POLDAW DESIGNS

A not-for-profit activity within the company, providing designs, technical support and manufacturing training on appropriate technology devices in developing countries

Low Cost Windpumps

The Poldaw range of low-cost windpumps created in the early 90s have been successfully manufactured in 15 countries.  Over 2000 windpumps have been sold and installed, mainly in Africa, Asia and South America.

These designs are made entirely with locally available materials. Usually, after a few weeks of supervision and product training, small scale workshops are able to successfully manufacture and install windpumps, with occasional technical support visits and ongoing liaison with us by email.

Windpumps have been “overtaken” by solar pumps in many countries, but due to their robustness and simplicity, and resistance to theft and vandalism, windpumps still have their niche. These windpumps can run for 20+ years with minimal maintenance requirements, and are easy to repair when damage does occasionally occur.

For performance figures, please see our Technical Details

Handpumps

Since 2004, Poldaw Designs has worked with WaterAid, and local in-country partner organisations; in developing improved handpump designs for rural village water supply. A totally new handpump design with ultra-deep well capability was developed and successfully tested, but the introduction of a new design on a large scale is currently not favoured. Instead, we are now working to introduce innovative “add-ons” to existing public domain handpump designs, to enhance reliability, and eliminate corrosion problems. These innovations are cost-effective, incurring virtually no increase in cost compared to the standard designs. This low cost removes an important practical obstacle to adoption.

Handpump Design

Please see this page for further details on the handpump design.

For information on current manufacturers of the windpumps and on our handpump work, contact the Poldaw team.