Hi, new here. I'm sure this pack has been discussed many times, so I hope I am not repeating a prior answered question, at least I could not find is asked before.

I have almost all of the materials needed to make this from old gear I have lying around in my backpacking cabinet. The only exception is the Oxford (Duck?) cloth. Instead of using the oxford I was considering going with the material from the rainfly of my old Eureka tent (fairly heavyweight nylon), or the footprint from my old Sierra Designs Alpha CD, also a fairly heavyweight nylon.

The reasons for this choice include recycling old equipment (I'm a scavenger of sorts), lighter weight than the Oxford, but still pretty durable, and the desire to make the pack for free (okay, so I'm cheep).

Any thoughts on the pros / cons of doing it this way?