Special motor-generator in combination with storage battery reduces power consumption to 30 watts per classified car when yard is being operated at capacity; importance of automatic switching.
New Haven develops unique power supply for retarders at Providence Yard
Ry. Signaling
Railway Signaling ; 89 , n 1
1931
4 Figures
Article (Journal)
English
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Car retarders facilitate operation in New Haven yard
Engineering Index Backfile | 1929
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