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I'm hoping someone on here with an engineering background can give me some advice re winch ropes. I've decided put a winch in a scratch built skidder I'm building instead of fitting it with a grapple. I'm thinking of using stainless steel cable for the winch rope, and wondering what sort or bend radius I can expect for 1mm or 2mm diameter stainless steel cable. I'm going to want to be able to drag somewhere in the region of 15-20KG of wood on the winch so wondering if 1mm cable will be strong enough. I'm hoping to use a winch drum of around 25-30mm diameter if I can get away something that small. I'm thinking I should be able to get around 7m of cable on a drum 30mm wide (PI*D*width for 1mm cable, is this right ??) in about 3 complete wraps on the drum). any advice would be great, also, what to people normally have fitted to the crawler after market winches ?