This isn't really a down vs. synthetic discussion. We all know what the end result of that debate is.
I think the point of this was to discuss the advantage of using a synthetic bag versus a down bag
with regards to the insulation either choice would provide while compressed under bodyweight. Correct me if I am wrong, BB58! I agree that the synthetic bag may well give you a 5-10* boost depending on how thick the bag is. And, I also agree that the synthetic bag will be more advantageous than the down which will compress more and provide less insulation.
However, using synthetic insulation like a pad is not efficiant. It works. But I am trying to imagine a situation where this would be applicable, and I can just always imagine it would be better to use equipment meant to deal with the conditions that are present. If it is 20* with a wind that would bring down the temp, why not use the ~24 oz. that is on the bottom of the bag you are laying on to boost the UQ or add size to the tarp? If your UQ goes down to ~20*, and it will be less than that, why not make an UQ that goes down to ~0*? Or add insulation between the UQ, and the hammock (using an UQ that is made using differential baffling, of course
)? I have 24 oz. to play with.
Adding a windblock over the quilt or around the entire hammock, or using an all encompasing tarp or "hammock hut" would be a more advantageous approach. Or a thicker UQ. (UQ's don't
have to be made of down synth fans!)That way you are either using less weight or getting more functionality for your weight.
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