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Line-Following Rotacaster Dump Truck
I received a new batch of new Rotacaster Omni-wheel Prototypes a week or so ago to. Too put the New Rotacaster Omni-Wheels through their paces I added the to a Line-following Dump Truck. The Rotacaster's where just what I need for the Line-following Dump Truck I've build developing as part of a larger on going project. The Rotacasters defiantly help the Truck negotiate the tight corners on my test Line-following mat?
About this creation

Line-following Dump Truck Drops it's Load!Line-following Dump Truck Drops it's Load!

Without the Omni-directional Rotacaster wheels fitted to the two rear axles of the truck, the articulated Dump Truck is unable to negotiate the tight corners presented to it. With a radius of 150mm (6"), these are really tight corners for the 410mm (1'4") long truck which can only rotate 40 from centre.

Line-following Dump Truck follows the Line around the Track!

These tight corners force the rear of the track to preform a Power-Slide, which with standard LEGO Technic Wheels just doesn't happen! And as a result the truck can't follow the line. With the Rotacaster Omni-wheels it's made easy!

New Rotacaster Roller Design TriumphNew Rotacaster Roller Design Triumph!

The time, money & effort Rotacaster has put into getting these LEGO Technic and Mindstorms Compatible omni-wheels has paid off. The new wheels don't only look great, but the rollers which allow the wheel to move sideways have are very free moving compared to the earlier prototypes I received. Gone are the hassles I had initially with rollers binding!

Congratulations Rotacaster on a an amazing piece of engineer, which every serious LEGO fanatic needs in their spare parts kit!

For full details on this project, along with many others, please visit my Blog:


 I like it 
  October 11, 2012
These work well! The model looks good too. It sounds like it needs better gearing and programing (so that it doesn't bounce the cab left to right when steering). Otherwise it looks great! --John
By Sparra McNamara
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Added April 20, 2011

LEGO models my own creation MOCpages toys shop Line-Following Rotacaster Dump TruckRobotics

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