These are the elements you wish to move. In your case, these would be the plates of the track. I assumed you’d be at least using Instanced Static Meshes for this.
And how did you get the “Car Offset” to show in the SpawnActor node?
You can expose variables for the actor constructor to use like so:
But please do not make each plate an actor, that’s a performance killer. What I suggested is merely a method for movement.
If you’re serious about tanks / vehicle sim, may I suggest you have a look at the some of the greatest threads out there:
Search anything by BoredEngineer, his t(h)reads (ehm!) should be pay-per-view, imho.