Model: OO Gauge DC. Princess Royal Class Turbomotive steam locomotive of the LMS.Prototype: The Turbomotive was an experimental steam locomotive built in 1935 by the LMS under William Stanier, based on the Princess Royal Class. Instead of pistons, it used a steam turbine, which provided smoother running, fewer wearing parts, and greater efficiency at consistently high speeds. However, its poor maneuverability and the lack of a reliable reverse gear severely limited its practical use. After the S

Price Comparison