Theoretical Stall Current: | 150 A | Weight: | 0.938 lbs (0.425 kg) |
Theoretical Stall Torque: | 3.75 Nm | Mounting Holes: | #10-32 tapped |
Theoretical Peak Output Power: | 406 W | Mounting Hole Depth: | 0.5" maximum |
| | Shield Mounting Screws (pre-installed): | M2.5 x 5mm - Hex-drive (1.5mm) flat-head |
Check out the NEO Motor Data Sheet for additional specifications and charted motor curves. Also, please pay special attention to the NEO Motor Locked Rotor Testing and please make sure you have read and understand how to set the SPARK MAX Smart Current Limit
Connecting the NEO Brushless motors is fairly straightforward. Follow the guide at Wiring the Spark Max with the NEO Brushless Motor and don't forget to connect your encoder sensor wire- the motor will not spin without it!
CAUTION: Improperly wiring the connectors can cause severe motor damage and is not covered by the warranty, DO NOT connect the motor directly to the battery.
- 1 - 10-32 x 3/8in long Socket Head Screw
- Press Fit Pinion
- Arbor Press
Do not attempt to run the NEO while a screw is still attached to the back of the motor. Not removing the screw will damage the motor and/or shaft.
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1) Take a 10-32 x 3/8in long socket head screw and screw it into the back of the motor finger tight.
DO NOT USE AN ALLEN WRENCH
The screw is intended to support the end of the NEO's shaft while pressing on the pinion. Tightening the support screw with an allen wrench may damage the motor and/or shaft. | ![]() |
2) Using a flat arbor press plate, balance the motor with that screw down on the arbor press | ![]() |
3) Proceed with pressing the pinion as usual | ![]() |
4) Remove the 10-32 socket head screw from the back of the NEO | |
Last modified 3mo ago