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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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Extending Anchor Chain using Static Rope over Edge

I have a fixed anchor consisting of a ring through a bolt, connected to another bolt with a chain, as show in this image: Since this anchor point is at the top of a rock, I want to extend it over the ...
sven's user avatar
  • 21
9 votes
5 answers
3k views

Do reflective warning triangles blow away in wind storms?

I recently drove on a rural road at night during a wind storm. There was a tree down on the road. So I put my hazard lights on to alert other drivers, and I was about to call the municipality, but ...
User1974's user avatar
  • 1,515
2 votes
1 answer
71 views

How to measure key characteristics when tree tagging?

I am involved in a tree tagging project. What are the best methods or devices for measuring things like height, tree age, and tree health?
Manar Soliman's user avatar
2 votes
2 answers
139 views

How to do a snowpack test without using a saw

Suppose I am out in the mountains and I want to do a snowpack (in/stability) test before traversing across a slope. I have not, however, carried a saw - to cut a snow column. I have on me regular ...
ahron's user avatar
  • 1,841
8 votes
3 answers
955 views

Insurance for expeditions

We plan to cross the Greenland ice sheet next year on skis: duration: roughly 5 weeks no civilization close by Where can we find reputable insurance for such a trip (for Europeans)? We are ...
cerv21's user avatar
  • 1,047
4 votes
0 answers
434 views

Can the Edelrid Pinch open accidentally during belay?

The Pinch is a recently released brake-assisted belay device. What differentiates it from other Grigri-style devices, is the ability to directly clip this into the harness. Edelrid is marketing this ...
Manziel's user avatar
  • 7,445
1 vote
1 answer
304 views

Why is it safe to check in climbing gear onto a flight?

In the manual that comes with my rock climbing rope I bought (black diamond) there's a picture with a death sign when the temperature goes below -62 Celsius. Temperatures outside of planes reach well ...
JobHunter69's user avatar
17 votes
3 answers
3k views

Mortality statistics: Ski touring vs rock climbing

In Switzerland, where I live, the communities of rock climbers and ski tourers are quite overlapping. I often rock climb in sport setups (single or multi-pitch and bouldering) but almost never go ski ...
G. Gare's user avatar
  • 273
3 votes
2 answers
448 views

Are there vines in nature that are naturally capable of being a whip, rope or string?

Natural meaning, no human alteration to them besides chopping them off from a tree or any type of plant. Ways I'm wondering if natural vines can be used. As a weapon, such as such as the bullwhip. As ...
Lecifer's user avatar
  • 141
4 votes
1 answer
802 views

Where can I find the currently closed off area on Strómboli?

On the Aeolian island of Strómboli, my maps and hiking books indicate and describe trails from both Strómboli town and Ginostra to Pizzo o Sopra la Fossa, similar to the indications on this sketch. ...
gerrit's user avatar
  • 27.3k
2 votes
3 answers
237 views

Does cigarette smoke deter lions?

I have not ever encountered or anything like that with a lion but I was watching a video and encountering lions came up, so I was wondering what I would do, so it eventually led to can smoking a ...
Prince's user avatar
  • 21
24 votes
6 answers
10k views

Cold water swimming - go in quickly? or slowly?

Assume you want to do some cold water swimming, i.e. anything under 14 Centigrade (57F) water, for more than say 10 minutes (so, expressly, not a Polar Bear "dip and scoot"). What's the ...
Italian Philosophers 4 Monica's user avatar
5 votes
3 answers
579 views

Waterproof safety kit for aluminum boat

What kind of safety kit should I have for my 12-ft aluminum boat -- for solo day trips on lakes in Eastern Ontario? I'm especially interested in having a waterproof kit with a waterproof flashlight. ...
User1974's user avatar
  • 1,515
11 votes
1 answer
4k views

How long after a storm is it safe to go into the forest?

Authorities warn against going into the woods after heavy summer storms. But they never say how long after a storm woods tend to be unsafe with trees still falling over and branches falling off trees. ...
Ivana's user avatar
  • 823
6 votes
3 answers
343 views

Will listening to a podcast at moderate volume decrease the likelihood of a bear approaching my tent?

I am on a long trek in the Balkans and am sometimes camping when there is no cheap accommodation available. I am not yet very experienced in camping, and at this stage I am normally camping near ...
novice's user avatar
  • 261
1 vote
1 answer
174 views

Why aren't ground penetrating radar drones used for hidden crevasse detection

In a few studies, researchers used ground penetrating radar to detect hidden crevasses in alpine regions. Since the cavity of the crevasse refracts and reflects differently than the surround snow, the ...
roh's user avatar
  • 11
11 votes
5 answers
2k views

How to assess cold water boating/canoeing safety

I’m planning a vacation in eastern Ontario in mid-May (Bon Echo area). It looks like Pike and Walleye fishing opens around that time. So the people I’ll be vacationing with want to do some fishing by ...
User1974's user avatar
  • 1,515
1 vote
1 answer
215 views

When did the manufacture date became mandatory written on labels in Europe?

