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Attach:D038_070803AirInletInAction.jpg Δ | Air bubbles in the bottle Name: Air inlet by means of suction
Target: to allow air to be sucked into the space below the single direction valve, this could eliminate the bicycle tire
Done where and by whom: San Juan la Laguna, Guatemala by Bram de Vries
Degree of success on scale 1 to 10: 8 Lot of airbubbles. Missing: pump reliability and adjustability.
Based on info from: Name mail, document or source.




Attach:D038_070728BurningBusTire.jpg Δ | Burning bustire Name: Harvesting wire from a bus tire by burning
Target: to investigate the amount of iron wire that is hidden inside a truck tire, as well as the ease to unveil it
Done where and by whom: San Juan la Laguna, Guatemala by Bram de Vries
Degree of success on scale 1 to 10: 7 A lot of good wire, much smoke, difficult to control. Missing: a means to control the burning and wire quality.
Based on info from: Name mail, document or source.




Attach:D083_070722FlowAndPressureMeasurement.jpg Δ | Special tool to measure flow and pressure Remark Describe the tool and the measuring in greater detail and with many more pictures
Name: Measuring flow and pressure
Target: to estimate the pump's performance
Done where and by whom: San Juan la Laguna, Guatemala by Bram de Vries
Degree of success on scale 1 to 10: 8 Realistic values. Missing: more measurements, closing small leaks
Based on info from: Name mail, document or source. Remark Take the trouble with ALL items to link to the source of the info or to the research to which it is a follow-up



Attach:D038_070714HappyDomingo.jpg Δ | íHay agua! Name: Installing the ram prototype in river Pakambal
Target: to test the latest ram design in reality
Done where and by whom: San Juan la Laguna, Guatemala by Bram de Vries
Degree of success on scale 1 to 10: 9 Reliable, well functioning. Missing: longer term test, other air bottle.
Based on info from: Name mail, document or source.



Attach:D038_070708_TileExerimentUpSideDown5.jpg Δ | Making the tiles up side down Name: Experiment with making the tiles up side down
Target: to obtain a flat surface made by hand, instead of dependancy on a certain surface
Done where and by whom: San Juan la Laguna, Guatemala by Bram de Vries
Degree of success on scale 1 to 10: 3 Though cheap, not flat enough for valve tile
Based on info from: Name mail, document or source.


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