Hydro Armor 3500HD-B-02
Hydraulic tiltable rudder propeller / navigator
With Hydro Armor hydraulic rudder propellers you will achieve significant cost savings because purchase, maintain and repair is much cheaper compared to mechanical rudder propellers.
The tiltable system has a break-pin systems to prevent any damage in case you might hit something. These pins will break and the propeller will automatically tilt upwards.
This type is often used on split barges.