GAIA Cornell Daily Log: Difference between revisions

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|imagestyle  =  
|imagestyle  =  
|caption      = Short description
|caption      = 20V brushless cordless drill — open hardware design
|captionstyle =  
|captionstyle =  
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|header1 = Specifications
|header1 = Specifications
|label1  = dfd
|label1  =  
|data1  = dfd
|data1  =  
|header2 =  
|header2 =  
|label2  = Product Ecology
|label2  = Product Ecology
|data2  = What other GVCS tools does this use?
|data2  = [[Workbench]], [[Power Supply]], [[Battery System]], [[CNC Torch Table]]
|header3 =  
|header3 =  
|label3  = License
|label3  = License
|data3  = [[OSHWA]] and [[OSI]] compliant. CC-BY-SA-4.0 International, GPLv3, [[DIN SPEC 3105]].
|data3  = [[OSHWA]] and [[OSI]] compliant. CC-BY-SA-4.0 International, GPLv3, [[DIN SPEC 3105]].
|header4 =  
|header4 =  
|label4  = Module 1
|label4  = Motor Module
|data4  = Describe features of Module 1
|data4  = 20V brushless DC motor; supports variable speed via PWM trigger
|header5 =  
|header5 =  
|label5  = Module 2
|label5  = Gearbox Module
|data5  = Describe features of Module 2
|data5  = 2-speed planetary gearbox; 3/8" keyless chuck
|header6 =  
|header6 =  
|label6  = Key Specification
|label6  = Key Specification
|data6  = Key spec data point
|data6  = 18V Li-ion, 400 in-lbs torque, 0–1500 / 0–400 RPM dual speed
|header7 =  
|header7 =  
|label7  = Construction
|label7  = Construction
|data7  = Describe basic construction technique and materials
|data7  = 3D-printed housing (PETG/PLA); off-the-shelf motor, gearbox, and trigger components
|header8 =  
|header8 =  
|label8  = Productivity
|label8  = Productivity
|data8  = Describe how this relates to industrial productivity on a small scale
|data8  = Replaces a $80–150 commercial drill; fabricable in a village workshop with basic tools
|header9 = Completion Status
|header9 = Completion Status
|label9  =  
|label9  =  
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|header10 =  
|header10 =  
|label10  =  
|label10  =  
|data10  = Describe whether built, prototyped, etc. Link to relevant [[Genealogy]] and [[Status of Completion]].
|data10  = Prototype assembled Mar 2026; motor bench-tested Jun 2026. See [[Genealogy]] and [[Status of Completion]].
 
 


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=Development=
== Sun Jun 15, 2026 ==


=== Meeting Summary ===
Jumping in hard on design work. Split into teams to work on different design aspects. The electrical team worked on battery needs and wiring. Mechanical team split into teams working on direction control switch, motor/gearbox housing, and handle/pcb housing.


{| class="wikitable"
=== Completed Tasks ===
|+ Development Template
* Ordered remaining electrical parts
!
! Description
! Link to Work Product
! %


|-
! scope=row |
| '''DESIGN''' ||  || 


|-
=== TODO ===
! scope=row | 1
* Continue design work
| [[Requirements + Value Proposition]] ||  [[GAIA Open Source Cordless Drill Requirements + Value Proposition]]  || 0
* Make rapid prototypes (Print! Print! Print!)


|-
=== Related Pages ===
! scope=row | 2
* [[Drill Initial Design Research]]
| [[Industry_Standards]] || [[GAIA Open Source Cordless Drill Industry Standards]] || 0


|-
== Sun Jun 8, 2026 ==
! scope=row | 3
| [[Conceptual Design]] || [[GAIA Open Source Cordless Drill Conceptual Design]] || 0


|-
=== Meeting Summary ===
! scope=row | 4
Motor components arrived and were tested on the lab bench.
| [[Module Breakdown]] || [[GAIA Open Source Cordless Drill Module Breakdown]]  || 0


|-
=== Completed Tasks ===
! scope=row | 5
* Research battery and energy constraints
| [[Design Guide]] || [[GAIA Open Source Cordless Drill Design Guide]] || 0


|-
! scope=row |
| '''TECHNICAL DESIGN''' ||  || 


|-
=== TODO ===
! scope=row | 6
* Purchase battery and an initial adapter for rapid prototyping
| [[3D CAD]] || [[GAIA Open Source Cordless Drill 3D CAD]] || 0
* Design and build a proper adapter later


|-
=== Related Pages ===
! scope=row | 7
* [[Drill Battery Research]]
| [[Basic Calculations|Calculations]] || [[GAIA Open Source Cordless Drill Calculations]] || 0


|-
== Sun Mar 1, 2026 ==
! scope=row | 8
| [[Electronics Design]] || [[GAIA Open Source Cordless Drill Electronics Design]] || 0


