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Posts by Charlie Brumbaugh‭

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

I am looking for a new hunting rifle, and one of the features I keep seeing advertised is 5R rifling where there are 5 lands and grooves instead of 4 or 6. Supposedly this makes the barrel more ac...

1 answer  ·  posted 5y ago by Charlie Brumbaugh‭  ·  last activity 4y ago by System‭

Question guns shooting rifles
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Q&A Are perches on humming bird feeders bad for the humming birds?

Apparently, there is a theory that says Hummingbirds can become hypothermic if they sit on a feeder perch and drink several cropfuls of cold sugar water early in the morning. The birds fall to...

1 answer  ·  posted 5y ago by Charlie Brumbaugh‭  ·  last activity 4y ago by System‭

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Q&A Are sleeping system R-ratings additive?

Yes, they should be additive in this situation and its pretty commonly done. As long as the materials involved are dense solids in direct mutual contact,[9] R-values are additive; for example, ...

posted 5y ago by Charlie Brumbaugh‭

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Q&A Are there statistics on how often CPR on someone who has been struck by lighting works?

In all of my Wilderness First Responder classes and books, they have said that people who have been struck by lightning and need CPR have the best chance of it working (in general save rates with C...

3 answers  ·  posted 5y ago by Charlie Brumbaugh‭  ·  last activity 4y ago by James Jenkins‭

Question first-aid lightning
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Q&A Why is doubling up with plugs and muffs when shooting not more effective?

As in the article linked by @topshot, it is because of two factors, Sound is being conducted by your bones around the hearing the protection. They don't act as two separate devices. The prin...

posted 5y ago by Charlie Brumbaugh‭

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Q&A Why is doubling up with plugs and muffs when shooting not more effective?

I keep looking for better ways of protecting my hearing when shooting, and it looks like wearing both plugs and muffs is recommended for indoor shooting (centerfire gunshots range from 160-170 deci...

1 answer  ·  posted 5y ago by Charlie Brumbaugh‭  ·  last activity 4y ago by System‭

Question safety shooting
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Q&A How to isolate a strong magnet from things it could damage in a small backpack?

I have a pretty strong magnet for magnet fishing. The problem that I am running into when taking it places is that I need a way to isolate it from my wallet/phone/compass inside my backpack as othe...

4 answers  ·  posted 5y ago by Charlie Brumbaugh‭  ·  last activity 4y ago by System‭

Question magnet-fishing
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Q&A When should I report a potentially injured-looking animal to authorities in a large, monitored, wildlife area?

In a National Park, unless the animal was harmed by a human, it seems like the park service isn't going to do anything. “The rule of thumb is that if human activity causes an animal to become i...

posted 5y ago by Charlie Brumbaugh‭

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Q&A Does &#x201C;Pay attention to the ounces, and the pounds take care of themselves&#x201D; make sense when planning backpacking gear?

It does make sense to watch the weight of your gear and go for lighter gear when possible. A few ounces here and there will add up to pounds. On the other hand, it is also possible to be penny wis...

posted 5y ago by Charlie Brumbaugh‭

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Q&A How strong of a magnet is needed for magnet fishing for assorted metal objects?

Magnet fishing is where you take a magnet and go fishing for metal objects (usually trash) in ponds, canals or lakes. I think this would be fun and would a good way to clear out some of the garbag...

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

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Q&A Under optimal conditions, how far could an emergency whistle be heard?

Whistles are often used for emergency signalling, it would be good to know how far that signal can travel and still be recognized. There are plenty of factors that would affect the distance, so ho...

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

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Q&A Where can I test an emergency whistle?

You just need a place where blowing a whistle wouldn't be out of the ordinary. Perhaps a city soccer/football field would work as people blow whistles there. Or if you could find an outdoor area w...

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

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Q&A When filming wild animals with a drone, how far away does the drone need to be?

