1moremile Posted December 11, 2011 Share Posted December 11, 2011 I'm working on my cold weather camping skills (transitioning from day ice climb trips to overnighters). My following ? is in the context of use inside a 4 season tent (not an exposed forced bivy, nor a inside a snow shelter), where the ambient low temperature will likely be low enough below freezing such that anything items introduced into tent frozen would remain frozen (unless placed in sleeping bag): Would it be beneficial to lay out a dry climbing rope in a flat pattern of bights on the tent floor, beneath the sleeping pad, for whatever insulation benefit it provides? If so, would it still be beneficial if the rope was partially wet/frozen from prior climbing use? Quote Link to comment Share on other sites More sharing options...
DPS Posted December 11, 2011 Share Posted December 11, 2011 (edited) My thought is the rope is going to be cold/wet/or frozen. I personally would not want to bring the rope in the tent for that reason. I would think that your body heat would eventually melt a frozen rope. Combining a light weight, 3/4 length Thermarest with a thin, full length Evazote pad is a popular combination for cold weather climbs. Edited December 11, 2011 by DPS Quote Link to comment Share on other sites More sharing options...
Pete_H Posted December 11, 2011 Share Posted December 11, 2011 Sounds like it would be uncomfortable and a pain in the ass. I always bring the rope in coiled and use it as a pillow. Quote Link to comment Share on other sites More sharing options...
nels0891 Posted December 11, 2011 Share Posted December 11, 2011 Im a fan of the pillow technique mentioned above. Try it out and let us know! Quote Link to comment Share on other sites More sharing options...
montypiton Posted December 13, 2011 Share Posted December 13, 2011 I consider the "rope for ground insulation" trick an "emergency" tactic for use only on forced bivouacs. In a tent or snow-shelter, the combo of evasote or ensolite under thermarest or equivalent is a tried and tested favorite. Personally, I prefer both pads at full-length when it's really cold. The few extra ounces are more than balanced out by the comfort they provide. Yeah, you can pad/insulate with ropes, packs, clothing, etc - I've found the compromised comfort usually overshadows the few ounces saved... Quote Link to comment Share on other sites More sharing options...
Friedrich Posted December 13, 2011 Share Posted December 13, 2011 I'll second that. I've found the full-length pad to be worth the weight for me. I consider the energy saved by sleeping better outweighs the energy cost of hauling the extra 4-6 ounces. And if you go with one of the new fat ultralight pads the weight difference is even less. Just be careful with it and bring a couple repair patches in case of crampon invasion! Quote Link to comment Share on other sites More sharing options...
blueserac Posted January 17, 2012 Share Posted January 17, 2012 Your initial question seems to have the answer...do it! Do it you are yes going on a multi-day route where you will be on a small ledge, in a big col, chopping your platform, resting for a few mid route, it makes sense, and your initial idea of creating an insulation layer beneath an existing sleeping system are sound. Dead air space without circulation is insulation. Well done, you get it! In the early days it was used to save both weight and volume in your pack and kit, however now that our gear is much lighter and compact than then you can still save weight and volume. You are already carrying the rope, it is your base that you place your other sleeping pad on top of, it is really quite comfortable. One rope a person. Under all of your kit and utilized as the initial layer of insulation it will not get everything damp and wet. Use a bivi bag. You can always shake out the snow and frost prior to bringing it in, and it also helps to keep things less columnar on an a multi day. My team and I would use it: in a tent, where after making our platform and getting the start of the tent up- the one most chilled would go inside and lay the rope one each sleeping spot- the other would guy out the tent; with bivi bags where everyone would lay out the rope at the bottom of their bivi bag, then place sleeping pad and gear on top rope, then crawl in bag; even in cabins and caves, as before; and again in when a forced bivi happened without pads. We focused on first layering below the torso, then as much the hips and legs as possible. Your pack will work great for the legs and the other contents in silnyl bags will be good borders, and you will have enough stuff to make a pillow. The primary thing for us aside from weight was to reduce volume, especially for climbing with your pack on technical ground. If we could head out with a 30-35L day pack for 2-3 days we were good! Find your fun. Quote Link to comment Share on other sites More sharing options...
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