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I am trying to drive the differential drive kinematics of Turtlebot 2. However, I couldn't find the distance between 2 wheels on the datasheet. I'd appreciate if anyone could provide me this dimension.

Thanks.

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  • $\begingroup$ Wow, that seems like a pretty critical dimension to be missing for a differential drive robot! $\endgroup$ – Ben Dec 9 '20 at 1:41
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The specs are listed here:

https://www.active-robots.com/fileuploader/download/download/?d=0&file=custom%2Fupload%2FFile-1434995349.pdf

While they don't directly list the distance between wheels, they do list everything that you need for a kinematics model. I would especially focus on these two numbers:

  • Maximum translational velocity: 70 cm/s
  • Maximum rotational velocity: 180 deg/s
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  • $\begingroup$ It appears that the link is broken. $\endgroup$ – Ben Dec 9 '20 at 1:40
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23 cm from center to center. The wheel's width is 2.4 cm.

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