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| Re: Reprograming displays and automated announcements (208240) | |||
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Re: Reprograming displays and automated announcements |
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Posted by WMATAGMOAGH on Sun Jan 29 19:22:05 2006, in response to Re: Reprograming displays and automated announcements, posted by RonInBayside on Sun Jan 29 18:07:20 2006. My understanding is that an odomoter factors in the speed of the train in to determining how far the train has gone, and then makes an announcement at the appropriate time. The reason the Acela announcements have not worked, according to what I have been told, is that the sensor simply measured how many times the wheel had turned without any regard to speed. As you probably know, a slower moving train will make fewer axle revolutions over the same distance a faster moving train does. |
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