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Q&A How to melt snow without fire or body heat?

A dark coloured water bottle strapped on top of your pack would absorb quite a lot of solar heat on a sunny day. Getting the snow in would be easier with a wide neck, like a bike bottle or Nalgene....

posted 5y ago by Chris H‭  ·  last activity 5y ago by System‭

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Q&A Does an ice chest packed full of frozen food need ice?

I will not comment on the general feasibility of your plan. However, I did a little research about the specific heat of various materials, and the results are actually pretty interesting. We are ...

posted 5y ago by fyrepenguin‭

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Q&A Does an ice chest packed full of frozen food need ice?

I'm assuming the amount of food you want to take and your coolbox size is fixed, so the question you're asking is really whether you should fill every remaining gap with ice, or whether you should ...

posted 5y ago by Chaos‭  ·  last activity 5y ago by System‭

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Q&A Is 5R barrel rifling more accurate than 4 or 6 groove rifling?

tl;dr: No. Any theoretical advantage of one rifling profile over another is lost in execution. Since this is a question of practice, not theory, I appeal here to the experience of authorities in ...

posted 5y ago by feetwet‭

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Q&A Impact of throwing away fruit waste on a peak > 3200 m above a glacier

My viewpoint: If it is unlikely to be seen before natural processes take care of it then disposal in the wilderness isn't unreasonable. Thus, below timberline, outside Jasper National Park, walki...

posted 5y ago by Sherwood Botsford‭  ·  last activity 5y ago by System‭

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Q&A How do I make and test a radar-reflecting hat?

It's a very good question. I found an article that has some suggestions: Finally, it is important to consider your visibility on radar and at night. The best way to ensure that you are seen on...

posted 5y ago by David D‭  ·  last activity 5y ago by System‭

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Q&A Impact of throwing away fruit waste on a peak > 3200 m above a glacier

The problem with food waste at that elevation is that there is very little soil to bury things and that decomposition happens much slower at those altitudes. Sometimes there are still marmots/pika...

posted 5y ago by Charlie Brumbaugh‭  ·  last activity 5y ago by System‭

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Q&A Cargo capacity of a kayak

I have been kayaking around Corsica, Denmark etc for longer periods in one man boats. We brought everything with us except food for the entire period. We had some spare food and a one or two day su...

posted 5y ago by System‭  ·  last activity 5y ago by System‭

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Q&A Cargo capacity of a kayak

There's no specific rule for how much cargo a single kayak can take, but there is a general rule that says a two man kayak of a given model has the same cargo capacity as a one man kayak of the sam...

posted 5y ago by Separatrix‭

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Q&A How to tell whether a particular pair of sunglasses will effectively protect your eyes?

Posting this partial answer in the hope of soliciting comments: Electronics suppliers like digikey sell UV LED’s in various wavelengths, and various devices such as photovoltaics or photoresistors...

posted 5y ago by mmcc‭  ·  last activity 5y ago by System‭

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Q&A Can a Gri-Gri work if the cam is prevented from engaging?

From my experience, NO. My only experience using a few different Gri-Gri devices was during my beginners course last year. I have however used figure 8 belay devices for years at scouting and that...

posted 5y ago by HTDutchy‭  ·  last activity 5y ago by System‭

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Q&A Can you shoot and eat animals such as deer and stuff on England or is that specified as poaching?

Note: I'm not from the UK, but a quick search of the laws relating to poaching is pretty easy. Note: THERE ARE MANY ANIMALS IT IS ABSOLUTELY FORBIDDEN TO HUNT/SHOOT (think large large fines and ja...

posted 5y ago by bob1‭

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Q&A What's the minimum possible gap needed to tie a slack-line between two trees?

As close together as you want! Most climbing gyms will set up 5m (ish) lines which is a pretty good distance for beginners. In general you probably don't want to go much less than 3m. Keep it nice ...

posted 5y ago by noah‭

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Q&A Can you shoot and eat animals such as deer and stuff on England or is that specified as poaching?

The gun laws in UK are extremely tight. A firearm at your house must be licensed and kept in a locked cabinet. Even being in possession of a firearm in a public place in the UK without a lawful rea...

posted 5y ago by Weather Vane‭

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Q&A What are known failure modes of the auto-braking mechanism of Grigris?

There are several scenarios but they all boil down to not using the brake hand but instead hoping the device will catch or improperly sized ropes. 1) with super-skinny ropes; 2) an extrem...

posted 5y ago by Charlie Brumbaugh‭  ·  last activity 5y ago by System‭

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Q&A How to escape a cave in an emergency situation?

If someone is seriously hurt deep in a cave, and only hours away from dying, chances are they are going to die. You have a map, but do you know how to read it? Cave maps don't read like a topo ma...

posted 5y ago by ShemSeger‭

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Q&A Uses of a rabbit in a survival situation?

One rabbit will not make a meaningful impact to your food situation, nor your clothing situation. Since you have water, you can survive for a while yet, especially if you were carrying some body fa...

posted 5y ago by gaius‭  ·  last activity 5y ago by System‭

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Q&A How do I make and test a radar-reflecting hat?

Your question implies that having a radar reflecting hat is somehow going to prevent you getting hit by a large ship that is using radar. This is at best wishful thinking. In most cases human pow...

posted 5y ago by James Jenkins‭  ·  last activity 5y ago by System‭

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Q&A Is Permethrin safe for cats after it dries?

DO NOT USE THIS ON OR AROUND YOUR CAT. PLEASE I read that it was safe when dry or when used in small amounts or all kinds of BS that lead me to believe it was okay to use as long as I was cautiou...

posted 5y ago by Stephen‭  ·  last activity 5y ago by System‭

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Q&A Why use string walking in archery to change the distance of your shot?

This site covers the why (emphasis mine). Barebow archers don’t have the luxury of an adjustable sight or multiple sightpins. Instead, they use their arrow tip to aim, turning its point into an...

posted 5y ago by noah‭  ·  last activity 5y ago by System‭

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Q&A When slack lining between trees, how big should the tree trunk be if the line is 15 meters, person is ~150 pounds?

My son slack lines (6' & 165lbs) on +15 M of 1". Using tree savers and each tree is about 6 to 8 in in diameter. He practices on a staked rigging over 6" rounds that lie on their side at each e...

posted 5y ago by E1Bridwell‭

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Q&A What are the strongest knot(s) for using on FLAT webbing slings? (joining and bight termination)

It's unclear if you're asking about sewn slings or single lengths of webbing--so I'll answer each separately below. The most important thing when using webbing (sewn loop slings or single lengths...

posted 5y ago by jhch‭

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Q&A Uses of a rabbit in a survival situation?

You can, of course, use the skin for some (minimal) clothing - furs are nice and warm. You could also use the animal as bait (living or dead) to attract larger animals (bigger skins) or for fishin...

posted 5y ago by bob1‭

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Q&A Using paddles to support a bug net

My buddy just sent me this picture. But he didn't want to send me more detailed pics or a drawing. I'll keep this answer up to date whenever I'll have more details.

posted 5y ago by Dakatine‭

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Q&A Knee injuries prevention using knee protectors

Actually, I would use knee protectors only when needed. It could be used to prevent it, but mainly if you suspect you might get an injury. Instead I would focus on preventing by using a better tec...

posted 5y ago by Michel Keijzers‭  ·  last activity 5y ago by System‭

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