08-28-2018, 05:20 AM
LOL! There's a an A16 backpack out in the garage (at least 4 decades old now) that is already 9/10 of the way there. A16 was the first to use a hip extension that was actually part of the frame (and literally - the aluminum hip frame jutted out from the bottom of the packframe). That design is to A16 and backpacks what the Macintosh was to Apple and computing. The assembly also held the pack away from the frame - it just didn't allow the use of pulleys to float the weight! Should've thought of that! D'oh!