Katie is of typical narrow gauge saddle tank locomotive design. Though not a model of any particular engine, she draws inspiration and features from a number of famous builders like Hunslet, Bagnall and Pecket etc.
Technical specifications for ‘Katie’.
Internal gas firing using the ‘FG’ type burner.
0-4-0 outside framed chassis with two double acting slide valve cylinders operated by simplified Walschaerts type valve gear.
Controls fitted as standard are :- steam regulator, safety valve, pressure gauge, displacement lubricator, gas regulator and reversing gear.
Dimensions (loading gauge) are :- length 280mm over buffers, width 125mm, height 155mm, weight 2.9 Kg (with r/c).
Full radio control for both regulator and reversing valve gear using 2.4GHz R/C.
The wheels are adjustable between 32mm and 45mm gauge.
Minimum radius 2′.