Equipment like ropes, slings, harness, etc. have the manufacture date on their label. I still have some older equipment without any manufacture date written on their label. When did it become ...
Wernfried Domscheit's user avatar
21 votes
5 answers
6k views

How can I find the safest place to cross a frozen river from a map?

Where is the better chance the ice on the frozen river in winter will be thicker and safer to cross? I expect the river width oscillates between the following conditions: on a shallow, wider, slower ...
HoursFrom.World's user avatar
6 votes
2 answers
384 views

How to avoid land mines?

Some areas here have old mines from 50 years ago. Dangerous areas are often surrounded by barbed wire and have warning signs. However, because of soil erosion we can't be sure where the dangerous ...
anatolyg's user avatar
  • 4,563
17 votes
4 answers
4k views

How do I tell if this single climbing rope is still safe for use?

I've lent my friend a five year old single climbing rope for a garden project. It was in meticulous condition until then. Instead of a weekend it took him more like six weeks to complete his project ...
Andreas Schwab's user avatar
1 vote
1 answer
163 views

Would this kind of rope ascension system work?

Can i use a petzl ascender, regular Black diamond ATC (NOTE: not guide ATC), footloop and a prusik attached with a biner to my harness to ascend a fixed rope attached to a tree? I don't have a grigri ...
Neltitekno's user avatar
0 votes
2 answers
212 views

Looking for Technical Information on a Gadget with Fall Detection and Reporting Capability

I am old enough to plan ahead on fall detection, but vigorous and stable enough not to need it in everyday life now. However, I no longer feel comfortable hiking alone, and would like a gadget that ...
ab2's user avatar
  • 23.9k
4 votes
1 answer
222 views

How to handle a dropped DSMB spool at depth

When technical diving, you usually will deploy your Delayed Surface Marker Buoy prior to your first decompression stop (eg 70ft). If you drop while attempting to deploy and it unravels at depth, ...
user avatar
15 votes
3 answers
5k views

Under what circumstances, if any, can thunder by itself cause damage?

We had an extremely impressive thunderstorm last night, unprecedented for the fairly moderate Northern Virginia weather, and impressive probably in most places. I was glad not to be in a tent. I was ...
ab2's user avatar
  • 23.9k
3 votes
2 answers
560 views

Soft catch for much lighter climber

One of my friends is just starting to get into lead climbing. I'd like to find some good approaches for providing them with a soft catch if they fall. However, there is a big weight difference ...
Dan's user avatar
  • 273
1 vote
2 answers
446 views

Do puff adders really not bite you if you step on them?

I had understood the puff adder to be one of the most dangerous snakes in the world; apparently, it kills more than thirty thousand people each year. From which I had concluded that it must be very ...
rwallace's user avatar
  • 1,701
9 votes
1 answer
229 views

Do long/high beams on a car work to warn moose off the road?

I heard what sounded like an old wives' tale some time ago: If you are driving along a stretch of road with a moose warning, using headlights on long/high beam even during daylight will warn moose off ...
Haem's user avatar
  • 445
4 votes
4 answers
864 views

Why be passive while attacked by a brown bear?

Recently I walked through Dolomites in Italy, and there was a warning sign that this is bear-encounter area. There were tips on what to do in general. But one of tips was "if bear approaches you ...
user46147's user avatar
  • 575
14 votes
4 answers
4k views

Climbing attached to a carabiner rather than tying in

I've just started rock climbing at an indoor climbing gym with a few friends. I noticed on the auto-belay walls, the was a carabiner you clip to your harness (I assume in the belay loop). Is it safe ...
Dan's user avatar
  • 273
3 votes
3 answers
2k views

Is it worth to use LEP flashlights as a tactical or EDC?

LEP (laser excited phosphor) is the new technology of flashlights to use, with extra brightness. I get some cons to use LEP, like its effect on eyes if the light beam is applied directly to them. I ...
Retus's user avatar
  • 58
1 vote
3 answers
1k views

How high need a concrete wall to be so bears can't climb it

This question is a bit similar with how high does a fence need to be to prevent European brown bear to climb it? question but not exactly (that one specifies a fence, and needs to provide vision and ...
zozo's user avatar
  • 121
41 votes
9 answers
10k views

Can a kid ever dive too deep while snorkeling and breath-hold diving?

My son has recently discovered snorkeling and diving (by holding his breath, not scuba diving or anything). He can go at least 4m (13 feet) deep to pick up nice shells he sees on the sea floor. My ...
Ivana's user avatar
  • 823
13 votes
2 answers
3k views

Overtreated a backpacking outfit with permethrin. Safe to wear?

I purchased a spray-bottle of Sawyer 0.5% permethrin to treat some of my clothing in preparation for a backpacking trip. The spray nozzle turns out to have been quite a bit more generous than I ...
Conduit's user avatar
  • 233
41 votes
8 answers
8k views

Had to drink untreated water: Any immediate action to avoid getting sick?

