The Propel-E is coming together nicely! Until now we have been prototyping with PET-G, but for the final version we will switch to 100% recycled PET from Tridea en BASF!

Next up is creating a tail! Dimensions are not so critical but it is important that it is light and stiff! The tailpiece will also serve as a mount for the windturbine, and fits everything of a pole of 40mm. Herefore we use a cheap steel pole that is used for garden fencing (which was actually 38,5mm in our case). Total price: barely 20EUR!

Testprint:

The final result will be the printed version of this: