Rope Pump

The basic elements of the Rope pump are an endless rope with conical pistons placed at intervals of 1 meter. The rope with pistons is pulled through a PVC raising main tube to lift the water to the surface.
The wheel and handle are made of galvanized tube. Spokes that clamp cut-out parts of a car tire, form a perfect pulley.
The pistons are made locally of rubber from cartires of high density polyethylene and fit with a small clearance in the rising main tube to avoid hydraulic losses. The rope with pistons turns around at the bottom of the well by means of a concrete guide blox with an internal ceramic or glass piece to reduce wear at this point. 

Source: ropepump.org