GAIA Cornell Daily Log: Difference between revisions

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|caption      = 18V brushless cordless drill — open hardware design
|caption      = 20V brushless cordless drill — open hardware design
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|label4  = Motor Module
|label4  = Motor Module
|data4  = 18V brushless DC motor; supports variable speed via PWM trigger
|data4  = 20V brushless DC motor; supports variable speed via PWM trigger
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|label5  = Gearbox Module
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== 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 ===
* [[Drill Initial Design Research]]


== Sun Jun 8, 2026 ==
== Sun Jun 8, 2026 ==

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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