littoral combat ship propulsion

Littoral combat ships are comparable to the corvettes found in other navies. The LCS is a fast, highly manoeuvrable, networked surface combat ship, which is a specialised variant of the family of US future surface combat ships known as DD(X). Image: Reuters.

Complications and cost compounded. Yet as missions shift, LCS remains saddled with a high-speed design. The 13-feet-long, sea-skimming missile weighs 900 pounds and can strike targets as far as 100 miles away, making it by far the LCS’s most powerful weapon. Detroit suffered a casualty to its propulsion system and is returning to port in Florida for repairs. Independence, delivered to the Navy at the end of 2009, … Mission modules will have the capability to be changed, tested and available to be deployed within 24 hours. “So far as I know there was no analysis done to determine if 45 knots was better than 35 or 50 knots.”, The original crew size of 40 was chosen the same way, compounding the problem, added one Hill staffer: “The lack of a traditional AoA (Analysis Of Alternatives) or certainly the lack of deep analysis led to the small crew requirement as well, one that I personally have been skeptical about from the very beginning. In fact, the whole hull of both variants is optimized for 40-plus knots: the Lockheed Martin-built Freedom class is based on an Italian racing yacht, the Austal Independence on a triple-hulled trimaran ferry. A complete cure could require redesigning the engines. “There may have been some other minor problems, but the significant ones have been propulsion. Littoral combat ship mission modules. The service in 2019 asked Congress for around $1 billion for the first ship in the new class. Parsons is playing a key role in the U.S. Air Force’s Advanced Battle Management System (ABMS), which collects and fuses information in new ways that will enable the Army’s JADC2 vision. In 2019 just six LCSs in theory are deployable. Sign up and get Breaking Defense news in your inbox. But the more the problem turns out to be built into the engine, the more intractable and expensive it will be. Then, possibly, the small crew and power plant complexity create a self-licking ice cream cone of engineering problems.”, “It’s probably better to have a more deliberate process to come up with a new platform like that that you’re going to keep around for 20 years,” said Bryan Clark (no relation to the CNO). It’s been widely reported that LCS’s smaller crew is overburdened by the demands of maintaining and operating a high-tech warship, even with extra contractor support ashore. And that marks the deployment of LCS; there will always be LCS forward-deployed now, just like we designed the program.”. U.S. Southern Command in February 2019 announced that Detroit would conduct counterdrug operations. Its speed, strength and versatility make it a critical tool to help sailors achieve their missions. The U.S. Navy Littoral Combat Ship USS Gabrielle Giffords fired an anti-ship missile at a target vessel during an Oct. 1, 2019 exercise off the coast of Guam. The Freedom-variant Littoral Combat Ship is a resilient, flexible warship, designed from the keel up to affordably take on new capabilities including advanced sensors, missiles and cutting-edge cyber systems. LCS-2, USS Independence, followed by LCS-1, USS Freedom, showing the two different designs. Six are training ships. USS Little Rock in early 2020 also would deploy from Florida. "We expect to have a littoral combat ship this year, and that will be a big benefit for our exercise program for our engagement with partners and because of the flexibility it brings for counter-narcotics interdiction," SOUTHCOM commander Adm. Craig Faller said.

Topics: acquisition, acquisition reform, adm. thomas rowden, Austal, Bryan Clark, Center for Strategic and Budgetary Assessments, CODAG, Combined Diesel And Gas, diesel engines, frigates, gas turbine engines, lcs, LCS stand-down, lcs-1 freedom, LCS-2 Independence, littoral combat ship, lockheed martin, military personnel, military readiness, navy, norman polmar, shipbuilding. Fortunately, the hull isn’t breaking down — at least not any more. The mission modules may be integrated into standard-sized containers … The littoral combat ship USS Freedom (LCS 1) is underway conducting sea trials off the coast of Southern California on February 21, 2013. Gabrielle Giffords, a triple-hull Independence-variant of the LCS, launched a Naval Strike Missile at the ex-USS Ford, a decommissioned frigate, as part of a joint sink exercise, or SINKEX, that also involved the Republic of Singapore Navy. “That’s not the best hull design for driving around at 15 knots, (but) they’re not going to be able to change that,” Clark said: If you redesign the hull, you have to redesign everything. Giffords is the first of the 3,000-ton-displacement ships to carry the weapon, although it could become standard on the class. But it’s based on some undisputed facts. Every other non-nuclear Navy warship uses either only diesels — as on smaller, slower amphibious ships (LSDs and LPDs) — or only turbines — as on larger amphibs (LHAs and LHDs), cruisers, destroyers, and even the small Perry-class frigates that LCS is meant to replace. This first appeared in October 2019. Both LCS variants have an unusually small crew for their size, even after the Navy increased the number of “core” sailors from 40 to 50. The Independence LCS doesn’t have a combining gear as such, but Navy Times described that variant’s breakdown as occurring in “the part of the engine where power from its four engines are combined and transmitted to the propulsion system.”.

But the problems of the last two years have been mostly, if not exclusively, related to the engines.

At issue: the unhappy combination of an unusually small crew struggling with a uniquely complex propulsion system, one that yokes gas turbines and diesel engines together. After two years of embarrassing breakdowns in both variants of the embattled Navy Littoral Combat Ship, there are worrying signs that a reliability problem is built into the design.

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