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Arcing_pickup_shoe.jpg (800 × 573 بكسل، حجم الملف: 115 كيلوبايت، نوع الملف: image/jpeg)
| Description |
The London Underground uses a 4-rail system in which the electrical return is isolated from the the running rails (the rails used by the train's wheels). The sparks seen here on a District Line D Stock leaving Ealing Common Station are quite normal and occur when the electric power collection "shoes" of a train that is motoring (i.e. drawing power) reach the end of a section of electric power rail. |
|---|---|
| Source |
self-made |
| Date |
unknown |
| Author |
Taken by SPSmiler |
| Permission (Reusing this image) |
see below |
 |
I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide. In case this is not legally possible: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +/- |
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