You don't need an industrial machine. I've used my 15-91 Centennial to sew thick leather. I'm including a photo of my machine and the leather is sitting in a heap next to the machine. Sewing 2 pieces of that together made it a full 3/8" thick! And the leather that came off the cow's shoulders was 1/4" thick when sewn together. The old Singer machines go through it like a hot knife through butter. My 15-91 didn't even need the tension adjusted. I went from sewing the leather to quilt fabric the same day and didn't touch the tension. It was fabulous!
I have a 201 as well as a 66-15, I'd use any one of them to sew military tactical items.
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Last edited by Christine-; 07-27-2012 at 09:54 AM.