MR - 4 : Robotic Tank

My latest tankbot has been designed to be a larger vehicle but printable on a small scale printer.

https://youtu.be/KUup3ndVikM

A number of issues with the other tanks have been overcome (hopefully) with this one.

UPDATE 1: Have modified COG - Please use V4 to overcome track catch issue. The catch issue is far more evident when printed in PLA than ABS.

UPDATE 2: Added two new track variations. These allow for variations in materials, print settings and printer type. I find that my printer and ABS tends to work OK on the standard track, while my printer and PLA needs a combination of the 2.2 and 2.4 track types. The number refers to the centre diameter of the pin hole. The idea is to maintain enough tension in the track, while simultaneously allowing free movement


First and foremost it now runs on two standard sized continuous rotation servos. You can obtain these with various torque settings to suit your needs!

Secondly the tracks are specifically designed to be joi