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The question came up: How can I separate two modules? Take the piano hinge off and replace with two stainless steel butt hinges. Get the hinges with a removable pin. The hinges can be attached directly onto the module frame but a better attachment (more durable) is to back up the hinge area with another piece of aluminum. For quick tear-down, get pins that have an ergonomic grab of some sort. I used hinges like this for my tilting mechanism on a 235W module and it is working well.