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# Materials Needed: | # Materials Needed: | ||
## Drill Bit(s) of varying sizes - any standard drill bits should fit this drill. | ## Drill Bit(s) of varying sizes - any standard drill bits should fit this drill. | ||
## [[ | ## [[https://www.thingiverse.com/thing:2291395 STLs and Open-Source (Blender) Source Files Download]] | ||
== Tools needed for fabrication of the OSAT== | == Tools needed for fabrication of the OSAT== |
Revision as of 01:09, 3 May 2017
Hand Pump Drill (Spring-Loaded)
Project developed by [Limitless285]
Template:Statusboxtop Template:Status-prototype You can help Appropedia by contributing to the next step in this OSAT's status. Template:Boxbottom
Abstract
- This Hand Pump Drill is a mechanical drill that utilizes human effort to perform the functions of a drill. In locations where power tools are too expensive or there is little access to electricity, a hand drill is an effective solution. 3D printing these means they can be very cost efficient - less than $0.25 in filament, a spring, and drill bits.
- First Draft
- First Draft w/ Spring
- Final Draft image coming soon!
Bill of Materials
- Materials Needed:
- Drill Bit(s) of varying sizes - any standard drill bits should fit this drill.
- [STLs and Open-Source (Blender) Source Files Download]
Tools needed for fabrication of the OSAT
- Jellybox or similar RepRap 3-D printer
Technical Specifications and Assembly Instructions
- 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.
- Include print time estimate
- Include assembly time estimate
- Including drawings or pictures of the device at stage of assembly at minimum. (http://www.appropedia.org/Special:Upload)
- Consider video if appropriate
Example video summary of textbook |
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Common Problems and Solutions
- Include common mistakes/problems to avoid in building your OSAT and how to overcome them
Cost savings
- If your solution is not a low cost one then it is not really appropriate.
- Estimate your costs
- Find a commercial equivalent
- Calculate $ savings and % savings
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]].