Thanks, wasn't aware of roboy. You're absolutely correct re clutching actuators. There are a lot of robotics projects out there that combine small devices with

Thanks, wasn't aware of roboy. You're absolutely correct re clutching actuators. There are a lot of robotics projects out there that combine small devices with limited mobility to create a larger (multicellular) robot with higher mobility. All of these projects stumble on that particular aspect: maintaining a lock without consuming power. M-Tran, Symbrion, Distributed Flight Array, ...