Low-tech Lab

Solar air heater

Solar air heater, for any type of house, by Guy Isabel.

Medium
2 day(s)

Manual pump (vertical)

The objective is to make a manual pump to draw water from a tank for exemple.

Easy
3 hour(s)

Simple wooden bike trolley - hand tools only - back wheel attachment

Method to create a simple bike trolley, using up-cycled materials. Easily fixated to every bike (adult size). Holes on the board help attach any kind of cargo. It’s made out of wood and simple hand tools, no welding required! Dimensions are detailed and can easily be adapted to the material available. (price depends of what materials you use, of course!).

Easy
2 day(s)

Low-tech Computer

A basic computer model that still meets most of our daily needs. All for a price not exceeding 30 euros!

Medium
1 day(s)

Ram pump

The purpose of this tutorial is to facilitate the understanding, design, manufacture and installation of a water elevation system called "Ram pump". This technology was documented during a stopover of the Sea Nomad in the Philippines, on the island of Negros. The NGO "Alternative Indigenous Development Foundation (AIFDI)", based in the city of Bacolod since 1991, helps more than 160 rural communities meet their water needs by installing hydraulic rams throughout the archipelago. The ram pump presented in this tutorial is a different version from the one used by the AIFDI because it is more accessible.