![]() In the 1990s Barber-Nichols used this process to produce the new MK21 Air Turbines for Seawolf Submarines but the end of the Cold War and budget constraints led to the Seawolf being replaced with the Virginia-Class Submarine which is smaller, less expensive, and better optimized for post-Cold War missions. ![]() BNI proposed a unique machining process known as Electrochemical Machining which is ideally suited for turbines resulting in superior blade quality while simultaneously lowering cost and improving schedule. The Seawolf would be larger, faster, and quieter than its Los-Angeles-Class predecessor and by 1989 engineers at Barber-Nichols and Northern Research were developing the ten-stage air turbine that would be used in the extremely quiet MK21 Torpedo Ejection System. Navy’s aging fleet of Los Angeles-Class Submarines. In 1983 design work was initiated on the Seawolf-Class Submarine Program intended to replace the U.S. But this case study doesn’t start with the 2014 MK21 Air Turbine Pump contract award, it starts in the 1980s with some engineers trying to figure out how to cost-effectively manufacture an extremely quiet ten-stage turbine. The contract for twenty units to be delivered over a five-year period starting in 2015, was BNI’s largest contract to date, and the award was based in part on the company’s past performance supplying the ten-stage MK21 Air Turbine Subassembly. ![]() (BNI) a multi-year contract to produce MK21 Air Turbine Pump Assemblies for the U.S. In 2014 Huntington Ingalls Industries / Newport News Shipbuilding (NNS) awarded Barber-Nichols Inc. and Newport News Shipbuilding Pays Dividends with Lower Cost, Improved Schedule, and Superior Quality The Authentic Business Relationship Cultivated Between Barber-Nichols Inc.
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