Archimedes aided digging device failed Kickstarter

The Archimedes mechanical device for aided digging, by Gianfranco Bernardi. Failed on Kickstarter with €0 pledged of €50,000 goal.

https://s3-us-west-1.amazonaws.com/h...ckstarter1.jpg

https://s3-us-west-1.amazonaws.com/h...ckstarter2.jpg

Clever, and reasonable for niche applications like for gardeners with limited mobility. Nevertheless, would not work here in Colorado, where the ground is too hard for hand shovels to be effective digging tools.

More: https://www.kickstarter.com/projects...00/archimedes/


Previously:

https://www.homemadetools.net/forum/...8400#post87451
https://www.homemadetools.net/forum/...8493#post87645
https://www.homemadetools.net/forum/...8717#post87992
https://www.homemadetools.net/forum/...8927#post88326
https://www.homemadetools.net/forum/...9152#post88759
https://www.homemadetools.net/forum/...9313#post89057
https://www.homemadetools.net/forum/...9497#post89403

The effort expended.
WHY?

Would be of no use after first blade full.

To make it worthwhile, I think you might need a combination of a specific soil type plus a specific type of hole or trench to dig.