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SCHOTTEL STPs FOR CANADIAN ELECTRIC-READY FERRY

SCHOTTEL STPs FOR CANADIAN ELECTRIC-READY FERRY

Thursday, February 18, 2021 

German propulsion manufacturer Schottel has been awarded a contract to deliver main propulsion units for one car ferry to Vancouver-based company Western Pacific Maritime.

The newly built vessel ordered by the British Columbia Ministry of Transport and Infrastructure will be equipped with four high efficiency Schottel TwinPropellers. Once operational, it will serve the Kootenay Lake in British Columbia. This move will reinforce Schottel’s position in the Canadian ferry market.

The main propulsion consists of four 360 kW Schottel STP 150 L Twin Propeller units, driven by efficient PEM motors. Featuring a propeller diameter of 1.1m, the STPs enable a speed of up to 13.5 knots. In order to ensure a reliable 24/7 service, a fifth structurally identical unit has been ordered as a spare. Designed by Polar Design Sales, the new vessel will be configured as a diesel-electric hybrid with all the systems, equipment and components ready for fully electric propulsion in future.

To ensure quick and easy installation at the future operational site, the STPs will be conceived as plug-and-play units. The STPs are designed so that they can be serviced while the vessel is afloat.

The STP is the suited to vessels or applications with limited installation space, draught or propeller clearance. Based on the principle of the SRP, the STP ensures combined thrust and 360-degree manoeuvring power with its two co-rotating propellers. Distributing the load over two propellers boosts the propulsion system’s efficiency and noise and vibration levels underwater and on board are reduced to a minimum.

The 89m long and 25m wide vessel will be able to accommodate up to 61. It will be fully converted to electric propulsion by 2030, once shore power is installed and ready for use on a daily basis. As part of CleanBC, the province is working to electrify the inland ferry fleet by 2040.

The new ferry will be ready for service in early 2023 with more than double the capacity of the Balfour, which it will replace. Kootenay Lake is a long, narrow and deep fjord-like lake located between the Selkirk and Purcell mountain ranges in the Kootenay region of British Columbia. It is one of the largest lakes in British Columbia at 104km in length and 3km to 5km in width.

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