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Lining Racing High
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When a person has cholesterol buildup in the arteries it is a lot like driving your car with the parking brake on. You will not be able to go as fast and eventually either your brakes or your engine will stop working. While maybe not the best analogy, the bottom line is that when there is a cholesterol buildup in the arteries your heart must pump harder to accomplish the same amount of work.
On a average day your heart must beats an astounding 100,000 times sending 1,800 of blood racing through 60,000 miles of blood vessels. Not an easy task even on a good day. But when cholesterol buildup in the arteries occurs all of the sudden the natural balance of things is upset causing your heart muscle to be put under constant duress.
If we knew for sure the cholesterol buildup in the arteries would not get worse it is possible the body could find a way to offset the heart blood flow imbalance. Nevertheless, without some action on your part the chances are pretty good that a minor cholesterol buildup in arteries will continue to grow until it starts to impact almost every facet of everyday life.
A cholesterol buildup in arteries is know a plaque. Plaque consists of cholesterol, fibrous tissue, dead cells, and calcium. As arterial plaque grows, and matures, it hardens. The ensuing condition is known as atherosclerosis. This dangerous condition accounts for nearly three out of every four deaths from heart disease.
Five steps for reversing cholesterol buildup in arteries
Cholesterol buildup in the arteries can start as early as the age of 3 which likely means most (if not all) or us have at least some cholesterol lodged on the interior lining of our arteries. So in order to scrub our arteries clean we will need to take steps to both reduce cholesterol and saturated fat in our diets and do our best to prevent future deposits from forming. Here are a few ideas starting with the one that is most often overlooked.
*Neutralize blood homocysteine levels: Homocysteines are hostile amino acids produced by the body during the digestion of the proteins. The current theory is homocysteine amino acids chew up cells in the lining of the blood vessels, trigger blood clots, or produce debris that that blocks the arteries. A diet rich in folic acid, vitamin B6, and vitamin B12 is suggested to minimize cholesterol buildup in the arteries as a result of homocysteine amino acids.
*Reduce saturated fat intake to less than 16 milligrams per day: Saturated fat raises blood cholesterol faster than any other type of fat and is primarily found in meat and full fat dairy products. A simple solution is to reduce the amount of meat and full fat dairy products (butter, milk, cheese) substituting fruits and vegetables instead.
*Don't slip in inactivity: Exercise increases good cholesterol (HDL), decreases bad cholesterol (LDL), and keeps our heart strong. The AMA suggests thirty minutes of doctor approved exercise daily, though even ten minutes will help.
*Eat more soluble fiber: Soluble fiber foods (oatmeal, oat bran, whole grain, apples, orange pulp) bind with cholesterol in the intestines and gets rid of it before it has a chance to cause cholesterol buildup in arteries.
*A natural cholesterol reduction supplement could help: Sometimes you may need that little bit of extra protection to keep cholesterol buildup in arteries from occurring, especially when you simply can't say no to burgers, fries, cheese, and dogs over the holiday weekend. Most natural cholesterol reduction supplements are considered to be affordable and very safe, containing natural ingredients such as plant sterols and policosanol.
Rob D. Hawkins is an enthusiastic advocate for the use of safe and effective high quality alternitive health products and natural living, with over 10 years experience in the field. Learn more about natural remedies and natural health at Purchase Remedies.com
RC Pylon Racing: Turn Left - And Fly Fast!
Recently, I attended a radio-controlled model-aircraft pylon race. I was not prepared for the excitement of the event. Both during and after the event, I wanted to know more about RC pylon racing. I talked with pilots, callers, and course workers. To learn even more, I decided to dig into the Academy of Model Aeronautics(AMA) rules and regulations for pylon racing.
A pylon race course is defined by three pylons. Each pylon is between 15-20 feet high. Pylon-1 is positioned at one end of the course near a signal board. The start/finish line is positioned 508 feet from Pylon #1 down the center of the course and 100 feet from a line connecting pylons #2 and #3. Pylons #2 and #3 were separated by 100 feet and formed the end of a triangular course.
Ten laps around the course equals 2.5 miles. The actual distance flown around the course probably varies between about 3 to 3.5 miles. This is so because the aircraft fly in loops around the pylons, have to fly around and pass traffic, and change altitude for one reason or another. The pilots fly their aircraft around the course in a counterclockwise direction, making sharp, left-hand turns only.
The course length was selected to result in 10-lap times between one minute (fast pace) and two minutes (slow pace for beginners). For the quickest aircraft, the speed around the course is typically between 180-200mph.
The signal board is equipped with red lights to signal when a pilot's aircraft "breaks the gate." The "gate" is a line from pylon-1 to the "flaggers" position not less than 300 feet away. As an aircraft passes this line, a flagger activates a light for pilot's assigned lane. A pilot seeing his signal knew that he could make his turn at pylon-1 without "cutting." There are also two white lights on the board for each of the four lanes. These are used to indicate a "cut" (a turn on the inside of a pylon). The cut lights are also controlled by the flaggers.
The start/finish line for the race has four lanes: a maximum of four pilots can participate at once. The lanes are designated according to where, on an aircraft, an identifying red or green decal is applied.
