All-terrain wheelchair.
https://s3-us-west-1.amazonaws.com/h...wheelchair.jpg
2:12 video:
https://www.youtube.com/watch?v=MX7qbOdgHzA
Previously:
https://www.homemadetools.net/forum/...288#post161531
https://www.homemadetools.net/forum/...693#post133021
https://www.homemadetools.net/forum/...889#post152625
https://www.homemadetools.net/forum/...269#post116169
https://www.homemadetools.net/forum/...3242#post77706