Another steam breakdown

[E&W Lucas]

You've clearly never seen the issues caused by loads of steam engine enthusiasts crowding round an engine with staff repeatedly shouting at the to keep the platform edges clear so normal services can run safely and the crowd paying no attention.

Equally a problem with "diesel enthusiasts", when a charter is running.

 

[341o2]

34067 has been back in action since April. The recent Swanage Belle trips have used Class 33 D6515 (which is based at Swanage and main line certified) as the drawback engine from Swanage to Southampton, so no need for a loco to be on the rear for the rest of the tour.

last year nearly every steam hauled train thrrough the New Forest ran down with steam at frouint and diesel to rear. Return journey diesel to frount to Southampton thern reversal so steam back on frount

One reason - fire hazard in New Forest Planned run 31 July cancelled due to fire risk

When Tangmere failed as per OP it was not necessary to obtain another loco to assist - there was already one on the rear