Xtrekker got me thinking and motivated and I decided to post my plan here for peer review. Let me know what you think. Final dimensions are 46.8" x 78" planned with a modified version of CatSplat's calculator (added seam allowance and dual differential) .
1.75 baffle height, 2.25 chamber height, 1.25oz of 850 FP down per chamber. I also plan to add small 2" diameter draft tubes. End channel is integrated into the liner/shell fabric seam allowance. Side channel will be added on if needed.
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