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Well, I got busy tonight and finished up my new tracked robot design! I've been wanting to do this for awhile and finally got around to designing and lasering it out tonight. Uses a Tamiya 70097 twin motor/gearbox, Tamiya 70100 track and wheel set and the chassis has built in provisions for either setting it up as a 58:1 or 203:1 ratio on the gearbox. Parallax Ping is mounted and working. Strangely, I didn't take any pics with the batteries mounted... I guess that'll have to wait for the video. ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/laser-cut-tracked-chassis-for-tamiya-70097-motor-gearbox