Originally Posted by BillyBob58
OK, 1st, you are plenty warm at 28. That means you are good to go at least several degrees lower than that. There are a couple of folks here who have reported using those AHE quilts successfully at a lot lower than 28.
2nd: what kind of layers were you sleeping in, and were you inside a synthetic bag? Layers of fleece compress poorly, and a synthetic bag compresses way less than down. So, either of these has the potential to add at least a few degrees warmth to your back.
3: the pad. As you see from Hanging Phoenix, even the lowly WM blue pad all by itself - along with a sleeping bag - can get you to 18F and still toasty. And a thicker pad or layered pads can take some folks way below zero, pad only. So adding a pad - even just a torso pad - should very easily get way below the temps that the UQ by itself can get you. One caution: you need to test this, because a CCF or especially an inflatable pad can interfere with the fit of your UQ, causing gaps or drafts and decreasing the help your UQ gives you. So you need to check that out. I suspect it is a bigger problem using wide pads with UQs. A 19 or 20" wide torso pad inside the hammock is not likely to interfere with a quilts fit, since it is likely not wider than your body.
Then there is this type of approach. A similar approach is to place a space blanket on top of your UQ, with the shiny side facing your hammock. Dirtwheels recently used a 45F rated WL UQ at 23F and was warm. All he did was add a space blanket. YMMV.
Thanks for the specifics BOB! I get the sense that as I test many of these options out in my backyard, I will find that delicate balance. I'm DIYing some stuff and will dabble with some of that reflective 3M bubble padding a buddy gave me from HomeDepot. He used it to make his cozy for his cooking set kit. I imagine that if I make a nice torso pad out of that material, that it will also act similar to the space blanket, but even better since it is also thicker with trapped air in the bubbles.
Maybe I shouldn't even go double-layer then considering the many options BESIDES using a thermarest pad being coupled with my KickA$$ NR UQ? Decisions, decisions...