Superbloc BC3 Demonstration

This demonstration cabinet contains an oval of track which is divided into 4 sections. Each of these is controlled by a BC3, MERG Kit 38. These are arranged for anticlockwise travel, if on entering a section the section in advance is occupied then the train will be brought to a halt. There are also 4 signals which reflect the status on the section in advance, these are driven by SD2s MERG Kit 36.
BloNg the original idea
http://merg.org.uk/merg_resources/superbloc.php
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