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| Re: And the R-179 contract goes to.... (1147482) | |||
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Re: And the R-179 contract goes to.... |
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Posted by Wado MP73 on Fri Mar 30 12:10:26 2012, in response to Re: And the R-179 contract goes to...., posted by J trainloco on Thu Mar 29 22:32:09 2012. In today's world of proprietary components, the only way such a compatibility could be achieved would be requiring every bidder to use the same components. Sole sourcing of the components would drive the price up significantly, and likely dissuade some companies from bidding at all. For example, Alstom, Kawasaki and Bombardier all have different propulsion packages. How would you mandate that these be made compatible?I think you are misunderstanding the concept of compatibility. Some of the private railways in Japan have been mixing equipment of different generations in the same consist. For example, the Odakyu Railway mixed older equipment with resistor grids and HSC-D braking with modern equipment with IGBT VVVF inverters and regenerative braking successfully. It's not the difference in components and propulsion packages that make car classes incompatible. You need to specifically design them to be compatible. |
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