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Leg before installation of pneumatic and electric components. Note the physical safety limit of how far the knee will be allowed to bend:
Safety limit for allowed ankle movement:
The leg straight up. The safety limit at the knee won't allow bending the knee back.
Angle view of the prototype. The frame is machined aluminium.
Upper leg and lower leg frame are welded, and the remaining pieces
are connected with heavy-duty screws and pivots at the knee and the ankle.
