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