|-
=== Meeting Summary ===
! scope=row | 9
First meeting with the full team. We researched design constraints and began assembling a **bill of materials** for the prototype.
| [[Wiring and Plumbing]] || [[GAIA Open Source Cordless Drill Wiring and Plumbing]] || 0


|-
=== Completed Tasks ===
! scope=row | 10
Purchases for:
| [[Software]] || [[GAIA Open Source Cordless Drill Software]] || 0
* Motor ✓
* Trigger ✓
* Gearbox ✓
* Chuck ✓


|-
=== TODO ===
! scope=row |
* Find and purchase initial parts for testing
| '''BILL OF MATERIALS ||  ||
* Break into more concrete subteams:
** Mechanical
** Electrical
** CAD


|-
=== Related Pages ===
! scope=row | 11
* [[Initial Part Research]]
| [[Proper BOM|BOM]] || [[GAIA Open Source Cordless Drill BOM]] || 0
* [[Drill Bill of Materials]]
 
|-
! scope=row | 12
| [[vBOM]] || [[GAIA Open Source Cordless Drill vBOM]] || 0
 
|-
! scope=row | 13
| [[CAM Files]] || [[GAIA Open Source Cordless Drill CAM Files]] || 0
 
|-
! scope=row | 14
| [[Cut List]] || [[GAIA Open Source Cordless Drill Cut List]] || 0
 
|-
! scope=row |
| '''BUILD''' || ||
 
|-
! scope=row | 15
| [[Build Instructions]] || [[GAIA Open Source Cordless Drill Build Instructions]] || 0
 
|-
! scope=row | 16
| [[Fabrication Drawings]] || [[GAIA Open Source Cordless Drill Fabrication Drawings]] || 0
 
|-
! scope=row | 17
| [[Exploded Part Diagram]] || [[GAIA Open Source Cordless Drill Exploded Part Diagram]] || 0
 
|-
! scope=row | 18
| [[Production Engineering]] || [[GAIA Open Source Cordless Drill Production Engineering]] || 0
 
|-
! scope=row |
| '''LIFECYCLE DESIGN''' || ||
 
|-
! scope=row | 19
| [[Build Pictures and Video]] || [[GAIA Open Source Cordless Drill Build Pictures and Video]] || 0
 
|-
! scope=row | 20
| [[Data Collection]] || [[GAIA Open Source Cordless Drill Data Collection]] || 0
 
|-
! scope=row | 21
| [[Change Log + Future Work]] || [[GAIA Open Source Cordless Drill Change Log + Future Work]] || 0
 
|-
! scope=row | 22
| [[Troubleshooting and Repair]] || [[GAIA Open Source Cordless Drill Troubleshooting and Repair]] || 0
 
|}

Latest revision as of 22:52, 18 March 2026

GAIA Open Source Cordless Drill
Example alt text
20V brushless cordless drill — open hardware design
Specifications
Product Ecology Workbench, Power Supply, Battery System, CNC Torch Table
License OSHWA and OSI compliant. CC-BY-SA-4.0 International, GPLv3, DIN SPEC 3105.
Motor Module 20V brushless DC motor; supports variable speed via PWM trigger
Gearbox Module 2-speed planetary gearbox; 3/8" keyless chuck
Key Specification 18V Li-ion, 400 in-lbs torque, 0–1500 / 0–400 RPM dual speed
Construction 3D-printed housing (PETG/PLA); off-the-shelf motor, gearbox, and trigger components
Productivity Replaces a $80–150 commercial drill; fabricable in a village workshop with basic tools
Completion Status
Prototype assembled Mar 2026; motor bench-tested Jun 2026. See Genealogy and Status of Completion.
Do you want more of this? Get Involved
v · d · e

Sun Jun 15, 2026

Meeting Summary

Jumping in hard on design work. Split into teams to work on different design aspects. The electrical team worked on battery needs and wiring. Mechanical team split into teams working on direction control switch, motor/gearbox housing, and handle/pcb housing.

Completed Tasks

  • Ordered remaining electrical parts


TODO

  • Continue design work
  • Make rapid prototypes (Print! Print! Print!)

Related Pages

Sun Jun 8, 2026

Meeting Summary

Motor components arrived and were tested on the lab bench.

Completed Tasks

  • Research battery and energy constraints


TODO

  • Purchase battery and an initial adapter for rapid prototyping
  • Design and build a proper adapter later

Related Pages

Sun Mar 1, 2026

Meeting Summary

First meeting with the full team. We researched design constraints and began assembling a **bill of materials** for the prototype.

Completed Tasks

Purchases for:

  • Motor ✓
  • Trigger ✓
  • Gearbox ✓
  • Chuck ✓

TODO

  • Find and purchase initial parts for testing
  • Break into more concrete subteams:
    • Mechanical
    • Electrical
    • CAD

Related Pages

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