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The biomechanics of sport is not a science in itself, but a collection of various sciences. In case of skating, natural science, engineering, biological, medical and sports training set a scope for measuring central and biomechanical analysis of skating.

The exact sciences are applied to measure and calculate the speed of pushing a skater, the amount of friction between the wheels and the track or path and the amount of thrust skated in each cycle, to improve its performance, develop training techniques and design accessories, materials and equipment for high performance.

working in mechanical engineering in the construction of skate clothing and models for better performance and protection of the athlete.
In applied sciences with an understanding of the structure and functional description of the human body and posture.

On medical science to analyze the possible causes of sports injuries and establish mechanisms for its prevention. Most lesions have a mechanical cause.

electronic engineering assistance in the construction of time measuring instruments and apparatus for sports training speed, strength and power.

As the science of training, the improvement in both the physical and technique. So research as save energy consumption, how to maximize effectiveness and functionality of the forces employed, such as avoiding unnecessary muscle tension, and if possible reduce the friction between the wheels and application of forces in the direction and timing. Study the structure of the movement in their phases, push, glide and recovery or parts into which the speed, pace, precision, fluidity, strength and time.

These aspects will help us to develop a preliminary theoretical model that will be the foundation for identifying faults.
This type of analysis will help the coach-monitor to determine the quality of execution, defining the movement more accurately detect and correct errors and adapt the methodological process of teaching and learning at the level of each student. More information

BIOMECHANICS AND SKATER

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The summer vacation of my youth


Written by Alenka

In my youth, school, normally as everyone in my place Holidays not spent the summers in the costs of mar.Nos stayed on our sites.

Boys of Ljubljana, when classes ended in June, we met every day on the banks of rivers: Ljubljana, Sava, and even Sora, barium depending where we live. We

south of Ljubljana, we used to meet us each evening on the shore of Ljubljana, Spica, in a public banjo, (junction Ljubljuanica and Grubarjev kanal).

were jumping off a bridge, made of wood, water, and we played with buseabamos pelota.A times when there was a strong current, Terry maron color, made by a storm, it was very difficult to swim in the river and cross without the current carry you along. Anyos

later, when it grew a bit and we each had its own bike, we were going to swim Sora.El Sava and Sava river was very clean with stones blancquisimas.Pero Sava water was very cold. Swimming in Sava, in some places was very dangerous, as they always were forming a trailing vortices which people below the water surface and there were many people who lost their lives way too fast approaching them.

For me, the most interesting trips were when we went to Banyan to Sora.Su water was always hot and slow and paysaje around the river was green: forests and meadows filled with Sora flores.A we were usually on Sundays, all familia.Salimos already Manyana house and stayed all day and taking the sol.La banyan Marenda, the mother usually prepares consigo.Mi trajiamos corn cake, filled in the water mirtilo.El cerizas or not we had, we drank water river that was very limpia.No knew nothing about the pollution of rivers, and that did not exist. Nearly sixty

Anyos since then the world changed a lot. Were polluted rivers, air and land. Slovenia

We are lucky that our tap water still runs the water and when I take a stroll through the nearby forest, drink water from sources that there are very many around Logatec.

The river Sava in the north of Ljubljana, today. Without its white pebble beaches

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BIOMECHANICS SPORTS SKATING LEGENDS AND ISSUES

unfounded There are several legends on the bearings.
concern is very common to have a higher abec to roll faster. The truth is that the larger the number of abec bearings have less friction, resulting in speed, smoothness and continuity, but these benefits never get to enjoy in a meaningful way unless rodemos at speeds of 180 km hour or more.
In contrast the high abec are more fragile and require more maintenance. Are much more precise and rigorous, less tolerant of mistakes and workmanship are used much more fragile materials.
For freestyle is important that the bearings are shock resistant and tolerant of punishment so that a ABEC 3 and we are well served and will last us a lot more.
For slalom, downhill, speed and we can do well like a bearing softer and often, as a abec 5 or 7.
A abec 9 or 11 only use the speed in competition. Its duration is shorter and committed.
The fact that sometimes we can find in high ABECS series skates is just a matter of making them attractive to the buyer candid.

Depending on the type of contact that exists between the parts, the bearing can be sliding or linear and rotary. The rotatable element can be used in bearing manufacturing, they can be balls, rollers or needles.
rotary motion bearings, in the sense of effort that supports, there are axial, radial and axial-radial. The manufacture of ball bearings is that technology occupies a special place, given the procedures for obtaining the perfect roundness of the ball. The largest manufacturer of bearings used such a vacuum for this purpose. The material is treated abrasive absolute vacuum chambers. The Swedish steel manufacturer of high-friction parts in machines, have managed to bring technology into outer space for the final treatment of the ball, avoiding the gravity effect, to achieve the desired sphericity.

bearings or ball bearings are called shooting in some English-speaking countries. More on bearings
:
SKATES BEARINGS CLEAN BEARINGS

Tiffany Round Letter Pendant

ski center near London

Krvavec The ski resort is just minutes from Ljubljana airport and no flights Flights from London to Ljubljana and so the distance is only two hours from London.

ta pequenyo Pictured is our friend car that served us without any problem, ten Anyos and trajio us the last time to the ski resort. I'm going to buy a new car, this time the hybrid.

You can also see the same picture, below the montanya smog.

My mujerAlenka is recovering slowly

I'm headless. The photo I have taken my wife and me that had gone well and needed only part

The Pareja que Tiene 145 anyos de edad (Amboseli). No se les a las mujeres Question no por su edad.

y su hermano Alenka con su esposa tomandos el sol. Solo faltaba yo.

