A FEM-Experimental Approach for the Development of a Conceptual Linear Actuator Based on Tendril’s Free Coiling

Figure 10

Test I: twisting effect, one spring only stimulated: (a) initial configuration; (b) the spring is driven and it starts rotating while lifting the weight; (c) at a visual inspection, the perversion in its final position has experienced a rotation of about 80°, as indicated by the red arrow.

(a)

(b)

(c)