prototype 12

Goal: to test if it works better with 5 wheels so that the front wheels doesn't get stuck inbetween the rolls

based on prototype 11

 Expected positif:  

tubes rolls in one direction

Tubes are strong enough

width is good

Front wheels doen't get stuck between the rolls

Unexpected positif:

the weight of the rolls helps to not move the system on the floor

not to much friction

Expected negatif:   

To high

Unexpected negatif: