The model is of a GWR Armstrong Class engine circa 1894, designed by William Dean. The loco is entirely scratch built using a CNC milling machine to cut all the parts, the scale is G3 (2.5in)
The wheels are cut from 8mm ali, the frames are 1.5mm steel all the rest is made from brass sheet, the engine has R/C and sound, batteries and electronics are housed in the tender.
Mike