hi all ! currenlt i'm looking to replace my pd-190 main. i have dolphin d3 container and my rigger says that it is understuffed for pd-190. i was looking for something smaller and higher in performance, but something what still would fill in my container good. suprisingly, the canopy i consider, which is Icarus Safire 169 is actually bigger in packing volume that PD-190 ! PD190 has 442 cub.in, and Safire 169 has 452 cub.in. packing volume ! I know that Safire is ZP and PD is not. But anyway ZP 169 shold have smaller pack volume. Sabre 170 for example has only 364 cub.in. packing volume ! It's not a big concern for me now, since it will fit my container good, but just curiosity sake, why safire is so big in terms of packing volume? thanx. stan.