latestarter Posted March 14, 2022 Share Posted March 14, 2022 Carriages I got in the Hornby R3828 'Aberdonian' train pack, are derailing easily, and the bogies will not 'sit' on the track well. I wondered if anyone had heard of this issue, and might offer a solution. Thanks for any suggestions. Link to post Share on other sites More sharing options...
scouse889 Posted March 14, 2022 Share Posted March 14, 2022 Sorry to hear you are having issues. I have this train pack and haven't experienced any issues. Are all of your coaches derailing or just one or two of them, and do the derailments happen in the same place on the track? Do you have other Mark 1 coaches from Hornby that you can use to check it isn't an issue with the track? Have you checked that all of the wheels are sitting properly in the bogies, on both sides? Sometimes they come out of place in transit which might lead to the derailments and the coaches no sitting properly..... 1 Link to post Share on other sites More sharing options...
latestarter Posted March 14, 2022 Author Share Posted March 14, 2022 (edited) 49 minutes ago, scouse889 said: Sorry to hear you are having issues. I have this train pack and haven't experienced any issues. Are all of your coaches derailing or just one or two of them, and do the derailments happen in the same place on the track? Do you have other Mark 1 coaches from Hornby that you can use to check it isn't an issue with the track? Have you checked that all of the wheels are sitting properly in the bogies, on both sides? Sometimes they come out of place in transit which might lead to the derailments and the coaches no sitting properly..... It may be only one coach, but I need to double check. It happens on curves but in different places. I've got a couple of older coaches, but nothing comparable to check them against. I'll check the wheels but I didn't know anything obviously out of place. Thanks for the suggestions. Edited March 14, 2022 by latestarter Link to post Share on other sites More sharing options...
RMweb Gold JohnR Posted March 14, 2022 RMweb Gold Share Posted March 14, 2022 The first thing that springs to mind is that the back-to-back measurement of the wheels might be out - its not unknown for them to come fo9rm the factory wrong. The distance between the backs of the wheels should be 14.5mm, if you can measure it. 3 1 Link to post Share on other sites More sharing options...
RMweb Premium andythenorth Posted March 14, 2022 RMweb Premium Share Posted March 14, 2022 Metal back-to-back gauges are not expensive on eBay (probably also available in other places). I was sceptical at first, but has been worth while, fixing the back-to-back has cured repeat derailments in the majority of cases. 1 1 Link to post Share on other sites More sharing options...
Michael Hodgson Posted March 14, 2022 Share Posted March 14, 2022 Certainly sounds like back to back. If they're OK, then look at the track. If that's OK, check the bogie - is it swivelling freely, could be catching on something, maybe a bit moulding sprue/flash where it doesn't belong? 1 Link to post Share on other sites More sharing options...
latestarter Posted March 14, 2022 Author Share Posted March 14, 2022 (edited) Thanks for the suggestions guys. I've been having trouble buying a back-to-back gauge in Ireland, the postage from the UK can be prohibitive. I'll have another look. I did try and check the swivel on the the bogie. It seems to be ok. Edited March 14, 2022 by latestarter Link to post Share on other sites More sharing options...
Fireline Posted March 15, 2022 Share Posted March 15, 2022 9 hours ago, latestarter said: Thanks for the suggestions guys. I've been having trouble buying a back-to-back gauge in Ireland, the postage from the UK can be prohibitive. I'll have another look. I did try and check the swivel on the the bogie. It seems to be ok. If you can't get a back-to-back gauge, a digital caliper (or similar) works just as well. Link to post Share on other sites More sharing options...
latestarter Posted March 15, 2022 Author Share Posted March 15, 2022 Thanks for the suggestions guys. I've sent for a back-to-back gauge on eBay. it's a sheet of green plastic with a cut out to the correct width of the back-to-back gap. I got this because it was much less expensive for the postage (which can be £20+ to Ireland, for even small items). In the meantime, I noticed that the axle on the rear set of wheels in the rear bogie of one of the carriages, had slipped out of its retaining hole in the bogie. I re-seated it it and it's running better now. I'll check all the back-to-backs when the plastic cut out arrives! Link to post Share on other sites More sharing options...
Michael Hodgson Posted March 15, 2022 Share Posted March 15, 2022 1 hour ago, latestarter said: In the meantime, I noticed that the axle on the rear set of wheels in the rear bogie of one of the carriages, had slipped out of its retaining hole in the bogie. That alone would be enough to caus derailments, as the bogie probably isn't sitting four-square on its wheels. A simple test for that is to stand it onto a sheet of glass and see if it rocks. 1 1 Link to post Share on other sites More sharing options...
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