Posts by Mr.Wizard
Figure how much this guy covers in a day: http://www.youtube.com/watch?v=2Vx7GKAUDC0 :-) Here's one I didn't know about until today: Alex Honnold solos Mt. Watkins, El Capitan, and Half Dome in ...
Something that occurred to me after asking is that a Prusik is bidirectional, whereas generally the arborist's knots are unidirectional. I believe the unidirectional knots are easier to both slide...
This question has already been well answered but I would like to address a slightly different point: What's the problem with a wet rope anyway? Dynamic climbing ropes are, to the best of my knowl...
It seems that the majority of professional arborists favor friction hitches that are tied with a free cord rather than a loop: Blake's Hitch Schwabisch Distel Valdotain Tresse This is often tie...
A number of prominent climbing organizations (e.g. International Federation of Sport Climbing) either recommend or require two locking carabiners for clip-in attachment to a harness, e.g. IFSC Ru...
I have never used it and it looks bulky and rather expensive, but the LIFESAVER® bottle makes your third option otherwise practical. You fill the bottle from one end and get clean water from the o...
I am going to approach this question differently. Since the question is marked with the rock-climbing tag the use of a 7.5mm Technora escape rope that AM_Hawk's answer focuses on seems unlikely. ...
I'd like to get some Tyvek maps, both topographical maps and regular street maps of a few U.S. cities. Where can I get these?
I'm not sure why pants don't receive the same attention but the layers are available. You can easily find base, insulating, and shell layers. Olin's answer gives some good reasons layering pant...
How does the performance of genuine fur garments, as might have been used traditionally, compare to that of down and modern synthetics? (Insulating power (wet and dry), water repellency, and any ...
There are several size small 32-inch inseam rain pants listed on REI.com so that should at least get you close. If you prefer a 34-inch inseam the closest I have yet found is this REI pant in mediu...
Failure by cutting is a primary concern In terms of safety (rather than e.g. rope life) laboratory (UIAA) fall testing may not be the most important concern. Even a new, thick rope can be cut in ...
You should not use a toothed ascender as a fall can sever the rope. Additionally these devices are typically not usable for decent therefore additional equipment is required anyway. Section 6 of ...
The Camillus Rescue Heat is nice, if you can find one. The link above is to a video review on YouTube. It covers things pretty well, but my own summary: Non-stabbing thick blunt tip is useful f...
I think if you're seeing damage your concern is valid. I do recall reading that soil compaction is the bigger problem and different rigging won't help that. You could use a "friction saver" as sh...
The knot reduced the runner rating in half, but since there are two strands , its back to the UIAA standard of 22KN ... The 22kN rating is for the loop strength of the sling, not the single-...
There are questions on this site tagged geocaching. This appears to be some kind of GPS game. How is it played?
I have no direct evidence to support this, but I believe that wearing minimalistic shoes like moccasins or Vibram toe shoes reduces trail damage, as does learning to walk and run barefoot. Soft-so...
Serrations are formed on one side due to the method of manufacture (a formed grinding wheel). I suppose it would be possible to grind serrations from both sides with very careful alignment but I c...
From Simple Mechanics: Why Tricams Still Rule (PDF): Stiffen the Sling One way to help make Tricams easier to place and remove is to stiffen the upper part the slings. Over the course o...
From ventile.co.uk: Ventile can be either dry-cleaned as detailed below or hand washed using Grangers 30 Degree Cleaner Professional dry-cleaning in: perchloroethylene, hydrocarbons. ...
Since 550 "paracord" is not a life line (unless actually used as shroud lines or similar), I think price takes precedence, assuming the cord is up to a basic standard of size and construction. If ...
This does have a basis in a known technique, back burning, but by your description the application wasn't orthodox. From Wikipedia: Back burning is a way of reducing the amount of flammable ma...
OutdoorLife.com says: You wouldn’t think by looking at a turkey that they would present much of a challenge. After all, they’re just a pile of feathers and a few pounds of meat, right? Wron...
I think a sit-on-top tandem kayak might work; something like this: The open design means there is no cramped compartment to fit into. This particular tandem claims a capacity of 500 pounds. I ...
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