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Locomotive Types
model the cylinders should be placed a litlle wider apart
than in the prufotype. The lower piston speed of such a
Fig. 23.—Model af the G:N.R, Large Atlantic Type.
large wheeled engine has to be considered, and if this G.N.R. locomotive is modelled, high-pressure compara- tively small-bore cylinders, and efficient superheating are advisable. The previous remarks may be applicd to the other “single” models illustrated in Figs. 19 and 24. The 4—4—2 Type.—For fast irains the laler develop-
Fig. 24.-—Moadel L.Y.R. 4—4—2 Locomotive.19
