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[quote user="CMStPnP"]It would be interesting to find out exactly what they did to make the design fail the test. Though I don't think we will ever know. Europeans and Japanese both have a far different design philiosophy than we do when it comes to passenger carrying equipment[/quote] It disturbes me much more that N-S tried for over a year to find a correction to the problem. I don't think it has to do with the different design philosophy regarding passenger rail equipment. N-S is used to handle design of CEM element for a long time. And they know stiffness requirements too. The difference is they are lower in Japan than the USA. Sometimes you can run into problems if the owner defines too many design limits. As Siemens stated they were not able to keep the PRIIA weight limit for the Brightline car and question if it is possible for the single-level PRIIA cars. The difference of just 2,000 lbs as posted above between a Siemens European car and the PRIIA single-level coach weight limit seems too low. In the past it was between 10,000 and 20,000 lbs. Perhaps similar happened with the bi-level cars. Regards, Volker
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