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Rolls-Royce will supply MTU propulsion systems for new Type 31 frigates of British navy


Rolls-Royce is to supply complete MTU propulsion systems for five new Type 31 general-purpose frigates for the Royal British Navy. In total, the order comprises of 40 engines and generator sets to be used for main propulsion and on-board power generation, the MTU Callosum propulsion control and monitoring system, and Integrated Logistics Support (ILS)
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Rolls Royce will supply MTU propulsion systems for new Type 31 frigates of British navy 925 001 Rolls-Royce is to supply complete MTU propulsion systems for five new Type 31 general-purpose frigates for the Royal Navy. In total, the order comprises of 40 engines and generator sets to be used for main propulsion and on-board power generation, the MTU Callosum propulsion control and monitoring system, and Integrated Logistics Support (ILS). (Picture Copyright: Babcock International Group)


Each new Brtish Navy Type 31 frigate will be powered by four MTU 20V 8000 M71 engines, each delivering over 8,000 kW. On-board power will be provided on each vessel by four MTU generator sets based on 16V 2000 M41B units, each delivering in excess of 900 kW.

In September 2021, Rolls-Royce will deliver the first shipset comprising four main propulsion engines and four generator sets to prime contractor Babcock International Group. Integrated Logistics Support for propulsion and onboard power systems will ensure efficient and cost-effective maintenance throughout their entire service life. It is expected that the MTU Callosum propulsion control and monitoring system will be officially added to the supply contract very shortly.

Sean Donaldson, Managing Director for Energy & Marine at Babcock International, said: “We’re delighted to welcome Rolls-Royce with its MTU solutions as a supplier to our Type 31 Programme. Its engines and on-board generator sets are already proving their mettle in numerous comparable vessels worldwide.”

The Royal Navy relies on Rolls-Royce propulsion solutions across its surface and submarine fleets. MTU Series 2000, 4000 and 8000 units will feature in future in most Royal Navy warships – in destroyers (Type 45), all frigate classes (Type 23, 26, 31) and submarines (Astute-class).

The Type 31 frigate, also formerly known as the Type 31e frigate or General Purpose Frigate (GPFF), is a planned class of frigate for the United Kingdom's Royal Navy, the first ship will be in the water by 2023 but the in-service date will 2027. It was announced on 12 September 2019 that the Arrowhead 140 design had been selected for the Type 31 Frigate.[36] A contract was formally awarded to Babcock Group on 15 November 2019, for an average production cost of £250 million per ship and an overall program cost set to be £2 billion with £1.25 billion value to prime contractor Babcock.

A September 2017 graphic released by the Royal Navy stressed modular adaptability and flexible construction of the design for export opportunities. Core requirements of the Type 31e frigate include a medium caliber gun, point defense systems, hangar, and a flight deck for Wildcat or ten-tonne helicopter operated by a crew of around 100 with space for 40 more personnel. The British government released a Request for Information (RFI) in September 2017, detailing the desired characteristics of the Type 31e. The RFI provides greater details such as a "Medium Calibre Gun" of greater than 57 mm (2.2 in), a point defense anti-air missile system, and the optional ability to launch and recover unmanned aerial vehicles. Forces News reported that the design will contain Sea Ceptor missiles, an advanced air and surface surveillance and target indication radar such as the Thales NS100[43] and be able to operate either an AgustaWestland Wildcat HMA2 or an AgustaWestland Merlin HM2.