No.4 Diamond Crossing or Single Slip
Progress with the
ballast on the mainline:
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The change from 'diamond' to 'single slip' required the
insertion of a new 'pink button' on the control panel to operate the 'turn
left' solenoids. The original 'straight
across mode' being catered for by the existing buttons:
As originally constructed the exit from the goods yard /
station was a simple diamond crossing with dead frogs:
This was then changed for a single slip. The switched frogs give excellent running
characteristics. However the rather
abrupt 'turn left' is too tight for some engine / tender combinations and is in
restricted use.
Now a close up of the newly ballasted crossing:
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