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Questions tagged [safety]

Questions that discuss about precautions need to be taken for ensuring the safety in various outdoor activities that are in scope of The Great Outdoors should be tagged with this tag.

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1answer
83 views

Do ultrasonic dog repellers actually work against strays and other loose dogs?

In answers to a recent question, ultrasonic dog repellers were suggested as a means of self defence against stray dogs rather than weapons. I'm also concerned with loose farm dogs, and live somewhere ...
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12answers
8k views

Knife as defense against stray dogs

Some places I travel to have stray dogs in the city. Can a knife be used effectively if attacked by one or more of them? I've had creepy close encounters.
2
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1answer
75 views

What is the mortality rate of Mt St. Elias?

Mt St. Elias is a mountain on the border of Canada and Alaska. I believe it has the fastest relief from sea level of any mountain in the world. I've read somewhere that it has a higher mortality ...
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3answers
2k views

Specific Chinese carabiner QA?

Several offshore sailors are considering the use of specific Chinese locking carabiners with personal tethers, to keep us attached in violent conditions. Specifically... https://www.ebay.co.uk/itm/...
2
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1answer
124 views

How much experience is needed for crossing the Mendenhall Glacier?

I'm planning a backpacking trip to Juneau with some friends next summer and was interested in taking the North Ridge route to Bullard Mountain (see: https://www.summitpost.org/bullard-mountain/930372)....
5
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1answer
90 views

Should I take my weight into account when buying and retiring climbing equipment?

In this excellent answer to Ideal and Minimal Rope Diameter for Lead Climbing it is shown how the falling weight affects the drops a rope is expected to survive. This led me to the following ...
5
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2answers
116 views

Forearm Grab Grip Strength

Does anyone know if the forearm grab/hold (both people holding each other's forearms) provides more grip/strength then the normal wrist to wrist grab (similar to traditional handshake) if you are ...
2
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2answers
166 views

Is it illegal to walk on single or dual carriageways in the UK?

We're planning to walk / run the entire 275 miles (443 km) of the A5, from London to Holyhead. On Page 5 of the Official Highway Code, it states that: Pedestrians MUST NOT be on motorways or slip ...
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2answers
149 views

Can an overhand loop be used to shorten nylon webbing as a personal anchor?

Is it safe to girth-hitch nylon webbing through my harness tie-in points and then shorten the webbing via an overhand loop (assume it is too long) and clipping the non-bight part to the bolt in the ...
6
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1answer
152 views

Is it safe to use a nylon climbing runner/webbing that has a small fray?

I have a 120cm nylon runner that I want to use to tether me to an anchor bolt while cleaning the anchor. The runner has a small fray (pictures below). Is it safe to use?
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3answers
269 views

What to do when one point in a climbing anchor breaks?

Climbing anchors usually have 2-3 redundant protection points, which distribute weight. So if one point breaks, this will not be a catastrophic failure. However, what should I do in practice if this ...
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3answers
2k views

Summitting Breithorn in the winter?

I am interested in summitting Breithorn this winter (late January) using crampons and an ice axe. I am in excellent physical shape but I do not have much alpine experience. I have seen mixed reviews ...
3
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1answer
187 views

Why is doubling up hearing protection when shooting not more effective?

I keep looking for better ways of protecting my hearing when shooting, and it looks like doubling up (where you wear both plugs and muffs) is recommended for indoor shooting (centerfire gunshots range ...
6
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0answers
71 views

How serious is bear safety in the sub-polar Ural / Komi Republic / Yugyd Va?

In Norway, Sweden, and Finland, there are resident bears, but they rarely go near people, nobody practices the kind of bear safety that is necessary in parts of North America, and this does not lead ...
6
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4answers
200 views

Should I travel through freezing areas with hot or cold water in my RV tank?

This question is specific to the hot water tank in an RV. In my case it is 6 gallons, propane heated and insulated with the only exterior contact the access panel, as seen in most standard RV's in ...
4
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1answer
218 views

Are urban coyotes a danger to small children?

I live in a city in Ontario, Canada. If city coyotes are not showing signs of aggressive behaviour the city does not normally do anything. My concern in my area is that this is a pack of at least 5 ...
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2answers
229 views

How do you protect yourself against crocodiles when you have no option but to camp on the banks of a croc-infested river?

