Turnout derailment

[NW Modeling List]

 I would carefully check the gauge of the track before and through the switch / frog, etc. and especially the rear truck wheel set.
Rip 
    On Thursday, August 22, 2024 at 08:05:22 AM EDT, NW Modeling List via NW-Modeling-List <nw-modeling-list at nwhs.org> wrote:  
 
 Since the trailing truck is derailing, perhaps examine the track beyond the turnout. The Y is a long locomotive so may be a radius issue. Does it derail no matter the direction or orientation of the locomotive?If it’s not heretical to suggest, maybe try a 6 axle or 4 axle diesel to see what happens. Where in the turnout does it derail?

Mike Shockley ________________________________________
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