The NEO Vortex Brushless Motor (REV-21-1652) is a high-power, high-performance, and high-resolution sensored brushless motor from REV Robotics. It features a dockable controller interface that can be mounted directly to the SPARK Flex Motor Controller (REV-11-2159) or a NEO Vortex Solo Adapter (REV-11-2828) allowing control from any brushless motor controller, like the SPARK MAX. Its through-bore rotor is the heart of its unique interchangeable shaft system, facilitating easy integration with various robot mechanisms.
High-resolution encoder
Integrated motor parameter and calibration memory
Through-hex bore with taper for numerous quick-change shafts
No motor wires - reliable and robust docking connections for motor phases and sensor
Dual sensor, direct contact winding temperature sensing
560KV (RPM per volt)
640 Watts (375 @ 40A)
#10-32 threaded holes on a 2in bolt circle
The motor and motor controller's silhouette fits behind a standard 2in rectangular tube
1/2in hex through-bore rotor compatible with any length hex shaft or application-specific Vortex Shafts:
8mm keyed
Falcon compatible spline
MAXSwerve with integrated key
7-tooth 20DP gear
MAXPlanetary input
Others to be announced
All of our motor testing was performed on our in-house dynamometer.
Parameter | Value and Units |
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Parameter | Value and Units |
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Nominal Operating Voltage
12 V
Motor Kv
550 Kv
Free Speed
6784 RPM
Free Running Current
3.6 A
Stall Current
211 A
Stall Torque
3.6 Nm
Peak Output Power
640 W
Typical Output Power at 40 A
375 W
Pole Pairs
7
Encoder Resolution with SPARK MAX
42 Counts per rev.
Encoder Resolution with SPARK Flex ‡
7168 Counts per rev.
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Pre-production motor testing. Updates with production motor data will be made if necessary.
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A firmware update will be required to access higher resolution encoder data.
Docked Body Length â€
79.7 mm
Docked Mounting Footprint - Narrow Side Width
2 in
Docked Mounting Footprint - Rounded Side Diameter
60 mm
Docked Spindle Offset Depth
19.7 mm
Docking Hardware ‡
M3 SHCS x 25 mm
Rotor Diameter
50 mm
Spindle Bore
1/2 in hex with 7.5° half-angle taper
Shaft Retention Counter Bore Diameter
17.75 mm
Shaft Retention Counter Bore Depth
4 mm
Weight
447 g (0.99 lbs)
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When docked with SPARK Flex Motor Controller or NEO Vortex Solo Adapter.
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Docking hardware included with SPARK Flex or Vortex Solo Adapter.
When docked with a SPARK Flex the NEO Vortex's phase and sensor connections are kept securely together. This eliminates intermediate wiring that can fail if not secured properly.
Docking the NEO Vortex with the SPARK Flex is simple and only requires the following materials and tools:
NEO Vortex Brushless Motor
SPARK Flex Motor Controller
Docking Hardware
4 - M3 x 25 mm Socket Head Screws (included with SPARK Flex)
2.5 mm Hex Key
Follow these steps to ensure a secure and proper docking:
Ensure that power is disconnected from the SPARK Flex.
Align the motor phase bullets between the NEO Vortex and SPARK Flex.
Allowing the bullets to guide the two together, press the NEO Vortex and SPARK Flex together until their bodies meet. There may be a small gap between the motor and the controller opposite the bullets. This is normal.
Insert the included docking screws into the counterbored Docking Screw Clearance Holes on the SPARK Flex.
Using the 2.5 mm Hex Key, tighten the four screws evenly in a crisscross pattern until the screws are tight and secure. The screw heads should be sub-flush from the mounting face of she SPARK Flex. If you have a torque wrench, the ideal torque is 11.5 ±0.9 in-lb (1.3 ±0.1 Nm).
DO NOT run the motor without the docking screws installed. These screws ensure a robust and secure electrical connection, and doing so may cause damage to the system.
Follow these steps to undock the NEO Vortex and SPARK Flex:
Ensure that power is disconnected from the SPARK Flex.
Completely remove the four docking screws from the assembly.
Gently pull the NEO Vortex and SPARK Flex apart until the bullets release. Try to maintain their relative orientation to each other while pulling them apart.
NEO Vortex Shaft Features
Vortex shafts feature a 1/2 in hex section for transferring torque, and a locating taper section for effortless self-centering. When the shaft is secured with a #10-32 Shaft End Screw, the taper keeps your shaft perfectly centered as it's drawn in and locked into place within the NEO Vortex Spindle.
