@Pace
I am not qualified to know how sensitive these false arms are to making such fine changes as not only do loading frequencies require delicate pushing movements but also twisting movements.
As an entertaining diversion, try yootoob or googoo for "JCB display/demonstration team"
Effectively, you have the same situation Operator twiddles joystick which operates hydraulic valves, which move rams, which move arms/linkages/components.......so, there's plenty of system "slop",- yet he can still make the machine pick up a matchbox without crushing it!
Does the control- chain sound familiar? The insertion of a Prostheticlimb into that chain, is a totally insignificant detail.
I don't ever remember seeing a single piece of broken.discarded false limb abandoned inthe environment,therefore one can conclude they're pretty well built.....OTOH, one sees plenty of broken aircraft bits around!
