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KN, p. 271 “The Impact of Weather on Guns and Bullets”

March 3, 2021
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Not long ago, a writer mentioned in a Facebook thread that cold must have an adverse effect on firing accuracy. Well, yes and no. Assuming that the shooter is a crack shot, it depends on the firearm, the type of bullet, the type of shooting involved, and how extreme the weather is.

 

Both extreme heat and extreme cold can affect the trajectory of a bullet. ‘Extreme’ in this post refers to temperatures above 90 degrees Fahrenheit and below zero.

 

Cold air might cause a more noticeable variation in the bullet path than warm air. Cold air can slow down bullets because cold air is more dense, so it’s harder for the bullet to move through it when longer distances are involved. Hunters might choose a different shaped bullet to help with this issue, but the bullet shape and air density really only comes into play for most shooters when the deer is over 300 yards away – the distance of three football fields. But, even at 200 yards, tests have shown that any bullet drop caused by the cold is only going to be a tenth of an inch.

 

Cold can cause misfires as a result of using the wrong cleaning oil for the weapons – one that’s not meant for cold temperatures. Oil that gets gummy with temperature variation doesn’t help any shooter, whether using rifles or handguns. Read “Did you clean your gun this week?”

 

‘External ballistics’ refers to what happens after the bullet leaves the firearm.

 

It can get really windy in the dead of winter, what with huge storm fronts moving in. I wouldn’t want to step a foot away from my toasty house when the wind chill makes me miserable just to be outside, but law enforcement officers in our far Northern States sometimes don’t have a choice. SWAT teams have to take into consideration the effect that the wind, added to the cold, will have on any distance shots they need to take. Wind is unpredictable and rarely constant, and can affect the shot anywhere along the path of the bullet. However, most hostage situations or other interactions with the bad guys, take place at under a 100 yards, which greatly reduces the firing challenges law enforcement might face, to practically non-existent.

 

Over 300-400 yards (mainly applying to snipers in the field, or hunters in the mountains) a windy day does make a fairly large difference when adjusting for the shot. Experts and charts tell us that at temperatures around zero, a bullet can shift wide by as much as four inches off target and drop as much as 2 inches, than if the same shot was made at 90 degrees Fahrenheit at that range. Plus, the greater the distance, the more the variation.

 

Here’s an interesting comparison of shots made by those long distance shooters in different air temperatures, without wind or other factors to interfere.

The target is 1000 yards away – about ten football fields:

  • In 68 degree weather, moderate by most standards, the target can be hit dead center.
  • On a slightly colder day, 50 degrees, without making adjustments to body or gun position, the shooter will miss low, by 6-12 inches.
  • On a hot day of 86 degrees, again without making any body or firearm adjustments, the shooter will miss high, by 6-12 inches.

 

But wait. The gunpowder in the bullet can be affected by the cold as well. Some gunpowder is temperature sensitive, so if you load your own bullets and live in an area with extreme temperatures, you need to buy the temperature insensitive type. The wrong gunpowder in the bullet can slow its velocity. Added to the dense cold air issue, it’s a recipe for missing the long distance target. To be honest, today’s ammo manufacturers are more in tune with customers wanting fewer misses related to this issue, and several temperature insensitive options are readily available.

 

These days, there doesn’t have to be much guesswork involved in adjusting for wind and temperature variations. There are apps for that. If a phone has enough bars out in the woods, the average hunter can get online and check out a ballistic calculator with charts to help with corrections for the conditions being experienced.

 

Law enforcement officers in the steamy South face different obstacles when dealing with heat. Higher temperatures result in gunpowder burning faster, which then causes higher bullet speed. A competitive shooter from North Carolina shared that in the summer he shoots in the early morning, when temperatures never get all that high. But, he’s more concerned about his grip slipping because of the sweat on his palms than from any effect of the temperatures on his ammo. His experience taught him to purchase handguns with non-slip surfaces and grips. In any case, his targets are all under 100 yards away, so the only thing affecting his shots are a bad day at the range and his own sweat.

 

A gun store owner told me recently that hunters out in extreme temperatures are usually accompanied by big game guides who make sure the equipment is properly selected for the conditions.

