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Clagging and Fire

Excessive exhaust smoke due to unburned carbon gives rise to the railway slang term clagging. Youtube has some spectacular examples, including those where flames are actually seen.

A BR Class 37 cold start on the Bo’ness and Kinneil Railway:

Another cold start, this time a BR Class 31 on the Great Central Railway:

From the US a Norfolk Southern Railway locomotive on fire:

More fun on the Norfolk and Southern caused by an exploding turbo charger:

The Russians try to prove that anything the Americans can do they can do too:

and again:

and again, just to prove it’s not a one-off: