Many thanks to John Shetui (seen above) for working with me on the pump described in this report, and to David Wright of ITDG UK for the germ of the idea.

To the Ministry of Water Development in Morogoro and Dar es Salaam, UNICEF Dar es Salaam, and to Mount Carmel Rubber Factory Dar es Salaam for gifts, loans and sales of various parts.

To Howard Hepworth and Mr Ryoba of Ilonga Research Station and to the villagers of Ulaya Ijamaa Village for trying out an early prototype.

To the staff and students of the Department of Agricultural Engineering and Land Planning, University of Dar es Salaam, Morogoro Tanzania for help: John Mzuanda, John Sokoro, Ramadani Mhando, Rayner Kassana, Philbert Mendile, John Maswanya, John Shetui, Henry Kamukara, Geoff Mrema, Kayumbo, Massawe, John Dumelow, Martin Parkes, Ranjiv Singh, Lalit Kumar, Frank Inns, Henrik Have, Professor Rana etc etc...

To the University of Dar es Salaam and the UK Ministry of Overseas Development (BESS) for paying my wages.

To the Small Industries Development Organisation (SIDO) Morogoro Branch for a development request in 1976, and to UNICEF for their 2 orders for prototype pumps.

To VITA (USA) www.vita.org vv@vita.org and ITDG (UK) www.oneworld.org/itdg itdg@itdg.org

for supplying reports on existing pumps.

INTRODUCTION ...................................................... Pump040.htm

OBJECTIVES...............................................................Pump050.htm

REVIEW OF WATER LIFTING DEVICES AND PUMPS...............Pump060.htm

LITERATURE REVIEW – HUMAN ENERGY UTILISATION.......Pump070.htm

PROGRAM OF PUMP DEVELOPMENT AT MOROGORO............Pump080.htm

PUMP CONSTRUCTION.....................................................................Pump090.htm

PUMP DRIVE MECHANISM..............................................................Pump100.htm

PUMP PERFORMANCE......................................................................Pump110.htm

DRIVE MECHANISM COMPARISON..............................................Pump120.htm

PRODUCTION COSTS........................................................................Pump130.htm

OPERATIONAL COSTINGS...............................................................Pump140.htm

SUMMARY AND CONCLUSIONS....................................................Pump150.htm

REFERENCES......................................................................................Pump160.htm

APPENDIX........................................................................................... Pump170.htm

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