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Old April 8th 17, 05:24 PM posted to uk.transport.london
[email protected] rosenstiel@cix.compulink.co.uk is offline
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Default Tube driver: The Job is going down the pan

In article , (Basil Jet)
wrote:

I've always wondered... do the wheel lathes merely subtract metal, so
a wheel with a three millimetre dent comes out losing three
millimetres of radius, or do they pour some liquid metal on the dent,
wait for it to cool and then lathe it down to the same radius as the
rest of the wheel?


The former. The extra metal comes at the wheel replacement stage.

--
Colin Rosenstiel