I am working and nearing the end of the design of the meter gauge MAN railcar to run on a single HOm Haling bogie. But I have a preliminary and very hypothetical question: Who might want one with the small windows and who might want the later version without? The section in question will have no interior because it will be the place of the motor bogie, otherwise there will be full interior, undercarriage engine detail, glazing etc. I will provide more information once I go into production.
christo.