Hi, Could you tell me whats the smallest radius I could make so it won"t derail. Thanks so much John.
Not sure, but you may need a 21 inch radius in H.O. as a 2-10-2 is a large steam engine.
If you do O or S gauge you will need a 42 inch radius curve.
Lee F.
Just another reason they should put turn radius on loco box, also put what years the loco was in service so the buyer can get it for the era they are modeling.
Normally when you buy something from a retailer, a local hobby shop, he can tell you what size curve to use. Not always true of a large department store like Toys R Us.
Lee F.