"Gwen Elms" - a freelance 4-6-4
Frames 33 " overall
Coupled Wheels 3 9/16 " diameter
Four Cylinders 11/16 " bore x 1 1/8 " stroke
Slide valves driven by outside Walschaerts gear
Boiler barrel 3¼ "/3¾ " o.d., tapered, wide firebox with combustion chamber, coal fired
Seven Sheet Drawing set available from Reeves (2000), cat no 29/510.
sheet 1 : General arrangement of engine and tender
sheet 2 : Main frames, trailing cradle, axle boxes, etc.
sheet 3 : Leading and trailing bogie details, coupled wheels and
axles, coupling rods, mechanical lubricator, steam and exhaust
sheet 4 : Cylinder and connevting rod details, backhead fittings, blower and whistle valves
sheet 5 : Valve gear, grate, ashpan, smokebox saddle
sheet 6 : Boiler details, smokebox, regulator, superheater. safety valve
sheet 7 : Tender details
Main Horns and Axleboxes
Coupled & Driving wheels
Bogie and leading truck wheels
Cylinder blocks and steamchests
Eccentric straps, pump bodies, etc.
Note : some castings are available from the Association.
The constructional series appeared in English Mechanics between 3rd February and 6th October, 1939.
TEE Publishing can supply a reproduction booklet of the constructional series.
This page was last changed on 06/05/2016