My expierience with big locos

[Schraddel]

The problem with the cardan joints i will treat when one of the horned balls is really cracked.
Then plan B will take it's bearing:






Meanwhile the final execution was found. The problem was that during handling of the engine the shafts with the horned balls tends to slip out of it's counterpart. It was then a very painful process to get the joints reengaged. Often the boilershell has to be removed to get the universals back.
These jackets are now preventing all the hassle.
And often the telescoping steam pipes of the front engine slids out of their counterparts too. :wait:





This is the maximum angle which the two groups of drivers can deflect.





This is the running gear in a radius of app. 550mm. There is still play.


Cheers Lutz