Title of the device or system

Project developed by Cassie Gietek[1]

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Abstract

  1. This micro water turbine can be paired with a DC generator for power generation applications. The micro design allows for the turbine to be extremely portable and light weight, allowing for power to be available to remote areas. The micro turbine will only produce a small amount of power allowing the user to charge a battery, cell phone, or other small device.
  2. Waterturbine.JPG

Bill of Materials

  1. A Delta Athena II printer or similar 3D printer
  2. __ g of 3D printing filament
  3. 8x 3 mm screw or bolts with nuts
  4. 1x 3-12 V DC generator
  5. 1 x 50 mm circular rubber seal
  6. 40 mm of rubber sealing
  7. screw driver or other tool to fix bolts
  8. scissor may be needed to cut rubber sealing.
  9. Stl and open scad files can be found here: https://www.thingiverse.com/thing:3263806
  10. The turbine wheel can be found here: https://www.thingiverse.com/thing:59445
  11. A 3-12 V DC generator similar to the one found here on Amazon: https://www.amazon.com/EUDAX-Generator-Electric-Turbine-Cranked/dp/B078MSFFH5/ref=sr_1_1?ie=UTF8&qid=1544070605&sr=8-1&keywords=small+dc+generator

Tools needed for fabrication of the OSAT

  1. MOST Delta RepRap or similar RepRap 3-D printer
  2. small screw driver and wrench

Skills and Knowledge Necessary to Make the OSAT

  • basic knowledge of wiring and electrical components may needed to hook the generator to a battery or other energy consumption source.

Technical Specifications and Assembly Instructions

  1. 40% trihexagon infill was used when printing the casing
  2. 90% trihexagon infill was used when printing the shaft and the bearings
  3. Provide directions for print/assembly - be detailed enough in your “how to” to ensure that someone could construct the device from your description. Consider the elegance of IKEA like instructions.
  4. The estimated print time is approximately 9 hours (4 hours for each side of the casing + 40 minutes for the bearings and shaft)
  5. To assembly the entire micro water turbine it will take about 30 minutes
  6. Including drawings or pictures of the device at stage of assembly at minimum. (http://www.appropedia.org/Special:Upload)

directions coming soon by Friday, 12-7-2018!

Common Problems and Solutions

  • Include common mistakes/problems to avoid in building your OSAT and how to overcome them

Cost savings

  1. Estimate of filament need: $_
  2. DC generator $2.50
  3. Rubber seals and gaskets: $2.00
  4. 3mm bolts: $1.00
  5. Total Cost:
  6. The commercial equivalent's range for $10 to $40.
  7. Calculate $ savings and % savings

Benefited Internet Communities

  • Name and add links to at least 5 using single brackets around [url name]

References

  • The sources of information (e.g. engineering handbooks, journal articles, government documents, webpages, books, magazine articles etc.). References should use the <ref> </ref> and <references/> tags and can be in any format but should include all the information necessary for someone else to find the same information you did. For example: [1]
  1. web page: Department of Energy (DOE) Landscaping and Energy Efficiency, DOE/GO-10095 (1995) Available: http://www.eren.doe.gov/erec/factsheets/landscape.html

Based on the developmental needs addressed (e.g. food, heat, electricity, clean water, health care, etc.) be sure to label your device in the proper categories e.g. use [[Category:Water]]. Be sure to categorize your device so that it will be easy to find – for example “Low voltage connection basics” is categorized in [[Category:How tos]] [[Category:Electricity]] [[Category:Electric lighting]].

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