I am reading Escape Routes by David Roberts. This is a collection of 20 articles ranging from a winter ascent in Iceland to the first descent of a river in Ethiopia, the Tekeze, a major tributary of ...
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3answers
6k views

Where can I test an emergency whistle?

I've just 3d-printed what's supposed to be an ear-shatteringly loud emergency whistle (120 dB at one meter). However, it's apparently somewhat sensitive to printing conditions, because some people ...
5
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3answers
434 views

What to do if woke up in a tent hearing a bear/boar or something else close by?

What should I do if I am in a tent, have been sleeping, and was woken up by the sounds of some large animal quite close to the tent? Just hearing some branches broken by presumably something large. ...
4
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1answer
124 views

What equipment is used to “groom” single track hiking and biking trails?

I've heard of single track hiking/biking trails being "groomed" before to keep them in good condition for users. The use of shovels, rakes, and possibly chainsaws to keep the trails free of debris ...
4
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2answers
173 views

What kind of material was used to make traditional stove jacks?

A stove jack allows you to safely extend a stovepipe through the roof or wall of your tent. Modern-day stove jacks appear to be made of silicone fiberglass. However, it's my guess that silicone ...
7
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1answer
235 views

Why are stove jacks NOT normally made of metal?

A stove jack allows you to safely extend a stovepipe through the roof or wall of your tent. Our stove jacks are constructed of fire proof 17-ounce [0.48 kg] silicone-coated glass material (18" x ...
6
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2answers
284 views

How can I safely use a candle lantern inside a tent?

I have a candle lantern housed inside what I think is an aluminum frame. I'm concerned it will get hot enough to melt fabrics. How can I safely use it inside a tent? Should I suspend it from the ...
5
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1answer
125 views

What rockfall protection equipment are there other than helmets?

We went climbing on a glacier recently. There was one issue which I couldn't find a solution to. While belaying from below (on the first pitch), it was pretty much impossible to protect self from ...
28
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2answers
4k views

At what angle should an ice screw be screwed into the ice?

Recently we were climbing up a glacier with the ice at an angle of around 80°. We were placing the ice screws angling slightly upwards with respect to the slope of the ice wall. However, one from ...
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1answer
184 views

Are grizzly bears attracted by human urine?

I was backcountry camping recently in the Canadian Rockies and there was a sign that said “please don’t urinate around the campsite, it is attracting bears”. Of course, following LNT principles, I ...
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1answer
67 views

What factors would lead to one firearm being louder than another?

Related to this question, firearms make different levels of noise depending on the firearm in question and the choice of ammunition What factors would cause one firearm to be louder than the next?
1
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1answer
109 views

What NRR (Noise Reduction Rating) should one look for in hearing muffs/earplugs for indoor shooting?

Most hearing muffs/earplugs have a noise reduction rating of between 22 to 35 NRR. OSHA says, Impulse Noise: The standard states that exposure to impulsive or impact noise should not exceed 140 dB ...
3
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2answers
155 views

What is the life expectancy of Propane/CO detector?

NOTE the following is while the camper is unoccupied and stored in my back yard. The Propane/CO detector in my camper started going off randomly a few weeks ago. I thought it was from some random ...
8
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5answers
329 views

When did wearing a helmet become the norm for climbing?

This is going out primarily to those who have been climbing for 20yrs + Back in the day, helmet use was optional and not particularly popular. These days, things seemed to have taken a dramatic change....
3
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2answers
64 views

Portable canopy leg weights, how heavy?

I was at an event this weekend and noticed that many of the portable canopies had weights on the legs. My Canopy has stakes and rope tie downs, but often the soil is not appropriate for these (to ...
9
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3answers
309 views

Is it dangerous to go to Mountains when snow is melting?

This year beginning of May 2018 we with my friend visited Valle Grande in Italian Alps. Begging from 1500 meters there was snow, on the high of 1900m there was pretty deep snow and it was actively ...
9
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1answer
140 views

Bivouac on glacier: how to be sure not to stand on a crevasse?

When there is no snow cover on the glacier and crevasses are visible, no need to really worry about crevasses. But what about when there is a layer of snow on top of glacier, hiding crevasses, and you ...
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0answers
125 views

What species of bear are most and least dangerous to humans?

