The propulsion engines and generator sets for the power supply of the three new Miecznik multi-purpose frigates for the Polish Navy are currently being built at the Rolls-Royce Power Systems Division in Friedrichshafen.
Four 20-cylinder mtu Series 8000 engines with 8,200 kW each and four 12-cylinder mtu Series 4000 gensets with 1650 kW mechanical power each will be installed on each vessel.
20-cylinder mtu Series 8000 engines for propulsion. Photo: mtu
The CODAD (combined diesel and diesel) propulsion system consists of two engines per shaft/propeller and can be used flexibly in different combinations - from single engine operation for slow patrols to high-speed operation at over 20 knots (37 km/h) with all four engines. At a cruising speed of 12 knots (approx. 22 km/h), the frigates have a range of around 8000 nautical miles (almost 15,000 kilometres).
The on-board generators provide the electrical power grid for ship and mission operations independently of the propulsion engines. The ships' tasks range from the protection of naval bases to maritime surveillance and the ability to engage surface, underwater, land and air targets.
The first ship of the Miecznik class (swordfish), which is based on the British frigate concept Arrowhead 140 (Type 31 - Inspiration Class), is currently being built at the state-owned Polish Defence Group (PGZ shipyard) in Gdynia.
marineforum.online reported on 07.03.2022 "Poland: Decision in the Miecznik project"
The launch of the first ship "ORP Wicher" (138 metres long, 5700 tonnes) is planned for 2026, with commissioning scheduled for 2029. The two other ships "ORP Burza" and "ORP Huragan" are to be handed over to the Polish Navy by 2032.
kdk
Source: mtu
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