TVR1707822112 Posted June 4, 2022 Share Posted June 4, 2022 Hi allI have an unrebuilt merchant navy class (35029 Ellerman Lines) which derails when going round second radius curves. This is due to the front bogie not having enough turning room. Do you know how I could help fix this please? Thanks and best wishesTVR Link to comment Share on other sites More sharing options...
RDS Posted June 4, 2022 Share Posted June 4, 2022 I have no particular knowledge of this Loco and of course any change to the Loco would detract from its original condition but presumably the bogie when turned to its maximum, must be hitting some form of stop. Can you adjust the position of the stop? Link to comment Share on other sites More sharing options...
96RAF Posted June 5, 2022 Share Posted June 5, 2022 Possibly swap the bogie mounting link for one from another model that has an elongated curved slot that with allow the bogie more parallel sideways movement not just angular rotation.E.g. Item 8 from this Class 8 Link to comment Share on other sites More sharing options...
ColinB Posted June 5, 2022 Share Posted June 5, 2022 I suppose you have checked but are you sure it is not the gauging on the front bogie which is causing the issue. I suppose the only other issue may be whether it is put together right, these things contain stepped washers and nylon washers (which are so thin you cannot always see them), so sometimes if they are not assembled properly it cause issues. Sam of Sams Trains did a review of this model and I am pretty sure that there were no issues and he has second radius curves, so I think the basic design is sound. Link to comment Share on other sites More sharing options...
TVR1707822112 Posted June 5, 2022 Author Share Posted June 5, 2022 Hi all, thanks for these suggestions. The bogie is hitting the front cylinders which obviously makes it very hard to alter them.This is my only 4-6-2 loco so replacing other parts is not an option I'm afraid.Best wishes Link to comment Share on other sites More sharing options...
96RAF Posted June 5, 2022 Share Posted June 5, 2022 Service sheet 428 shows the bogie link is already of the suggested type, maybe some rework of the slot would help. Link to comment Share on other sites More sharing options...
Going Spare Posted June 5, 2022 Share Posted June 5, 2022 Are the wheels hitting the cylinders or the cylinder drain pipes below and in front of the cylinders? Link to comment Share on other sites More sharing options...
ColinB Posted June 5, 2022 Share Posted June 5, 2022 I checked my East Asiatic Company one and it goes round perfectly, trouble is my tightest bend is probably bigger than 2nd radius but not by much. If a bogie is going to cause issues that is where it usually does it. Looking at the loco statically I can see that it could catch the bottom of the cylinders but on mine the bogie slides on the slot to avoid them. So I suppose next question is what model is it, R number please. My ones are Hornby's latest so I don't what level yours' are at. I suppose the next thing is to check the cylinder block is in the right place. Link to comment Share on other sites More sharing options...
ColinB Posted June 5, 2022 Share Posted June 5, 2022 Looking at mine the other question to ask is, have you added the drain cocks to the cylinders, if so that would definitely explain it. I noticed on mine you can glue these to the bottom of the cylinders. Link to comment Share on other sites More sharing options...
morairamike Posted June 5, 2022 Share Posted June 5, 2022 Does the rear pony truck have flanged or un-flanged wheels?If the pony is fixed then it has to have flangless wheels. The 4-6-2 A4's come with two sets of wheels in the box, flanged for display, flangless for running. The service sheet shown above shows flangless. Link to comment Share on other sites More sharing options...
TVR1707822112 Posted June 6, 2022 Author Share Posted June 6, 2022 Hi allThanks for your help.It has got flangeless wheels and also I have not fitted the drain cocks.It looks to be caused by a lack of rotation.Best wishes Link to comment Share on other sites More sharing options...
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