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|manifest-date-updated=2020-06-04
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|manifest-author-name=Kathy Nativi
|manifest-author-name=Kathy Nativi

Revision as of 16:31, 17 July 2020

FA info icon.svg Angle down icon.svg Device data
Manufacturing files https://www.youmagine.com/designs/777-osat-ram-pump
Hardware license CERN-OHL-S
Certifications Start OSHWA certification

Ram Pump

Project developed by nkbuday (Nick Buday)

Template:Statusboxtop Template:Status-design Template:Status-prototype You can help Appropedia by contributing to the next step in this OSAT's status. Template:Boxbottom

Abstract

  1. This OSAT project is the design and prototyping of a hydraulic ram pump. This pump features no motorized parts and can be left unattended for extended duration with minimal upkeep. This pump is designed to allow someone in an area with hills with a water source far away. The ram pump does have a lot of waste water compared to how much it pumps, so it is ideal to place the waste outlet into a natural occurring water source.
Ram Pump 1.jpg

Bill of Materials

  1. Standard Pop Bottle (~$2 USD)
  2. Super Glue (~$5 USD)
  3. Knife or cutting edge to clean up print if need be
  4. 3D Printed Parts
    1. [Link to FreeCad file and STLs]


Tools needed for fabrication of the OSAT

  1. MOST Delta RepRap or similar RepRap 3-D printer
  2. Knife

Skills and Knowledge Necessary to Make the OSAT

Technical Specifications and Assembly Instructions

  1. [Ram Pump Assembly]
  2. Print time ~~18 hours
  3. Assembly time ~~30 min
Ram Pump 2.JPG

Common Problems and Solutions

  • To avoid trouble with assembly, use the knife to smooth the parts till they fit "snug".
  • Highly recommended to print the adapters and restrictions at layer height of 0.3 mm
  • Highly recommended to print the pump bodies at layer height of 0.2 mm
  • Highly recommended to print the threads at layer height of 0.1 mm
  • When using super glue, be careful not to overdue it. Too much glue can clog areas of the pump. Just keep a towel or rag handy to wipe excess glue in some areas.
  • If the pump is struggling to pump water, make sure the source for the inlet is significantly higher than the pump (at least 1 meter)

Cost savings

  1. Material Costs total ~~$13.8 USD
    • Printinf cost ~~$6.8 USD
    • Resources cost ~~$7 USD
  2. Commercial 1" Ram Pump ~~$165 USD[1]
  3. Savings
    • ~~$151.2 USD in savings
    • ~~ 91% in savings

Benefited Internet Communities

  • Engineers Without Borders[2]
  • The Water Project[3]
  • Water For People[4]
  • Solea Water[5]
  • WaterAid [6]

References

[1]

  1. web page: Bernoulli's principle, Available: https://en.wikipedia.org/wiki/Bernoulli%27s_principle
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