Ask Trains.com March 2025| Join Model Railroader Senior Editor Cody Grivno as he addresses your questions…regarding both model railroading and 1:1 scale railroading too! Questions can be about any railroad or model railroading topic, including on the fan configuration on an SD45. These can include questions about railroad operating practices, railroad lantern manufacturer details, model locomotive details, and toy train transformers, among others.