richardcdl Posted January 16, 2015 Share Posted January 16, 2015 I am delighted with my Hornby TSS P2 except for one thing: the front prony truck derails. I have tweaked the track in several places and reduced teh problem but not eliminated it. I even put in a new point. I have added some lead to the front pony truck but there are limits. I have written Hornby but still awaiting a replay. Has anybody any suggestions? Thanks Richardcdl Link to post Share on other sites More sharing options...
RMweb Premium Silver Sidelines Posted January 16, 2015 RMweb Premium Share Posted January 16, 2015 Out of interest have you checked the gauge - is the flange spacing on the pony truck wheels the same as the driving wheels? Maybe a case of squeezing them together or even pulling them apart. Regards Ray Link to post Share on other sites More sharing options...
richardcdl Posted January 17, 2015 Author Share Posted January 17, 2015 Yes, that was the first thing I tested. Since than I have added a small amount of lead into the pony truck. There is a definite space limitation but it is still a problem. I have other locos with pony trucks and all have some spring mechamism to apply force downwards. The P2 does not have that. Just a unique mechanism which allows a lot of side play and a little vertical play. Thanks for the advice though Richardcdl Link to post Share on other sites More sharing options...
RMweb Premium Silver Sidelines Posted January 18, 2015 RMweb Premium Share Posted January 18, 2015 Hello Richard - thought that might be too obvious. I have not had my hands on the P2 - not the right era for my laout - but it must have a rather long rigid wheel base. Did Hornby provide any recommendations for minimum radius? Is there enough 'side play' in the driving wheels - are these all to the correct gauge? Good luck Ray Link to post Share on other sites More sharing options...
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