 

Long distance shooters need to take these temperature variations into account. People using their handguns at under 100 yards? Not so much.

KN, p. 270 “Recovery Times for On-the-Job Injuries”

January 20, 2021

The human body is a remarkable, self-contained skin, blood, water, and bones system. It has the capability of withstanding deep cuts and bruises, and even with the loss of limbs and blood, can still keep functioning. Amazing as this is, we are expected to accept on TV and in the movies that people can walk away from serious injury, take an afternoon/day off from work and get right back to the job of running after criminals and taking them down. That our heroines/heroes train a little harder than ordinary humans, face the pain in ways that mere mortals can’t, then get on with their service to the community.

Not so fast.

Yes, there is intense physical training at some of the law enforcement academies and in the special ops branches of the armed services. Physical training is included so that patrol officers will have the stamina to chase suspects up staircases and through neighborhoods without having coronaries. Special ops personnel have specialized continuous training because of the harsh conditions and challenging terrain encountered during their service around the world.

BUT, after I watched yet another 40+ year old actor ‘survive’ several jumps onto adjacent roofs a story below, continue to run after the suspect, tackle, subdue, and arrest that suspect, I rolled my eyes and questioned a couple of doctors in the know.

Repeated landings onto hard surfaces from elevations that are greater than your own height will most likely result in injury to the legs. Knees, hips, femur, tibia, fibula, ligaments, and tendons all feel the shock of repetitive pounding. Hair line cracks in the bones of legs and/or feet (as well as varicose veins) can result, even for people in their twenties. The cop may be able to chase the suspect on level ground for a few blocks if his/her cardio is in great shape, but jumping and landing from a height of more than a few feet should be followed in the books or movies by ice and/or splints and feet up for more than ten minutes. Ignore the first aid and the injury gets worse, and may result in chronic pain and/or a limp, no matter how heroic the character. Keep jumping over walls onto concrete sidewalks and an orthopedic visit will be on the schedule.

Fight scenes:

After an intense fight, there will be cuts, swelling, and bruising all over body. The body’s own natural adrenaline will carry you through the fight, but sleep, first aid, and ice packs are required to combat the ensuing pain and stiffness. Those bruises will start out as blue/purple, and as they heal will turn yellow/green. It takes about 10-14 days for the bruises to disappear, so the guys in the fight should still have some sign of the struggle on their faces or body for at least a week.

Kneecap injury: Ouch! Ligaments and tendons tear and pop and hurt A LOT! You can walk on an injured knee for weeks, but unless you like to limp, surgery is in your future. Whether minor or major surgery is part of the package, the doc will have you up and walking (with crutch, cane, or walker) the next day. There will be a load of Physical Therapy and maybe a desk job until that knee is fully recovered. (Based on my own knee surgery experiences.)

Broken bones:

A clean break in an arm requires a splint/sling to keep it more or less stable until it can be set. Recovery takes 4-6 weeks, but return to work might only take a few days because an arm is not weight-bearing.

A clean leg bone break? Depends on which bone in terms of recovery, but it could take up to 8 weeks. High on the thigh, or a compound fracture are awful breaks in terms of pain, physical therapy, and recovery, and might even be career-ending injuries. In the real world, nobody chases a suspect anytime soon on a compound fractured femur, even in a cast.

Fall through a plate glass window: the actors jump through ‘sugar glass,’ not actual glass. Anybody that gets through a plate glass window for real would have lacerations on any exposed skin, and other injuries as well, depending on the distance of the fall and what frames the glass. Most people are not big or heavy enough to break through the plate glass, but might get a concussion from collision with it.

Please note: the person in the photo was taking part in a re-enactment of a multiple injury accident scene, complete with fake blood. She was not injured in any way.

GSW (Gunshot wound): Recovery depends on where the GSW is on the body, and how severe the wound. There might be no hospital time with a couple of stitches and a light painkiller, or weeks of recovery, multiple surgeries, infection, and permanent disability.

A bullet graze is usually the equivalent of a deep cut. It hurts, but nobody is going to die from it or need an overnight stay in the hospital.

