I wrote a little something about this a while back; see the post about the Bicimáquinas. Matt, from Makeshift sent me this link and asked me to share it. Have a look. It is pretty inspiring to see Makers of this caliber.
From their YouTube page:
“Power Hackers, a series made in collaboration with Autodesk, profiles unexpected makers and designers who are developing creative climate solutions.
This video profiles the inspiring work of Maya Pedal, a Guatemalan organization that produces “bicimaquinas,” or bicycle-powered machines. The income-generating devices range from blenders to milling machines. Along with clever engineering, director Mario Juarez has succeeded in fostering pride in the community’s work.
Makeshift is a field guide to hidden creativity. Subscribe to our YouTube channel to follow original series like Power Hackers.”
While you’re at it, have a look at their quarterly magazine at http://mkshft.org.
Preindustrial Craftsmanship 
I have long enjoyed appropriate technology , so here : https://www.youtube.com/watch?v=UJrSUHK9Luw. I understand they’ve been touring
Yes. Good stuff. I posted the longer video a while back: https://paleotool.com/2013/12/13/landfill-harmonic-pt-ii/
Very inspirational indeed.
Now I’ll have to go look into Giatas
Found a general treatment of bicycle power : http://www.lowtechmagazine.com/2011/05/pedal-powered-farms-and-factories.html at your favored site
Thanks. LowTechMag is a great go-to resource. I wish they put out more content!
My worry is that I’m finding links to no longer existent articles / products , I wish some ( sorry , all ) of this stuff was archived more permanently .
Sorry you are having trouble. Did my back-link not work?
No , No , your links were ok , this is No Tech related
Very interesting, thanks for sharing!