If you visualize an aircraft in front of you during a sharp left-hand bank away from you and around a pylon, one end of the wing will be higher than the other. Aircraft in Lane 1 or 2 have a decal on the low end of the wing; aircraft in Lane 3 or 4 have a decal on the high end of the wing.
Pilots apply a decal according to their assigned starting-lane position for a heat as follows:
Lane-1, green decal on the low end of the wing,
Lane-2, red decal on the low end of the wing,
Lane-3, green decal on the high end of the wing, and
Lane-4, red decal on the high end of the wing
A matching color scheme is used to indicate the lanes on the signal board.
Course judges use the decals to identify each aircraft. For example, a "Cut Judge" might report a cut like this, "Cut on high red."
Before the races begin, the pilots perform last minute checks on their aircraft, fuel them, and apply the colored decal.
The Contest Director (CD) conducts short informational meetings for both course workers and pilots. The course workers include cut judges, fueling supervisor, flaggers, and timers/lap counters.
After the meetings, the course workers occupy their stations around the course and the pilots for the first heat are driven to the start/finish line.
Everyone on the course is required to wear a hard hat for safety. Also, for safety, all course-worker stations are a minimum of 300 feet from the race course.
When the pilots are positioned at the start/finish line, a 60-second timer is started. Pilots have just one minute to start their engines and prepare for takeoff.
Pilots are prepared for takeoff when their aircraft engines are started and they are facing pylon #1 with both hands on the radio transmitter. Pilots not prepared for takeoff before the timer runs out are disqualified for the heat. As soon as all pilots are in position and ready to control their aircraft, the starter gives the signal to launch, and the heat begins.
From the start of a heat until the end, the aircraft run "flat-out." There is no remote-throttle control to vary the engine's speed
During the race, the pilot's partner, the caller, is of critical assistance to the pilot. In addition to launching the aircraft, and because the pilot's attention is so focused on controlling the aircraft, the caller determines when the pilot should commence a turn around a pylon and calls this out to the pilot. Pilot and caller teams typically have long-time associations, and are often family members.
Cut judges are assigned to each pylon in order to insure that the aircraft turn outside the pylons instead of "cutting" inside a pylon during a turn. One "cut" requires an extra lap around the course for a pilot's aircraft; two "cuts" disqualifies the pilot's aircraft from the heat. Cuts are indicated to pilots by the white lights on the signal board. When a pilot or pilot's caller sees a cut light for the assigned lane, they know that the point at which the turn commences must be adjusted.
After each heat, the winning aircraft is weighed to insure that it is not lighter than the AMA's minimum weight requirements.
Winners for the race are determined on the basis of several heats.
After the last race, both pilots and course workers return from the field for awards and prize drawings.
I live in the Pacific Northwest and the rainy season has begun. The pylon-racing season is over for the year--but you can bet I'll be at the next event held in my area.
I hope you enjoyed this article,
Royce Tivel
About the Author
Royce Tivel is learning to fly a radio controlled airplane. He now has the opportunity to combine his interest in digital photography with his new interest in RC aircraft. For an extended version of this article, complete with numerious images showing what an RC pylon race is all about, please visit the Radio Controlled Model Aircraft section at
http://www.selectdigitals.com
What skills are needed for car racing (e.g. NASCAR)?
I'm completely ignorant of this sport, despite having seen pieces on TV. It looks as simple as a bunch of cars going in circles at high speeds.
What skills do the race car drivers possess that even an accomplished driver doesn't?
What technical constraints are there in the race (e.g. amount of fuel, engine size, etc.)?
Is a car driven by a team of drivers, or is this an individual sport?
Is the first car that crosses the finish line the winner, or are points scored during the race and tallied at the end?
As a spectator, what should I observe in order to enjoy the race?
Thanks.
That's a mighty big question! I'll do my best to answer it.
First, I would go to www.nascar.com and read as much as you can. There's info there to answer your question on the scoreing; simply put the first driver to complete the required # of laps ends the race. Then the finishing order in listed by who comes across the line next.
Second, Watch the race on Sunday (2 pm/ET on NBC) and pay attention to the announcers. They TRY to explain things, FOX has a much better broadcast team but NBC is better then nothing 
Third, if you can get to a race to experience it in person, GO! If Nextel is not an option then check out any local series. The bacis fundmentals of racing are then same no matter what your racing.
Third, Racing is a team sport, the driver is the face but there are numberous people behinde the scenes that build and work on the cars. Without them there would be no NASCAR.
As for what to watch, that's a personal question. Some like to watch just the first couple of cars; some like to watch just their favorite driver(s); some just go with the flow. If your watching it on TV you don't have much choice in what to watch, but if you're at the races keep your eye on the big groups of cars. When they try to go 3+ wide there is usually a wreck to follow!
I would just start watching the races on Sunday and you'll be able to start picking up info. There is a list of terms on the NASCAR site (http://www.nascar.com/kyn/nascar_101/) Other then finding a person to sit down and talk to I would read as much as you can online.
Hope this helps!
Weather can't keep Tour of the Gila fans away
BAYARD - Cobre High School students lined the road in front of the school Thursday just before noon as they waited for seven-time Tour de France winner Lance Armstrong, and the other racers to speed by during the Tour of the Gila. The wind whipped them with dirt and dust and pelted them with rocks as they gripped posters and banners, ready to greet the peloton.
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