Stuart Live Steam Engine S 50 Excellent Example. The machining on this engine is excellent that it runs at 2-3 psi. Excellent condition, mounted on a wood base with the air/steam supply threaded nozzle underneath the wood base. No play, the bearings and cross bars are like new. If you are looking for an excellent Stuart Turner S50 ready to run and exhibit, this is the one. Please see pictures for condition. One thing to mention is that the glass cover of the display case has one crack at the top as per the pictures. The item “Stuart Live Steam Engine S 50 Excellent Example Hit Miss” is in sale since Wednesday, September 18, 2019. This item is in the category “Toys & Hobbies\Models & Kits\Tools, Supplies & Engines”. The seller is “brenner2″ and is located in Island Heights, New Jersey. This item can be shipped to United States.