Mechanical Description of a Hyper-Redundant Robot Joint Mechanism Used for a Design of a Biomimetic Robotic Fish
Figure 14
The three servomotors are attached with superglue (Cyanoacrylate glue) to themselves. Superglue was also used for the main bond between them and the wooden tail base with Araldite glue (Epoxy) acting as bulk support (being more voluminous).