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| Re: Technical Discussion About Axle Journal Bearings (693234) | |||
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Re: Technical Discussion About Axle Journal Bearings |
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Posted by RonInBayside on Sat Oct 11 23:57:10 2008, in response to Re: Technical Discussion About Axle Journal Bearings, posted by nasadowsk on Sat Oct 11 22:28:10 2008. When an RFP os put out for a railcar, one advantage of not specifying inboard vs. outboard bearings is to allow the competing manufacturers the freedom to present a case for the best railcar designs they feel will serve the need. One manufacturer might go with an inboard bearing for the reasons stated in this thread, or other reasons (how valid they are is not something for me to judge). Then another manufacturer could offer a competing design with outboard bearings, and say in their proposal, as Train Dude points out, "We feel outboard bearings will help your maintenance people, prevent derailments and get your cars in and out of the shop quicker" etc etc.In general, the more details you specify up front in an RFP, the fewer options each bidder has to present you with a new or different approach. Going too far in that direction is not a good thing, in my opinion. |
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