General download links are given below. Downloads of product instructions and information are available on the product’s own page.
2mm scale signal part finder chart
4mm scale signal part finder chart
7mm scale signal part finder chart
Alan Gibson wheels – how to use them
Current “paper” price list
Mashima motor drawings
Motor and gearbox overlay – print on transparent film then lay on your loco drawing to see which Comet gearbox will fit.
Which gearbox? – further information on choosing a motor and gearbox for your loco.