A bullet that goes through and through will hurt a great deal even if it misses vital organs. Bleeding must be stopped until help can arrive. An abdominal wound requires surgery and recovery time in bed. Holding onto your side after getting shot while you chop through the jungle with a machete ain’t happenin,’since moving increases the bleeding.

If the bullet nicks a major organ and the cop survives long enough to get to a hospital, surgery will be performed. Recovery time? Count on months away from work, not a few days.

If the bullet nicks an artery? It’s possible to bleed out in less than ten minutes (and die at the scene) before help can arrive.

My source of information: anonymous, but a Physical Therapist, an Orthopedic Surgeon, and active friends that have sustained a variety of injuries over the years.

KN, p. 178 “Is the builder dead yet?”

October 14, 2020

 

“What? Is somebody trying to kill the builder?” you ask.

‘They’ might be thinking about it. As in, more than one person is annoyed.

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Here’s what is happening. When we moved in, the neighborhood was full of wooded lots. Even the properties with houses already there, had plenty of trees at the edges, along the fences, or next to the houses. Some were mature trees that had been left on the otherwise cleared lots before construction had begun. Property owners added flowering trees as time passed. Wildlife flourishes in this residential neighborhood of 1/4 and 1/3 acre lots. We’re not out in the country, but these are not zero-lot homes either.

 

Phases 1 and 2 of the larger housing development have long been completed. Phase 3 was finished three years ago, the original trees are beautiful, and the owners are adding new fruit/flowering trees each year.

 

Enter Phase 4. The original developer had a few lots left and found a builder to buy them. That builder wanted the lots cleared before finalizing the deal. That’s when we, the neighbors, discovered that some of the grassy/lightly-wooded areas between existing homes were actually unsold lots.

 

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ALL of the trees from those lots are being cleared, lots of red dirt remains, and now mudslides into neighboring backyards are expected with the next heavy rain.

 

The developer in charge of the work told me on the phone that the lots are not wide enough to have left the trees in place. The one in the photos is 60 feet wide. Years ago, I lived in a house surrounded by maples and evergreens. That lot was 50×100. IMO, this guy simply did not want to take the time to leave a couple of trees to shade the house and protect the wildlife on the lot.

 

The neighbors to the left and right of the bulldozer photo were concerned enough to have the City Inspector come out to assess the situation. Note the dirt to the left appears to be in a pile that crosses the property line and would be the most likely to slide into the neighbor’s yard in the rain.

 

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The builder’s solution was to place sand barrier ‘fencing’ on the property line. The bulldozer operator moved the dirt up against it.

 

Other lots have similar problems with soil grading and tree removal.

 

Heated conversations have been held. The neighborhood grapevine is operating at peak efficiency. Town council meetings are scheduled on the topic.

 

In case you doubt that neighbors and builders would actually get angry over something like this, read on.

 

Existing homeowners in Colorado were upset with new builders in the neighborhood who appeared to be putting in homes that did not conform to the look of the development, thereby lowering everyone’s property values. Building was delayed while plans were reviewed. Board members who were in charge of approving the designs (but didn’t) were removed from their positions and new people replaced them.

 

http://www.reporterherald.com/ci_20492538/homeowners-builder-bank-at-odds-lovelands-taft-farms

 

When developers with big money at stake and disgruntled homeowners with possible deflated property values are at odds, tempers can flare, injunctions can occur, and nothing good happens. If the builder complies with city ordinances, there is little recourse for the neighbors who don’t care for the look of the newer houses, or how the new homes will affect them.

 

City codes exist for a reason. Check yours out. You might be surprised at what is NOT included in some communities, such as: building setbacks, curbing pets, rules about garbage, home swimming pool regulations, livestock allowed in the city limits, etc.

 

We haven’t seen any bodies in the remaining woods yet, but it is still early in the process. Kidding. Tempers are high, but so far, everybody is at the yelling stage. Let’s hope that reason prevails and the builder corrects the problems he has created, and doesn’t produce any new ones.

 

2020 Update:

The two houses built on the properties in the photos have flooding issues. One has a perpetual pond in the backyard from the water cascading down the slope, requiring special drains to keep the water away from the house. The builder was within city code requirements and took no responsibility for the flooding caused by his bulldozing method. Buyer beware.

 

*Photos by Patti Phillips

 

 

 

 

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