On this page you will find instructions for building hand pumps, windmills and hydraulic rams. If you are interested in one of the publications, please contact us.

Rotary Jetting Swivel

Author: Menno-Jan Rietema, Year of Publication: 2021, Language: English

Technical drawings of Swivel used for Rotary Jetting setup. (PDF)(Video of Rotary Jetting)

Amanzi pump

Author: Woud Goudbeek, Year of Publication: 2021, Language: English

Construction manual and drawings of the Amanzi pump.(PDF)

Technical Report 2018 Diever 450

Author: Chris Vos, Year of Publication: 2018, Language: English

Technical & construction manual for the Diever windmill in the most up to date version. (PDF)

Flamingo rope pump

Author: Freddy Alferink, Year of Publication: 2012, Language: Engels

Construction manual and drawings of the one-legged metal rope pump.
Construction manual (PDF 36 Mb) Manual (print quality version)
Construction manual (PDF 1.2 Mb) Manual (screen version)
Construction drawings (PDF 2.3 Mb) Construction drawings

Rope Pump FAQ

Author: extern (unknown)., Year of Publication: 2009, Language: English

Rope Pump FAQ. (PDF)

Rope Pump Construction Manual

Author: Freddy Alferink et al, Year of Publication: 2005, Language: English, French

Construction manual for the new version of the wooden rope pump. (PDF English) (WEB French)

Construction Manual for Pistons Extruder

Author: Freddy Alferink et al, Year of Publication: 2005, Language: Dutch

Construction Manual for the extruder of a rope pump pistons. (PDF, Drawings (zip))

Test HDPE Rope Pump Pistons

Author: F. Alferink, Year of Publication: 2004, Language: Dutch

Test results of the durability of the HDPE rope pump pistons. (PDF)

The Breurram Pump

Author: Gert Breur et al, Year of Publication: 2003, Language: English, Dutch, Spanish

Technical description of the Breurram, a simple water ram pump. (PDF English) (PDF Spanish)

Water Supply for Developing Countries

Author: Frans Brughuis et al, Year of Publication: 1991, Language: English, Dutch, French

Introduction to water supply for developing countries.

Technical Report 1990 Diever 450

Author: Frans Brughuis, Year of Publication: 1990, Language: English

Technical & construction manual for the original Diever windmill, which had wooden bearings and an outdated safety system. (PDF)

Wind Energy for Developing Countries

Author: Frans Brughuis, Year of Publication: 1990, Language: English, Dutch

An introduction to windmills for developing countries.

Construction Manual for a Cretan Windmill

Author: Niek van de Ven, Year of Publication: 1977, Language: English

Construction manual for a Cretan Windmill, which you can find on the WOT site. (PDF)