@kla2 Well if we look at a sphere of 210mm (comp. diameter) its solid mass would be around 37.5kg. Volume = 4/3piradius3=4/3pi1053 = approximately 4.8 liter which at 7.8kg per liter equals roughly 37.5kg. But this is without the handle of course. So rounding it down to the nearest kb "size" I...