Built by a local welder with standard tools (no high tech), with local material (~ 50 Euro, except the rear wheelchair wheels) and tested by a 9-year old double amputee. All, organized, bought, built and tested, in only 3 days.
It’s based on an idea of May 2015:
Sorry, my drawing isn’t to good, but it explains my idea!
The idea was to build a low cost, DiY, low tech… whelchair by using a wheelbarrow!