Coal production for G gauge live steam locomotive Walter Kolb DR 99 7240-7 (inexpensive/selfmade) 

I decided to develop my own coal production taking advantage of a nut cracker and several metal stainless steel grids... Polish coal and anthracid coal had been finally cracked to 12,5-4,75 mm sizes perfect for my Gauge G 1:22,5 scale locomotive made by Walter Kolb DR 99 7240-7. The procedures takes only 15 minutes to produce a decent amount of coal with the right size...

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