Product Photo | Name, SKU, and Function |
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Installing a Vortex Shaft is simple and requires the following materials and tools:
NEO Vortex (docked or undocked)
Desired Vortex Shaft
#10-32 Shaft End Screw
5/32 in Hex Key
Follow these steps to ensure a secure shaft installation:
Insert the shank of the desired shaft into the Vortex Spindle from the front mounting face of the motor.
While inserting, you may need to rotate the shaft or rotor slightly to align the hexagonal portion of the shank with the hexagonal bore of the spindle.
Once the shaft is fully inserted, install the Shaft End Screw through the back side of the spindle and thread into the shank.
Tighten the Shaft End Screw with the 5/32 in hex key to draw the taper into a locked and centered position. If you have a torque wrench, the ideal torque is 25 ±5 in-lb (2.8 ±0.6 Nm).
Visually check for concentricity by rotating the motor rotor. If the shaft is not concentric, remove it, rotate its orientation, and reseat in the spindle.
Remove the Shaft End Screw with the 5/32 in hex key.
Remove the Vortex Shaft from the motor.
While the Vortex Shaft taper is designed to self release, it may still need a gentle tap to help it along. Be sure to tap the shaft itself and not the rotor. You can partially back out the Shaft End Screw and tap it to push the shaft out.
1/2 in Hex Shaft - Any Length
The NEO Vortex's 1/2in hex through-bore motor spindle is compatible with any length hex shaft.
Vortex Shaft - 8 mm (REV-21-2807) The 8mm Vortex Shaft, compatible with the REV ION System, empowers you to utilize the NEO Vortex Brushless Motor with any 8mm keyed shaft component. This interchangeability also means that the NEO Vortex matches the output of a NEO Brushless Motor V1.1, making it a seamless drop-in replacement for your designs.
Vortex Shaft - MAXSwerve Integrated Key (REV-21-2848) The Vortex Shaft - MAXSwerve Integrated Key gives users the ability to drive a MAXSwerve Module without the need for the MAXSwerve Key. This eliminates a potential point of failure in the MAXSwerve since the key is machined directly into the 8mm shaft.
Vortex Shaft - 20 DP Gear - 7 T (REV-21-6800) The Vortex Shaft - 20 DP Gear - 7 T offers users the unique ability to achieve substantial gear reductions directly from the motor. This gear features a 7 T 20 DP design that is typically too small for an 8mm keyed input. However, it becomes possible when integrated into the motor shaft.
The Vortex Shaft - 20 DP Gear - 7 T is addendum shifted to an 8 T pitch diameter. This allows you to calculate center-to-center distances as if it were an 8 T gear rather than a 7 T.
Vortex Shaft - MAXPlanetary Input Kit
(REV-21-2127) Working seamlessly with the MAXPlanetary Vortex Input Stage, the Vortex Shaft - MAXPlanetary Input Coupler reduces gearbox length for more efficient designs. Note that the MAXPlanetary Vortex Input Stage is required for this setup.
Vortex Shaft - Falcon Compatible Spline (REV-21-2827) The Vortex Shaft - Falcon Compatible Spline gives users the ability to drive components that have a falcon spline bore.
The NEO Vortex Solo Adapter (REV-11-2828), allows teams to seamlessly integrate the NEO Vortex Brushless Motor with a SPARK MAX. This adapter breaks out the motor sensor connector and phase wire connections for simple backward compatibility.
While the NEO Vortex Solo Adapter allows you to use the motor independently, it may not fully support certain advanced functionalities of the NEO Vortex Brushless Motor.
The following items are included with each NEO Vortex Solo Adapter
Parameter | Value and Units |
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SKU | Product Name | QTY |
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Phase Wire Gauge | 12 AWG |
Encoder Port Connector | JST PH 6-pin |
Through Bore Diameter | 16.5 mm (0.649 in) |
Mounting Footprint Narrow Side Width | 2 in |
Mounting Footprint Rounded Side Diameter | 60 mm |
Mounting Holes | #10-32 on 2 in bolt circle |
Mounting Hole Maximum Depth | 0.25 in |
Body Length (Not Docked) | 28.2 mm |
Docking Hardware | M3 SHCS x 25 mm |
REV-21-2828 | NEO Vortex Solo Adapter | 1 |
REV-21-3204-PK4 | M3 x 25mm Socket Head Screw - 4 Pack | 1 Pack, 4 Screws |
6-Pin JST Cable | 1 |