In the wilderness yesterday I ran out of water and did not think I could hike out safely at my level of hydration. Lacking a treatment method, I drank 1.5 liters of water directly out of a small, ...
Peter Schilling's user avatar
4 votes
1 answer
237 views

Is an open tower with a lightning rod safe?

I'm thinking of watching a thunderstorm from within a wooden structure that has installed a lightning rod. Here's how it looks: You can see the grounding wire on the right side. On the Internet, I ...
chrupki's user avatar
  • 43
9 votes
6 answers
610 views

Hiking alone: a website that alarms the police if something happens

I go hiking alone quite often, and I don't have many people other than myself in my entire life to whom I can say "I'm going here alone. Call the police if you can't reach me" Is there an ...
Our's user avatar
  • 191
0 votes
1 answer
520 views

How do people who don't have a driver's license yet live remotely solve their food/survival needs? [closed]

I never leave the apartment anymore, because the outdoors have become a frightening dystopia. My childhood quarters have been utterly ruined with tasteless buildings and soulless (and dangerous) ...
W Kusel's user avatar
5 votes
1 answer
275 views

How feasible is it to develop a crag that was blasted for material/was a quarry?

There's a local quarry that is no longer in use (for many decades), and has 30-40ft walls. Much of the material on the wall is very crumbly, especially near the blast holes: There's still a large ...
ijustlovemath's user avatar
6 votes
2 answers
1k views

Is it safe to depend only on a prusik?

This weekend I got myself into (for me) a hairy situation while rappelling. I got to a set of rap anchors that I needed to transfer to in order to get down to the next ledge, so I transferred myself ...
ijustlovemath's user avatar
-1 votes
1 answer
84 views

Ice climbing top rope with joined roped [duplicate]

Are there any safety concerns connecting two ropes (40 and 50 m) with 2 double fisherman knots and then installing an anchor with 2 carabiners connecting the anchor to the rope for top-roping? Let's ...
cerv21's user avatar
  • 1,047
1 vote
2 answers
430 views

357 Magnum vs 38 Special +P single shot weapon

Have a single shot short barrel weapon of unknown caliber. Was told it was handmade for either 38 Special +P or 357 Magnum. How safe is it to shoot 357 Magnum if made for 38 Special+P ? Maybe handload ...
John M's user avatar
  • 11
6 votes
3 answers
668 views

Top rope installation on an anchor

Let's suppose we have two bolts which are connected with a chain and a ring for rappelling at the top of a climbing route and we would like to install a top rope setup. I hear on a monthly basis that ...
cerv21's user avatar
  • 1,047
5 votes
1 answer
260 views

When driving a power driven vessel heading towards the port beam of another vessel underway what is the correct proceedure to pass on the stern?

This mock exam question from the hong kong marine department marksheet says option A is correct, however i think option A would cause a collision. Refering to all of the materials i have, I feel this ...
user74847's user avatar
  • 199
4 votes
1 answer
354 views

Liquid chalk spill on climbing gear

So we were climbing today with some friends and an accidental liquid chalk explosion occurred in one of the backpacks. Contents of said backpack include: carabiners, a nylon sling and the nylon ...
Momchill's user avatar
  • 143
5 votes
4 answers
416 views

How can I organise an expedition to the arctic?

As a person who is completely new to the outdoors (e.g. has never been camping), but is fascinated by the arctic and would love to try (at least once) to go on an expedition, what would be advice for ...
user20172's user avatar
  • 161
4 votes
1 answer
116 views

In a river with light traffic, while swimming its length, how to be better seen by boats?

I try to look forward and flip to my back to look backward every five or so strokes, but my goggles eventually fog up. It's hard to see boats unless I'm constantly stopping to clean out my goggles. ...
adamaero's user avatar
  • 141
3 votes
0 answers
244 views

In a -50°F blizzard, how to generate enough body heat to avoid frostbite?

The Winter is coming soon (in ~3 months) here in North Dakota and I'd like to be better prepared than last winter. I have hit a weird personal threshold [mere 5 degrees] that I cannot seem to ...
3D Coder's user avatar
  • 212
5 votes
2 answers
226 views

Would it be possible to walk along the A413/Amersham Road, even though there's no clear footpath?

So I'm planning this circular walk around London using the M25 orbital as a guidance and starting at Heathrow Airport. However, there's an issue towards the start of the walk where there's a footpath ...
Michael van der Zwaluw's user avatar
2 votes
2 answers
841 views

Is it safe to transport a 14.6 Feet canoe on top of my 2017 Toyota Corolla

As mentioned above, would it be safe to drive with a 14.6 foot long (90 lbs) canoe on top of my Toyota Corolla? The Canoe is just about as long as the car. I have a roof rack with crossbars, as well ...
user87854's user avatar

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