- Publisher: ITDG Publishing
- Format: Paperback | 88 pages
- Dimensions: 173mm x 241mm x 8mm | 181g
- Publication date: 1 December 1995
- Publication City/Country: London
- ISBN 10: 1853393126
- ISBN 13: 9781853393129
- Sales rank: 789,792
The treadle irrigation pump is able to lift up to seven thousand litres of water per hour using the power of the human body, and can be made locally at low cost in small-scale metalworking shops. Its acceptance in Bangladesh where it was first developed in 1984 is extraordinary, with over 500,000 pumps estimated now to be in use. The current design in this manual has evolved from the Bangladesh original into a fully portable pump with both lift and pressure capacity and is especially good for use in permeable soils where water cannot easily be distributed through channels.
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Carl Bielenberg, inventor and philanthropist, is the founder of the "Better World Workshop" based in East Calais, Vermont. Carl is well-known in the development community as the creator of a hand-operated oilseed press and foot-operated irrigation pump, and is an expert in sustainable energy and power-generation systems. He designed the VitaGoat boiler and is currently designing a vegetable and fruit dryer to run off the same boiler.
Table of contents
Foreword vii; Acknowledgements viii; Introduction ix; What's so special about the Treadle Pump? 1; Assessing the local market for Treadle Pumps 6; Cost Issues 11; Treadle Pump manufacturing instructions *. 15; 1 Making the pump cylinders 16; 2 Making the pump body 22; 3 Making the handle and treadle support 37; 4 Making the piston assembly 42; 5 Making and installing the valves 51; 6 Making the wooden parts of the pump 54; 7 Final assembly of the pump '. 57; Treadle Pump User's Manual 60; Appendix A Engineering drawing set 67; Appendix B Tool kit components 77