Excluding hybrids it seems like there are eight species of bears. Which are most and least likely to injure or kill a human? Related Do black, brown/grizzly or polar bears ever prey on humans? ...
2
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3answers
125 views

How to deal with changing clothing which was used while cooking as not to attract a bears?

It is said you not only need to keep food at least 30-100 meters away from the tent, which is easy do to, but you also can't sleep in the same clothing which was worn while eating, which can be very ...
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4answers
531 views

If you are canoeing on a lake when whitecaps start happening, what is the best direction to get off the lake?

If you are canoeing on a lake and the wind suddenly starts blowing to the point where there are whitecaps, what is the best direction to head to get off the lake? Would it be the shortest way back to ...
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2answers
4k views

What is a 'Whitecap' and why should I be concerned about boating in them?

I heard someone talking about whitecaps and how they could be dangerous for boating but I am not sure I understand, what they were talking about. What are whitecaps and why should I be concerned ...
4
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1answer
181 views

Beginning paddle boating

Assume I am completely naïve of boating concerns, that I know the following: There are things that float and carry stuff across the water called boats. A boat needs something to make it move. Some ...
12
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2answers
268 views

Is there a good way to be kept up-to-date with climbing gear recalls?

In the last years, there were a few occasions when companies would put out recalls on their climbing gear due to manufacturing defects. For example, Black Diamond recalled some improperly riveted ...
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3answers
244 views

How sophisticated a dust mask can one hope to improvise?

A common improvised dust mask is taking a bandana and tying it over your nose and mouth. I'm asking this question because I'm wondering what else one could add to this set up if anything. First, I'd ...
24
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8answers
8k views

Are there any natural materials found in the wild that can be used as an effective sunscreen?

There are animals such as pigs and elephants that wallow in mud which possibly serves as protection from sunburn. There are also some plants such as Aloe vera (Aloe vera) and Jewelweed (Impatiens ...
6
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6answers
479 views

how high does a fence need to be to prevent European brown bear to climb it?

An entrepreneur is planning a campsite-hotel in Romania, with a full outdoor gourmet restaurant attached, with an outdoor kitchen. There will be no cabins or other living structures, only tents and ...
3
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1answer
332 views

Will the Trailhead Registry burn in a forest fire?

I posted an answer for a recent question about a forest fire that started after your hike began, that said: Presumably you registered at the trailhead, and you have a friend who knows where you are....
29
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5answers
7k views

What to do if you are above timberline and your descent is cut off by a large forest fire?

The situation: you are backpacking and are above timberline. Streams are ubiquitous, you are well equipped so exposure is not a problem, the entire party is uninjured and healthy. But a large, ...
12
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1answer
315 views

Relative risks of various outdoor activities?

I got into a 'discussion' with the vice principal of the school I work at. He was worried about the dangers inherent in our fairly extensive outdoor program. I pointed out to him that an analysis of ...
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1answer
106 views

Is there any evidence that black bears (or other large predators) are indifferent to, or acutally repulsed by, the scent of humans?

I am hoping for more than anecdotal evidence about the negative effects on black bears of the human scent -- ranging from meh to Yecch. This question is prompted by two anecdotes I have to offer: (...
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1answer
124 views

Emergency use hydration products - effectivness vs cost

My medical kit already has some MRE style clean water bags, purification tablets, as well as OTC anti-diarrheal pills at the ready. However, now, I am researching what options there are for hydration ...
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5answers
2k views

Is clipping onto the rungs of a via ferrata bad practice?

I did my first via ferrata this weekend and noticed there were often long vertical distances separating the cable anchors. At times this length was around 10m. This meant that a fall before reaching ...
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4answers
4k views

Titanium Carabiner: what is its ideal use case?

I have the specs of a pretty interesting carabiner. It's made from titanium, it's lightweight and strong. These seem to be great attributes, but there are two caveats. It is pretty expensive ($50). ...
10
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4answers
434 views

Does body need to re-acclimatize after a few days out of altitude?

We will be in Peru visiting Machu Pichu (altitude 7,972 ft or 2,430 m). Then we'll go down to the jungle (essentially sea level) for 4 days and then to Cuzco (altitude 11,152 feet or 3,399 meters). ...