The First Sea Lord, Admiral Philip Jones, clarified in evidence to the Defence Committee that the “WR-21 gas turbines were designed in extreme hot weather conditions to what we call ‘gracefully degrade’ in their performance, until you get to the point where it goes beyond the temperature at which they would operate… we found that the resilience of the diesel generators and the WR-21 in the ship at the moment was not degrading gracefully it was degrading catastrophically, so that is what we have had to address”.
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When this happens, the electrical load on the diesel generators can become too great and they ‘trip out’, leaving the ship with no source of power or propulsion.” Play Dauntless for free on Playstation 4/5, Xbox Series XS, Xbox One, Nintendo Switch, and the Epic Games store with true cross-play and cross-progression. Therefore a planned refit was scheduled to fully resolve the problems with the six ships in the class.Īccording to the as always in-depth and comprehensive defence analyst NavyLookout here, the vessels WR-21 gas turbine itself is of a sound design, however, the intercooler unit “has a major design flaw and causes the WR-21s to fail occasionally. In 2016 it was revealed that due to a design flaw on the Northrop Grumman intercooler attached to the ships Rolls-Royce WR-21 gas turbines, power availability was diminished considerably when functioning in the warm climate of the Persian Gulf and it quickly became apparent that the class was not operating as originally envisioned with some losing power mid-deployment. Royal Navy looking to accelerate Type 45 Destroyer repairs HMS Dauntless was the first and the Ministry of Defence is now looking to accelerate the project. The Ministry of Defence previously confirmed that all Type 45 Destroyers will have received upgrades to their power systems by the mid-2020s. It not only gives Dauntless a boost but could also power the technologies of tomorrow, such as energy weapons already under development for the Royal Navy in UK labs.” Ensuring previous issues have been addressed, a storeroom has also been converted into a high-voltage switchboard to deal with the extra power now generated – between four and five Megawatts. “To make the necessary upgrades, the two original diesel engines were removed and replaced with three more reliable, more powerful, cleaner generators. Known as PIP, the Power Improvement Project, addresses the resilience of the engines and power generation driving the many hi-tech sensors, systems and weapons on board the destroyer. “The team aboard say the trials have gone well, delivering a ship which is now faster, more reliable, greener and ready to embark future weapons.” The statement also adds that the trials have gone well: “The Type 45 destroyer has undergone extensive trials around the UK throughout the summer, laying the foundations for her five sister ships as the entire class of Portsmouth-based air defence ships undergo the same upgrade.” Under the PIP, the Type 45 lead vessel HMS Daring is currently receiving upgrades in Birkenhead, while HMS Dragon is receiving new engines as part of broader refit work at BAE Systems’ facility in Portsmouth.HMS Dauntless is back in Portsmouth after three months “testing her new engines to the limit”, say the Royal Navy. It will also enable us to embark and integrate future weapon systems, enhancing the lethality of the Type 45 destroyer,” the commander explained. “PIP has provided extra flexibility and power that ‘future proofs’ the class for the next 20 to 30 years. We have a duty to the rest of the Type 45 class to be thorough so we remain at the forefront of air defence operations,” HMS Dauntless Commanding Officer Ben Power said. “It’s important we do this right: we’ve tested PIP robustly to ensure it works correctly. The PIP was awarded to BAE Systems, BMT Defense Services, and Cammell Laird for 160 million euros ($157 million) in 2018.
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The trials and integration of HMS Dauntless’ new engine support the UK Ministry of Defence’s Power Improvement Program (PIP), a modernization initiative to upgrade the power and propulsion systems on the navy’s Type 45 fleet. Once the preparations are complete, HMS Dauntless will return to the fleet for worldwide deployment in 2023. The UK Royal Navy’s HMS Dauntless has completed three months of sea trials to assess its new engines.ĭuring the tests, the Type 45 Daring-class destroyer demonstrated “three more reliable, more powerful, cleaner generators” that replaced its two original diesel engines.Ī store cabin was also redesigned as a high-voltage switchboard to manage the additional power generation.Īfter the tests, the vessel returned to its homeport of Portsmouth for additional maintenance and system upgrades.
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