Robot arm design
Design and construction of robotic arms with emphasis on mass, inertia, and actuation efficiency. Every Robotics Weekly story on robot arm design, newest first. 3 stories since September 2026.
- Younghyo Park asks if heavy arms hurt robot learning
A thread framing a question the field mostly ignores, with the numbers still to come.
- Seeed open-sources reBot-DevArm, down to every screw
Lukas Ziegler flagged a desktop arm released with hardware blueprints, a full parts list and SDK support, though the specs are the vendor's own.
Sound like you were at the demo
One email a day. Under three minutes. The demos, the deployments and the part the press release left out.
- RAI's AthenaZero throws a baseball at 113 km/h
The pitch is a stunt. The number under it is 3.97 kg of effective mass at the wrist.
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