No 9 JASON  
  This engine was started in the winter of 1986 as a project to make Talos larger as the need for more powerful engines arose. But, instead, a new chassis was constructed with larger cylinders and loco-type boiler. This was seen as a simplified version of Aelfred. The paint scheme approximates Bulleid’s pre-war livery.
 

Year built 1989 Builder Narogauge Ltd Engine No 9 Colour Sylvan green
Dimensions Length 89 ins  Width 26 ins Height 47 ins        
Wheel arrangement 2-4-4T Wheel diameters Leading 6 ins Driving 10 ins   Trailing 6 ins
Grate area 90 sq.'s No of tubes -- Small diameter 0.75 ins 16 Large diameter 1.25 ins  
Coal capacity 112 lbs Water capacity 12 gallons    
Boiler Diameter 12.75 ins Boiler pressure 100 lbs sq.'s    
Valve gear Walschaerts Cylinders bore 3.5 ins   Stroke 4.25 ins   Tractive effort   443 lb.'s