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BrianFrank wrote:I realize this is an old topic, but Just FYI.
I can testify from experience how effective a space blanket and candle can be. Two weekends ago while caving west of Cloudland Canyon in Georgia I had to wait behind in a chamber for an hour and a half while the rest of the group went deeper into the cave. I was damp and within 15 minutes of not moving I was getting cold. I had read about making a heat canopy before and decided this was a good time to try it out. So, I broke out my $3 Walmart space blanket and a candle and made a heat canopy over the candle while sitting down. The candle produced more than enough heat to keep cozy during the wait. Very effective and efficient.
Leclused wrote:BrianFrank wrote:I realize this is an old topic, but Just FYI.
I can testify from experience how effective a space blanket and candle can be. Two weekends ago while caving west of Cloudland Canyon in Georgia I had to wait behind in a chamber for an hour and a half while the rest of the group went deeper into the cave. I was damp and within 15 minutes of not moving I was getting cold. I had read about making a heat canopy before and decided this was a good time to try it out. So, I broke out my $3 Walmart space blanket and a candle and made a heat canopy over the candle while sitting down. The candle produced more than enough heat to keep cozy during the wait. Very effective and efficient.
Space blankets and candles work fine. But space blankets don't live long. Once used it is almost impossible to fold it again. So when you are visiting a lot of cold "alpine" caves there is new alternative. It's made by a belgian female caver and is called a "burkannette" or "speleoponcho". It's used more and more on expeditions in cold caves.
Some info
http://scbaudreix.canalblog.com/archive ... 89248.html
http://scbaudreix.canalblog.com/albums/ ... _4242.html
BrianFrank wrote:Do you know of a link in the United States to order a Speleoponcho?
KeyserSoze wrote:I learned a trick that you can use two trash bags on top of each other to make a better heat jacket. The air space that is trapped in between the two bags actually helps to insulate.
BrianFrank wrote:Picture at Daily Mail with caver using candle in a space blanket to stay warm.
http://i.dailymail.co.uk/i/pix/2012/11/01/article-2225955-15C640B9000005DC-695_964x652.jpg
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