Tie bars connect both rudder tillers on twin rudder boats to simply synchronise them together.
Tie bars can be adjusted to suit rudder toe-in angles optimised by CFD to reduce appendage drag and increase boat speed.
Important parameter for tie bar design is buckling force generated by rudders and hydraulic rams that every bar ought to withstand. CJR carefully calculates generated forces, tie bar strength and applies buckling resistive profile to minimise component weight.
Tie bar can be manufactured out of mild steel, stainless steel, aluminium or carbon fibre bars. They can be adjustable or fixed length fit for purpose or approved by classification societies.