Boston Dynamics is notoriously secretive. But unlike with hydraulics, where Boston Dynamics have developed their own valves and pumps and organically shaped 3D

Boston Dynamics is notoriously secretive. But unlike with hydraulics, where Boston Dynamics have developed their own valves and pumps and organically shaped 3D printed in titanium manifolds, there is only so much that one can do differently from others with the electro-mechanical actuators and motor controllers. Everybody is using the same brushless motors with one of a few known types of gearboxes.These technologies are so well developed that one usually has no choice but to source the components from the experts in their respective domains. For now, the closest one can do to looking inside of the new Atlas, is to look at other modern robots. For example, here is what is inside of the Agility Robotics' bipedal robot: https://www.youtube.com/watch?v=YzIX2KGqpzI https://www.youtube.com/watch?v=YzIX2KGqpzI And here is a teardown of a joint from a very popular Universal Robots' arm: https://www.youtube.com/watch?v=oje2ucwe3vI https://www.youtube.com/watch?v=oje2ucwe3vI Other than that, one can read Boston Dynamics' patents covering some of the design choices for their older robots, including for the electric quadrupeds: https://patents.google.com/?assignee=Boston+Dynamics https://patents.google.com/?assignee=Boston+Dynamics