Building a pull robot

Using a small robot to look at friction (traction), pulling different loads, and how the force need to pull load can be changed to improve stability.


The basic towing set up – no rubber tyres


Pulling our first load


The transmission mechanism uses a bevel gear to change the direction of rotation.

Adding tyres.


The angle of the hitches makes a big difference as well


or this happens!


Hitches angled down for improved pulling power


Coding the movement



Towing robot on rubber tyres pulling a heavy load of batteries





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