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Post by brigham on Oct 21, 2016 17:30:43 GMT
(On the C&SLR, the live rail was between the rails but off-centre to allow room for the coupling gear. The GN&CR had both the positive and negative rails outside the running rails, one each side). I wasn't aware that the GN&C were arranged asymmetrically outside the running rails. |
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Post by revupminster on Oct 21, 2016 19:30:26 GMT
Just another thought the signal current (5-10vac) would enter the right hand running rail to the signal relay and return to the left hand running rail back to the supply. Early engineers thought it best to keep the 630 dc traction current supply as far away as possible wherever possible. It can be anything from 5-30v and open circuit voltage can be upto 100v. I was looking at my rules and regs class notes dated may 1974, (sad I have still got them) |
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Post by Deleted on Oct 21, 2016 19:37:55 GMT
They still would of been the same back then but interesting to see what they said back in the day
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Post by norbitonflyer on Oct 21, 2016 23:42:21 GMT
I wasn't aware that the GN&C were arranged asymmetrically outside the running rails. As far as I am aware, they were only asymmetric in that one rail was positive and one negative. |
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