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[cdt-l] real live gear questions: sleeping bags



Sloetoe...
I don't remember if you're northbound or southbound. But if you are
northbound and starting in NM, you might consider 2 bags.

Nights have been in the upper 40's the last couple of times I was in
the bootheel. It'd be a shame to sweat in that 0 degree Kelty...both
from hauling the extra weight and because it was more bag than you
needed. I think you could probably go north to CO before you'd need
much of a bag.

Joel

On Friday, April 25, 2003, at 11:22 AM, Sloetoe wrote:

> The situation for a Continental Divide hike:
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> a 3.25# 800ci down bag rated to 0*F in nearly new condition.
> a 2.75# PG synthetic bag rated to 20*F with 500+ miles on it --
> e.g., some loss of loft. Since I've had it out down into single
> digits, I'd put the bag "good to 25*F" right now.
> a 1.5# Fleece bag good to 60*F alone.
> a 1.5# bivy sac
> a 1.0# silnylon tarp
> I plan on using the bivy alone early/late, and am considering
> possibly the siltarp alone (with some tyvec groundsheet) in
> summer.
>
> Consider:
> ~~~~~~~~
> a $190 2.25#, 25*F Kelty "Quasar" with 750ci fill and a W/B
> shell, (instead of it's usual $230)
> http://www.campmor.com/webapp/commerce/command/
> ProductDisplay?prrfnbr=29028084&prmenbr=226
>
> The alternatives are mummies from Western Mtn'ring, in
> decreasing order of preference:
> a) $230 1.00# 40*F "Highlite"
> b) $220 1.50# 38*F "Iroquois"
> c) $295 1.50# 30*F "Megalite"
> d) $310 1.75# 25*F "Ultralite
>
> The play so far:
> ~~~~~~~~~~~~~~~
> 1) I won't want to use the 0*F 3.25# bag for an entire cdt trip.
> {Right?}
> 2) I can cut a good 16-20oz of dead weight by *not* taking the
> PG bag, which has lost a material amount of loft. {Or is the
> window of use so short that this bag would do fine, and I could
> put the mullah into food?}
> 3) The fleece bag and a bivy will not cut even "summer" temps at
> 8,000-10,000'. {This seems pretty easy; I mean I *am*
> cold-blooded.}
> 4) The 40*F 1.00# WM'Highlite' would take over nicely when the
> O*F bag got too hot. {But isn't that an awefully big jump to go
> from a 0*F bag to a 40*F bag? Yow!}
>
> 4Alt.) The 25*F 2.25# Kelty would *not* be overkill (even) in
> summer at altitude, and its W/B shell would allow ditching the
> 1.5# bivy sac in favor of a bit of tyvec, bug netting and a
> 1.00# siltarp. {Did we just net back to 1.5#? And I'd rather not
> sleep "under" anything if I can help it...}
>
> If I'm putting this together correctly, in summer form {and how
> long is that good for, again?}, the straw man is:
>
> $230 1.00# 40*F WM Highlite
>      1.50# 10*F bivy
>      ----------------------
> $230 2.50# 30*F WM-H,bv w/o clothing
>
> or   1.00# 40*F WM Highlite    $190 2.25# 25*F Kelty
>      1.25#  5*F siltarp w/tyvec     1.25#  5*F siltarp w/tyvec
>      --------------------------     --------------------------
> $230 2.25# 35*F WM-Htarp       $190 3.50# 30*F K,tarpw/o clthg
>
> Current Thinking:
> ~~~~~~~~~~~~~~~~
> Hmmmmm. Doesn't seem like much of a choice. The $40 difference
> is negligible over a hike of almost *any* length (once the boot
> hits the trail), but does that 1.25# margin afford so much more
> weatherproofness? And I don't *want* to be under a tarp!....
>
> Yet, if my {40*F bag is ok} assumption is incorrect, and I need
> to go to a 30, 25, or 20 degree bag, then this easy answer is
> nuked. Going back to the $310 1.75# 25*F WM Ultralite, we'd have
>
> $310 1.75# 25*F WM Ultralite
>      1.50# 10*F bivy
> -----------------------------
> $310 3.25# 15*F WM-U,Bv
>
> $310 1.75# 25*F WM Ultralite   $190 2.25# 25*F Kelty Quasar
>      1.25#  5*F siltarp/tyvec/bug   1.25#  5*Fsiltarp/tyvec/bug
> ----------------------------   ----------------------------
> $310 3.00# 20*F WM-U,tarp      $190 3.50# 20*F tarp *W/B* bag
>
> So if I *need* a 25*F bag, for a time sufficient to not "get by"
> with the 2.75# PG bag I have, is the $120/0.5# difference in
> going with the WM Ultralite worth the loss in weatherproofness
> afforded by the lesser priced, W/B Kelty bag?
>
> Conclusions:
> ~~~~~~~~~~~
> Seems hard to beat the straw man (WM "Highlite" with bivy) --
> even with a $190 bag -- as long as the 40*F vs. 25*F assumptions
> really hold.
>
> $230 2.50# 30*F WM-H,bv        w/o clothing
> $310 3.00# 20*F WM-U,tarp      w/o clothing
> $190 3.50# 20*F tarp *W/B* bag w/o clothing
> oh, and
> $000 4.25# 15*F PG bag/bivy    w/o clothing
>
> How'd I do?
> Is the window that I would *not* want a O*F bag worth getting a
> new bag?
> Is a 40*F bag + 10*F bivy sufficient for extended use at
> altitude?
> Is a 25*F W/B bag worth the 0.5# weight penalty?
> What did I forget?
>
>
> =====
> Spatior! Nitor! Nitor! Tempero!
>    Pro Pondera Et Meliora.
>
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