Asked
— Edited
The Giant Spider Of Liverpool, La Princesse
How many Ez-b4's do you think it would take to control this spider? this is nice I wish I could have seen it in person.. 
Relative Servos
— Synchronize servos by designating a master; slave servos mirror scaled (decimal/negative) positions with min/max limits and pause control
Try it →
Very cool. Looks like all Hydraulics and is build and operated like a backhoe. I see the "driver" operating leavers near the head.