Here are a couple of pics of the wire feed unit in the R-Tech I-MIG200 as promised.
Thank you for the photos. That 4 wheel drive system looks very impressive indeed. As good as the 2 wheel drive on a Portamig is reputed to be, I think the R-Tech probably deserves first prize. I had no idea you could get a MIG welder with a geared wire feed of that quality below about £1000, let alone £395, even if it is plus VAT.