There is a video of a cub trying to follow the mother bear up a steep snowbank and then rolling back down at first. People are saying that it's a cute video but that the drone that filmed it got t...

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

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Q&A What is an alpine start?

An alpine start is when one starts a climb really early in the morning (well before sunrise). Usually the goal is to make it to the top and back down before the conditions deteriorate. Getting to...

posted 6y ago by Charlie Brumbaugh‭

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Q&A When a sailing ship is pursuing another upwind, why does the distance gained to windward matter so much?

In one of the Hornblower books, "We're weathering on her" said Hornblower; his eye was aching with staring through the glass, and his arms even were weary with holding the telescope to his eye,...

3 answers  ·  posted 6y ago by Charlie Brumbaugh‭  ·  last activity 6y ago by System‭

Question sailing
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Q&A Do Eastern grey squirrels pretend to bury nuts in the ground?

It looks like the answer is yes, they do pretend to bury their food to keep other squirrels from getting at it. Dr Michael Steele of Wilkes University in Wilkes-Barre, Pennsylvania, and colleag...

posted 6y ago by Charlie Brumbaugh‭  ·  last activity 6y ago by System‭

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Q&A Can you use an Iridium phone with a SIM but with no active plan to place an emergency call?

I looked at some different plans and it looks like you could buy a prepaid plan and not activate it for up to 2 years. See the pricing here. However that seems like the really expensive option. S...

posted 6y ago by Charlie Brumbaugh‭

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Q&A What is the minimum amount of water per day to survive?

Rationing water is not a good idea, If activity is reduced, healthy people can survive on half their usual food intake for an extended period and without any food for many days. Food, unlike ...

posted 6y ago by Charlie Brumbaugh‭

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Q&A What is the difference between single action (SA), double action/single action (DA/SA) and double action only(DAO) semi-auto pistols

Starting with simple and moving to more complex. Single Action (SA) A single action will only drop the hammer, it will not cock it back. If a round is chambered and then the hammer lowered, it m...

posted 6y ago by Charlie Brumbaugh‭

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Q&A How many tea light candles are needed to equal the heat output of a person?

TLDR: Two candles to a person but you really shouldn't have an open flame inside a tent. BTU of a person, Based on a 2,000-calorie diet, the human body generates about 330 BTUs per hour of hea...

posted 6y ago by Charlie Brumbaugh‭

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Q&A How do I make people not be afraid of me and my dogs?

Couple suggestions for meeting people on the trail with dogs, Keep the dogs leashed. When passing people put the dogs on the opposite side of yourself so that you are between the dogs and the peo...

posted 6y ago by Charlie Brumbaugh‭  ·  last activity 5y ago by System‭

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Q&A How warm does it need to be for bats to come out of their caves?

Once, I was waiting for bats to come out of a cave (I knew there were some in the cave) and they never came out that I could see. While it was after hibernation and the bats were definitely awake ...

1 answer  ·  posted 6y ago by Charlie Brumbaugh‭  ·  last activity 6y ago by System‭

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Q&A Can I avoid dew by sleeping at higher elevations?

On backpacking trips, I would like to avoid dew because it means either waiting till the sun has come up and dried my stuff off or packing wet things and drying them later. My experience is that d...

3 answers  ·  posted 6y ago by Charlie Brumbaugh‭  ·  last activity 6y ago by System‭

Question backpacking weather
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Q&A Can you float-treat a rope?

No, because whether a rope floats or sinks is dependent on its specific gravity (which in turn is dependent on the materials used). [...] Those with SG [special gravity] greater than 1 are dens...

posted 6y ago by Charlie Brumbaugh‭  ·  last activity 6y ago by System‭

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Q&A Tips for avoiding losing things when backpacking?

It can be a real pain to lose or forget something when backpacking, especially if you have to backtrack miles to retrieve it. Are there any tips to avoid this?

6 answers  ·  posted 6y ago by Charlie Brumbaugh‭  ·  last activity 6y ago by System‭

Question backpacking