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The technical Q&A forum
for humanitarian &
development workers
 
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Anton Zhyzhyn | 26.01.2016
Generator petrol budgeting
2 answers
5k views
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efyson | 20.12.2015
What is the feasibility of using solar pumps in Ethiopia?
2 answers
548 views
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Anton Zhyzhyn | 07.12.2015
Replacing candles in tents
2 answers
9k views
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Dawn McGahey | 02.11.2015
Drawing water using solar power
3 answers
2k views
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MarkFabian | 28.10.2015
Faecal sludge treatment in high water table sandy soils
2 answers
4k views
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efyson | 06.10.2015
An opportunity: Ashden International Awards - innovative sustainable approaches to WASH
1 answer
2k views
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Neil Noble | 15.09.2015
How to make a stove wick production machine?
no answers
11k views
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Neil Noble | 04.09.2015
How much does solar water pumping cost?
1 answer
8k views
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Binaya | 02.09.2015
Seeking for some help regarding bio gas
1 answer
487 views
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Neil Noble | 24.08.2015
Developing Solar Water Pumping Technologies
1 answer
405 views
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Binaya | 17.08.2015
Want some help in building a hydro electrical plant in South Africa.
9 answers
2k views
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Adamson | 03.08.2015
Can batteries be installed on solar pumps to increase pumping hours?
6 answers
11k views
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Binaya | 17.07.2015
How much pressure is required to run a Pelton turbine to generate 440kw power?
3 answers
2k views
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Binaya | 15.07.2015
Information regarding groundwater pumping
2 answers
396 views
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Binaya | 03.06.2015
What are the negative environmental effects of biogas in the tropics or developing countries?
2 answers
6k views
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Neil Noble | 02.06.2015
Electricity subsidies in Southern Africa
3 answers
2k views
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Krischan Makowka | 26.05.2015
Does anyone have experience with pressure-tanks for small piped systems?
4 answers
5k views
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Binaya | 13.05.2015
5 answers
517 views
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N_Locus | 30.04.2015
Starting KVA Factor
3 answers
367 views
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Binaya | 15.04.2015
Any suggestions for the possibility of using photovoltaic panels to supply energy for a machine?
2 answers
3k views
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