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Closed Cell Foam Sleeping pads
I have managed to get pinhole leaks 2 air mattresses in the last two trips I have taken. I guess I am just not capable of taking enough good care of the...
Winter Footwear Solutions
With our first snow two days ago and a temperature of -10C at the cabin this morning my mind is dancing with thoughts of winter. I know footwear is a subject that's...
Sleeping pad choices
I'm hiking the PCT. I'm working on getting my pack down to a very light load so I can bring a couple of luxury items. I really want to sleep on something...
R-value difference between fill power ratings
It's been asserted that a higher density of down, up to 2.5 times the chamber volume, will increase the insulating value without the loft depth changing. 800 fill power down is around...
Why are down-filled inflatable pads warmer?
Air is a good insulator. Â The down in bags and garments creates insulation by puffing out and creating trapped air volume. Â But an inflatable pad is already filled with trapped air....
Ideas for adding low bulk, low weight insulation to tent
First throw away post. I've been thinking of ways to add warmth to a tent (MLD Solomid) for winter backpacking. Unfortunately, most ways are either heavy, or bulky (lightweight CCF foam). Bulky...
Fire in your mid ??????
Had a thought recently about having a mid you could start a small fire in for cooking/warmth. I am not talking about a wood burning stove with a chimney, but a plain...
Bubblewrap for insulation (seriously)
I just saw an episode of Mythbusters (didn't get to see it all as IÂ was looking after my 5year old son) and although they did not concentrate on the bubble wrap they...
How to go w/o sleeping bag down to 32F?
Just curious, how many of you have ever gone with just a bivy in temps down to 32F? Is it as uncomfortable as it sounds? How long does it take to gather...
Making a super insulated silicone bottle
I have a hyrdoflask vacuum insulated bottle, and it's nice, but it's heavy being made out of stainless steel. I can't afford a titanium vacuum insulated bottle (and they're still on the...
Durability of the insulation in Apex jackets?
I think I've had it with PrimaLoft. Wondering why I was feeling so cold on my walk today and realised the loft in my Montane is close to zero. The durability is...
Best alternative to down jacket?
Hi, I'm working on my winter set up, slowly shedding heavier items for lighter, better alternatives. My next job is something thats going to keep me warm in the -5 - 15...
Who makes their own quilts?
Who makes their own down quilts? I've made one hooded sleeping bag from scratch. Thinsulate LliteLoft with the shingle construction popularized by Northface. (The puffy Thinsulate, not the thin stuff). The inner...
1/2" Dry Fast Foam for Synthetic Over Quilt for Down bag?
Dry Fast foam is unique among the polyurethane foams in a couple ways. The main way is that unlike other open celled PU based foams, it is actually fairly breathable and porous...
Heat Exchanger pots
Theoretical discussions about the physics of backcountry cooking on this forum are some of the most entertaining reading on the web. I have (usually) dismissed exotic materials and complex designs in the...
reflective coating in sleeping bags
Please note that the Stefan Boltzmann law which determines the difference between radiation absorbed and emitted by an object only depends on the area of that object, the temperature of that object,...
Apparatus for Testing Thermal Insulation Properties
Companion forum thread to:Apparatus for Testing Thermal Insulation Properties Hi Dirk > I would like to see tested the oft-discussed "double up" practice of 3-season air > mattress coupled with a thin...
Butyl Rubber gloves for VBL gloves?
When looking at conductivity of different solid materials, i noticed that butyl rubber has an unusually low conductivity for a common, cheap solid material--.09 in the international system of measurement. Â The conductivity...
Salomon Tundra Mid WP Insulated Boot Review
Companion forum thread to:Salomon Tundra Mid WP Insulated Boot Review Will, Several points: "However, for multi-day snow camping trips, I would drop the rating to Recommended because of the boot's tendency to...
Ideas for adding low bulk, low weight insulation to tent
Will Buckyballs work in a silicon matrix and are they an option? Are they even an affordable option yet? You do know that insulated tents were tried back in the 50's?...
