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| Re: Rubber-tired subways (1163675) | |||
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Re: Rubber-tired subways |
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Posted by Wado MP73 on Wed Jun 27 09:52:47 2012, in response to Re: Rubber-tired subways, posted by SelkirkTMO on Mon Jun 25 22:42:08 2012. After converting three lines for pneu, in came an all-motor steel wheel rolling stock which gave similar acceleration and deceleration rates. And even that was later thought too much and they exchanged two motors with trailers.The last line to be converted was line 6 and that was because it had long sections of elevated running and the pneu stock was certainly quieter than the Spragues it replaced. Line 2 also with outside running was considered for conversion but the newer steel stock were quiet enough so it didn't happen. Much later line 14 was built from scratch with pneu and from what I heard has grades not suitable for steel wheel. (Although parts of the line was used for fan trips with older pneu and steel wheel stock) BTW, flat tires happen about once a month. |
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