Complex sentence: In 1973,44806 was based for a short time at the newly reopened Lakeside and Haverthwaite Railway, as their largest and only tender engine, but operating a large tender engine was difficult on a line without a turntable.
Split into simpler sentences: In 1973,44806 was based for a short time at the newly reopened Lakeside and Haverthwaite Railway, as their largest and only tender engine. Operating a large tender engine was difficult though, on a line without a turntable.