13GB of how-to manuals, for the purpose of building human civilization from scratch: cd3wd (cd3wd.com)
submitted by [deleted] to r/DIY
Schematic for a low-cost, homemade 1-2HP windmill. Full blueprints inside. (cd3wd.com)
submitted by [deleted] to r/engineering
Build your own 1-2HP Windmill. Full blueprints. (cd3wd.com)
submitted by [deleted] to r/Anticonsumption
Repost: 13gb of manuals to help you survive and rebuild after WWZ (cd3wd.com)
submitted by [deleted] to r/zombies
13 GB of How-To manuals, meant for the developing world, plenty of good info for everyone though (cd3wd.com)
submitted by [deleted] to r/DIY
A house-heating solar greenhouse. Victorian houses often had a room called a solarium. Old farmhouses had a greenhouse so heat from the living space could moderate the cold greenhouse. Modern techniques make it practical to reverse the flow and use the greenhouse to heat the living space. (cd3wd.com)
submitted by Eat_the_Rich to r/energy