Topic

3-season layering system from scratch (Nunatuk, Melanzana options; others?)

This topic has 27 replies, 14 voices, and was last updated 6 years, 4 months ago by Nick D.

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Nov 30, 2017 at 7:10 pm #3504843

Opogobalus
Spectator

@opagobalus

Thanks Richard, your anaylsis and table is super useful. Have you done any (or do you know of any) research into the efficiency and heat loss of different parts of the body? People like Sean are trying the 5.6oz body and 2.5oz arms, obviously vests are popular, etc.. I’m curious about whether these systems actually work out more warm-for-weight.

Nov 30, 2017 at 11:08 pm #3504878

Richard Nisley
BPL Member

@richard295
Locale: San Francisco Bay Area

Vest gives slightly faster thermo-regulation only

Dec 1, 2017 at 6:45 am #3504979

Nick D
BPL Member

@stumpjumper
Locale: Santa Barbara, CA

This is why I keep coming back to BPL :)

“2C = 35.6F; the 800 fill down needed for thermo-neutral (TN) camp chores over 1 clo base is ~3.5 oz of 800 fill or ~2.4 Iclo.

Camp chores have an average MET of 1.75; resting aka BMR has an average MET of 1; and sleeping has an average MET of .8. The MET rate is inversely proportional to the Iclo needed to be TN.”
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