Metropolitan 1921 electric stock
all third trailer (modified for Circle Line)
After successfully introducing new electric trains on the Metropolitan Railway from 1904 , new stock was introduced from 1913, based on the 1905 design, with improvements and an elliptical roof instead of a clerestory one.
Further ideas were introduced in 1919 with one full set of 1905 stock being rebuilt with swing doors. Times at stations were improved but the narrower doors caused confusion and the experiment was discontinued. The motor coaches were subsequently rebuilt as all third trailers, and newer stock was introduced in 1921 with 3 sets of sliding doors on each coach side.
LT moved all the 1921 stock to Circle line , and rebuilt stock with end doors.Luggage area in motorcoaches converted into passenger area, similar to conversions to 1913 stock.
Survived into 1950s.
Requires finishing off, wheels etc
Scale HO (1/87 , 3.5mm/ft)
more info about Metropolitan electric stock here
more 3d printed models from Recreation21 here