Scale:-                  10mm to 1 foot

 Length :-               642mm (25.27”)

 Track radius:-        7’ft  (2.13m) minimum

 Weight  Kg           ( 11-12lb ) 5 - 5.5kg Approx

 Fuel :-                   Alcohol  (Methylated spirit) supplied by constant

                            level feed system.To ‘toast rack’ style wick burner.

 Boiler :-                Internally fired, multi flue, superheated, with safety valve.

                            Built from copper and bronze, silver soldered throughout.

                            Tested to 200psi  (13bar)  Maximum safe working pressure 100psi (6.5bar)

 Controls:    loco:    Regulator, blower, low water level  test valve, pressure gauge.

              tender:    water pump bypass,  fuel valve.

 Cylinders:-            Two, 1/2” bore x 7/8” stroke ( 12.5mm x 22mm)

 Valvegear :-          Slip eccentric, slide valves

 Lubrication :-         Displacement (Rosco) type.

 Water feeds:-        Tender carries water in rear tank containing  hand pump.

                             Loco has axle pump driven from driving axle.

 General :-              Buffers and coupling hooks sprung.

                             Main loco axleboxes individually sprung.

                             Bogie axle boxes sprung.

GWR Saint
Technical detail Production, pack 3 of 5 complete, pack 4 due September  2019