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[quote]QUOTE: Originally posted by Modelcar ...PS: Along the same lines of engines....Referirng to similar design [articulated], engines can anyone talk a bit of the type of sealing that was used in the joint where front and rear engine would pivot on a curve and require a pivot in the steam supply line to the cylinders. Was it some sort of ball joint with some kind of seal or perhaps just a tight fitting steel ball and joint....? [/quote] I'll take a guess - Gland seals? These are typically found on steam turbine mainshafts. A passage connected to steam pressure allowes steam to fill an anullar bag compressing the packing material in the anullar slot locating the seal.
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