For those who make their own chutes and other items from nylon, here's an article that might come in handy. It's dated, but much still applies. Mastering Nylon
This was linked from www.flymarketkites.com where you can get 3/4 oz. ripstop. I haven't check prices so I don't know how they compare.
This was linked from www.flymarketkites.com where you can get 3/4 oz. ripstop. I haven't check prices so I don't know how they compare.