pic: 1918 Swerve module concept using Rev NEO

swerve
1918
revneo

#1



Swerve module concept using Rev NEO brushless DC motor, bevel gear steering, and Kaydon bearing to package a swerve module that fits within the vertical profile of the bumpers. (Note: Vex Versa-Frame side rail and bumper removed to allow visibility of components).


#2

We have been working on a swerve chassis during the off season. One of the challenges is to find the simplest, lightest, most manufacturable, and most serviceable approach. Another challenge is to develop a design that doesn’t get in the way of with intakes, and isn’t exposed to damage from other robots, etc.

We have been looking for a good way to package a swerve module within the protected confines of the bumpers. Using KHK bevel gears for turning the module allows the long steering motor/planetary gearbox/encoder assembly to be laid horizontally. The low height of the NEO motor does the rest.

This module concept works with CIMS and 775’s also, but the NEO is a nice finishing touch.

I look forward to seeing what everybody else does with the NEO.


#3

This looks awesome Wayne.
The smaller footprint will definitely provide better options to design around.
We’ve been playing around with a new prototype swerve but the amount of space taken and weight definitely is a challenge.
Thanks for sharing.


#4

Wouldn’t you get a fair amount of scrubbing with a two-colson config like that? seems like 1 colson would be the way to go, as many teams do.


#5

May I present to you two-time back-to-back world champions 2767, Stryke Force, and their battle-tested 2-wheel swerve module:

Stryke Force 2017 Swerve

Edit: To be clear, there is most definitely more scrub with this style than a standard centered wheel, but generally the motor can overcome said scrub, especially when the wheels are driving (which is nearly all of the time during a match).