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NeveRest Orbital 3.7 Gearmotor (am-3461a)

 
Price: $28.00

Stock Status: In Stock
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Product Overview:
The NeveRest is a gearbox and motor combination with an attached encoder designed with FIRST Tech Challenge teams in mind, by including geometry that matches existing bolt patterns. The shaft is 6mm in diameter and the gearbox housing is 37mm in diameter. The power cable which feeds into the black encoder housing for the motor has two powerpole connectors already crimped to the end of the cable making the gearmotor or motor by itself, ready to use.

FTC Legality:
According to the FIRST Tech Challenge Game Manual Part 1, Rule RE09, this is legal for the 2017-2018 FTC Game.

Encoder Cable Options:
The NeveRest Orbital 20 comes with our am-2992 cable which has the white 4-pin connector for the encoder and also the black 4-pin connector for the HiTechnic and Modern Robotics motor controller. am-2993 is an optional encoder cable which has the white 4-pin connector on one end and 4 separate black connectors on the other end.

Working with the Encoders:
Physical Specs:
  • Overall Length: 5.0"
  • Maximum Diameter: 36mm
  • Output Shaft size: 6mm D
  • Weight: ~0.87 Pounds
  • Mounting Geometry: Four, M3x0.5 on 28MM Bolt Circle
    • Maximum thread depth: 7mm Do not go beyond this, or you can damage the plate and stop the motor.
  • Electrical Connection Geometry: 4-pin connector for encoder, pre-installed 18 AWG wires with Anderson PP15 Connectors
  • Gear Material: Steel
  • Body Material: Steel
  • Lubrication: Pre-Lubricated
  • Shaft Hardness: 45-50 Rockwell C (https://en.wikipedia.org/wiki/Rockwell_scale)
  • Wire Gauge: 18 AWG
Technical Performance Specs:
  • Gearbox Reduction: 3.7:1
  • Voltage: 12V DC
  • No Load Free Speed, at gearbox output shaft: 1784 RPM
  • Force Needed to Back-Drive: 1.2 oz-in
  • Gearbox Output Power: 14W
  • Stall Torque: 32.3 oz-in
  • Stall Current: 11.5A
  • Poles Per Magnet: 7
    • Please be aware the part number am-3461 references the 3 pole version. This is the am-3461a.
  • Pulses Per Revolution: 25.9
    • (7 Poles x 3.7 Ratio = 25.9)
  • Ticks Per Revolution: 103
    • Pulses Per Revolution (25.9) x Edges of a Pulse (4) = 103

Average Customer Review: 4.5 of 5 Total Reviews: 2 Write your own review!

  0 of 0 people found the following review helpful:
 
May 17, 2017
Reviewer: Sankara Narayanan from PUNE, MAHARASHTRA India  


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  2 of 2 people found the following review helpful:
 
Met our needs to power a ball launcher for FTC February 6, 2017
Reviewer: Andrew Lieberman from South San Francisco, CA United States  
The motors that came in our basic FTC robotics kit were not fast enough to power a ball launcher, so after doing some research, we tried these, and they did the trick with plenty of speed to spare.

They are a little bigger than the other motors we had, so the mounts we already had didn't fit them perfectly, but they worked ok. For next season, I will buy the correct mounts.

Don't forget to buy your Hall Effect Encoder Cable with 4-pin Connector (am-2992) to go with each motor.

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