Chuckles51

Hi I through mazak rot only a problem that effected older model's i.e a read somewhere some of the ex lima models. as they everyday is a school day. I will go and investigate and come back. Neil

Hi all I forgot to mention that it is the newer model 2011 release from Hornby R3451 so I don't think it is Mazak rot would be the cause of the problem but thanks for the suggestion. Neil

hi all I have a Hornby derailing on a third radius curve . what is happening is that as the front pony truck's rear wheel is lifting up as the loco enters the curve which then leads to a derailment. I have checked the back to back which is within tolerance and all my other locos go round without issues for years. Doe's anyone have any idea's as to what the problem is? Thanks in advance Kind Regards Neil

Hi all Removed the step's and it has solved the problem and goes round the layout fine, thank you all for your help and suggestions. Neil Cafferky

Tried This Somewhat worked having had a look at the bottom of the loco again I think the front steps is causing the problem I have attached an Image to see if this helps. Thanks for the Suggestion Neil

Hi all went away and had a look at my WD. What's happening is that when the pony truck reaches the curve it lifts up and hits the bottom of the chassis and jams and comes back down and derails when the last driving wheel reaches the start of the curve (the Curves are second radius ). the driving wheels move freely, the loco to tender coupling moves freely. regarding this "If the spring is correctly positioned does it positively maintain the wheelset in contact with the rail as you lift the front of the loco a millimetre.". I tried this and the loco stayed on no problem. Hope this helps Neil

It is the OO specimen. thank you for your reply lot's for me to look into and I will reply once I have tried your suggestions. Neil

Hi all I have a Bachmann WD 2-8-0 which keeps derailing on curves especially the front pony truck - any suggestions? Neil