Is there such a calculation : Rvalue of Pad (PR) X Hammock Material (HM) = Hammock Rvalue (HRV)

[Hawk i]

I bought the Xtherm and LOVE it.. I have been it temps as low as 25* and I have an older Zenith 0* bag half open from the warmth. I got a Jarbridge 3, 3/4 length UQ for the wife because she doesn't do well with getting situated in the hammock, she wants to just climb in and go to sleep. That being said I do have to fiddle some in getting the right angle of my lay with the pad in the DL and the air needs to be let out to a comfortable point. I am torn right now tho to be honest. She just got a WBRR and likes the feel with my Xtherm because it opens up the bridge width wise and she doesn't feel closed in. I now see the possible opportunity to get an UQ "if" I so choose to.....My brother is coming up this weekend and will test out his new UQ and I might need to as well.
All this being said, not sure this helps BUT again I do like the Xtherm unit..

[Hammi Camper]

I bought the Xtherm and LOVE it.. I have been it temps as low as 25* and I have an older Zenith 0* bag half open from the warmth. I got a Jarbridge 3, 3/4 length UQ for the wife because she doesn't do well with getting situated in the hammock, she wants to just climb in and go to sleep. That being said I do have to fiddle some in getting the right angle of my lay with the pad in the DL and the air needs to be let out to a comfortable point. I am torn right now tho to be honest. She just got a WBRR and likes the feel with my Xtherm because it opens up the bridge width wise and she doesn't feel closed in. I now see the possible opportunity to get an UQ "if" I so choose to.....My brother is coming up this weekend and will test out his new UQ and I might need to as well.
All this being said, not sure this helps BUT again I do like the Xtherm unit..

It does help. I'm going to try a them both: UQ and Pad and Bag and UQ and see how they feel. I'm a newbie and I guess the "go to ground" goes away after a few months. I've had some pretty interesting places I'v hung, but I keep thinking I'm gonna have to go to ground and I just need to get over it.

[Five Tango]

I bought the Xtherm and LOVE it.. I have been it temps as low as 25* and I have an older Zenith 0* bag half open from the warmth. I got a Jarbridge 3, 3/4 length UQ for the wife because she doesn't do well with getting situated in the hammock, she wants to just climb in and go to sleep. That being said I do have to fiddle some in getting the right angle of my lay with the pad in the DL and the air needs to be let out to a comfortable point. I am torn right now tho to be honest. She just got a WBRR and likes the feel with my Xtherm because it opens up the bridge width wise and she doesn't feel closed in. I now see the possible opportunity to get an UQ "if" I so choose to.....My brother is coming up this weekend and will test out his new UQ and I might need to as well.
All this being said, not sure this helps BUT again I do like the Xtherm unit..

Thanks Hawk I.Do you have the "max" or the trimmed down oval model?

[Hawk i]

Five tango... I have the regular (trimmed unit)

[Hawk i]

It does help. I'm going to try a them both: UQ and Pad and Bag and UQ and see how they feel. I'm a newbie and I guess the "go to ground" goes away after a few months. I've had some pretty interesting places I'v hung, but I keep thinking I'm gonna have to go to ground and I just need to get over it.

When you use them both.?? I don't believe you should use anything with the UQ. You will mess with the dew point and could cause moisture in the UQ. Hopefully I am mistaken by your post.
I use a piece of reflextics sometimes and put my pad over that "inside" my double layer hammock then place my bag on top my hammock. What's real nice about the Thermx is it has a non skid type material backing so once I place it inside the fabric on my angle of lay it stays good.

[Hammi Camper]

When you use them both.?? I don't believe you should use anything with the UQ. You will mess with the dew point and could cause moisture in the UQ. Hopefully I am mistaken by your post.
I use a piece of reflextics sometimes and put my pad over that "inside" my double layer hammock then place my bag on top my hammock. What's real nice about the Thermx is it has a non skid type material backing so once I place it inside the fabric on my angle of lay it stays good.

Not both the on the underside at one time. I was going to test the underquilt as a topquilt while sleeping on the pad.

[dakotaross]

What you seem to be implying here is that the quilt doesn't provide as much insulation as it would if it were by itself, because less heat is getting to it. This is incorrect.

Well, I know we've had this discussion before and I don't want to rehash that. Materials remain constant in their properties, so to say that the quilt's properties change would indeed be incorrect. What does change is the body and how the body reacts to conditions. In my opinion, down does the most effective job of creating a condition at body level whereby the body is less inclined to have natural reactions to cold - i.e. to heat loss. I attribute this to radiative properties of the heat trapped by the down.

Insulation is insulation right? Doesn't matter if its hot or cold. So too much clothing, or a pad, reduce the ability of the body to feel this radiating heat. The body remains on edge at equilibrium, even if comfortable, and as temps drop outside and inside the body during sleep, the body may react to reduce heat loss. These functions are typically ones that make us feel uncomfortable, even though the actual change in heat loss may be minimal.

So, in my opinion, actual comfort has a good bit more to do with qualities at a body level and that relationship with the qualities of insulative materials, not just the insulative value of the materials themselves.