Azimuthing underwater mountable thrusters

The range of Rolls-Royce underwater mountable thrusters are designed for easy underwater mounting and dismantling without dry-docking the application.

This is of utmost importance to large vessels and semi-sub oil drilling rigs. The procedure is performed easily and safely, thanks to a specially developed lifting arrangement and a unique sealing and locking device incorporated in the thruster column. The thrusters are available with CP and FP propeller.

Type USE is designed for installation in dry conditions. This type can be mounted directly to the hull or in a container. The container can be either of retrievable or retractable type.

Type USL is a compact design with bottom well and foundation - for vertical drive motor. USL installation method involves wet mounting from the top through a wet casing.

The basic unit is also available for dry-dock installations.

Typical applications

• Semi-sub drilling rigs/ships
• Production vessels