[pct-l] Legs of the PCT (Lint and Anish)- adding Gear

[Matt Signore]

In my experience a liner has a sliding scale in R value.  If the
manufacturer claims that you get an added 10° of warmth.  It might make a
bag go from 50°F to 40°F but not from 0°F to -10°F.  The difference between
a 0°F bag and a -10°F is almost a pound of feathers.  Not a thin layer of
silk.  These are my very non scientific observations, but I always use a
liner.  That is what my observations over the long haul have shown me.


On Sat, Oct 26, 2013 at 11:23 AM, marmot marmot
<marmotwestvanc at hotmail.com>wrote:

> There is no way that it is 10 degrees warmer. My guess is between 5 & 8.
> That matters to me.  Also I sleep in a tent. That's for more than warmth. I
> just sleep more soundly. I hate bugs crawling on me. Marmot
>
> Sent from my iPhone
>
> > On Oct 26, 2013, at 7:39 AM, "Dan Jacobs" <youroldpaldan at gmail.com>
> wrote:
> >
> > It seems I may be wrong, and that's ok by me. I just don't buy the
> > marketing hype that a simple liner of any thin material can add ten
> degrees
> > of warmth to a sleeping bag. Has testing been done independently to
> proved
> > this, or do folks feel warmer, so whether it's all in your head or not
> > that's just fine?
> >
> > I can see the importance of keeping the bag clean for some folks, but I
> > encourage everyone to embrace your inner dirtbag. It also doesn't take
> very
> > much water to wash off some dirt at the end of the day. You're not going
> > for a job interview in the morning, just getting some sweaty dirty off
> you
> > before bed. Jardine has a method for this in his book.
> >
> > Dan Jacobs
> > Washougal
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-- 
Matt Signore
pcthandbook.com