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Električno

The figure below is an example of processed tire, designed for shorter distances, so the lightest possible battery just 1.44 kg range is about 12 km, but the charging time two and a half hours.

Electric two-wheel vehicles are not only ecologically and economically, but a remarkable tool for people who have any disorder or difficulty in moving or walking. In particular, elderly people shortly after the problems renounce the use of bicycles mainly due to problems of overcoming the hump when your feet do not "stand up" more, or it may happen that a sudden fatigue or respiratory problems. If you have any type of bicycle, it can be processed with little skill in the electric bicycle and this will help you make such a contribution. With such processing will still use the wheel, you're accustomed to.

In this paper, which will change in Slovenian I will describe how to modify a simple bike to electricity. Maybe for some pretty basic school, but it is my intention to could anyone with a little manual dexterity, this recovery may take alone.

Ingredients:

1.Brezkrtačni engine suitable for installation in front wheel

Brushless or BLDC motor has a permanent magnet rotor, stator, the electronically controlled magnetic field. Because they have no commutators are stronger and have better efficiency, but require more sophisticated electronic control equipment controllers.

Motor (recommended without Hall sensors "Hallsenzorless") We get to know him, has only three wires for power supply yellow, green and blue. Engines with hallsenzorjem have five thin Zick for sensors that are in the engine.

2.Kontroler, it's electronics, which converts DC battery power into three phase motor.

controller that we used has only 8 wires

Three (thicker), yellow, green, blue, which bind via a connector on the engine.

Three thinner going gas nozzle is a black red and green again through the connector (in my case because of the simplicity of using only one 9-pin connector).

Two thick: red and black on the plus to minus batteries.

If your controller will have more wires, the other is easily removed, because we need to act above mentioned. The controller must be "Hallsenzorless), whereas the engine of this kind.

3.Ročica to control speed.

handle gas has three wires black, red and blue, related via the connector on the controller (black on black, red to red and blue to green

4.Baterijo to the Lithium Iron (LiFePo4) or at least the lithium ion. Lead is not recommended because of the weight , environmental risks and the particular half of the smaller facilities than any Lithium.

The picture of different types of batteries. We are using LiFePo4 24 V 9 Ah in "litlle Frog" housing, sufficient for approximately 22 km of driving without pedaliranja.

Unfortunately, all this still does not get to us. Maybe sometimes the fleas. Batteries We have already seen In some shops, but are quite expensive. Is it that today, thanks Intrenetu, all purchased in China. We recommend PayPal payment

That we have very good experience because there is ordered to Slovenia in a few weeks by express mail n.pr DHL. Fare is quite high for a single set (approximately 70% of the price of goods). The most economical is to buy about 6 sets (in this case the price transport approximately 30% of the price of goods) should be counted in the duty, which is about 5% and 20% VAT, which is calculated on complete price (supply, transport and customs) Approximate price, everything included, were in this case for 6 kits (group purchasing)

Motor € 100 handle gas € 6 € 20 Battery Controller "Little Frog" LiFePO4 charger with integrated 24 V 9 Ah 216 Wh for approximately 21.5 kilometers € 170

cheaper alternative version of the Li ion battery battery in the "Little Frog" housing, included charger,

24 V 5 Ah 120 Wh for approximately 12 kilometers € 130 This version is suitable for those who use the bicycle for short distances.

cables to connect and connectors are available locally, as well as dual-layer ring (recommended) and spokes. Engine installation in the ring is possible in any bike station where you can buy a ring and napere.To will cost you about: dual-layer ring spokes 36 € 16 € 11 pieces and the work is incorporated into the service from 15 to 30 € Konektor9 full n.pr . Molex male and female, € 4 or any other, possibly two, three full, one of which must be one of at least 15 A

So much for the introduction. Let's see how you can assemble electric bike from purchased components:

Battery "litlle Frog" has two parts. Battery, as such, which can always remove n.pr filling or exchanged for backup if you have two.

cap is mounted beneath the seat or the wheel, where we sit very low in the rear trunk.

At the base is the appropriate place for the installation of the controller.

When inserted into the base controller tie the black wire to the minus battery red to red and two are already up in the foot by failing to go past a red switch, which is associated with the key for contact, etc. As with the car.

At this stage it is advisable to base the battery attached to the pipe under the seat, wheels, whereas screws available.

If we are all properly tied, followed by test it. Motor must rotate in the right direction if rotated in the opposite direction only replace two wire for power transmission to the engine, this may happen in some controllers I recommend this test it before finally inserting contacts into the plastic of the connector to be sure that the engine spinning in the right direction.

It remains only to change a front wheel that is fitted with an engine mounted lever for the gas to the rudder, the battery is inserted at the base, both cable routed to the controller, with a key switch on the battery and move with the help of electricity.

links above description was only one možnih.Za reliable service is important as fewer connectors as most errors due to poor contact. In our case, we used only two. One to connect the controller to the controls and the other, which is an integral part of the engine, you can easily replace the tire.

any questions in nasvete sem na na voljo Enaslovu: mkanduse@gmail.com

Adjust A Snowmobile Suspension

BEARINGS ARE FREE. Skike, ROLLER SKATING ROAD

Do you find missing nature when you skate? Skike is the solution. Explore formerly forbidden territories. Patina packed dirt trails of hitherto exclusive bikes. Created by Otto

Edder, skike is a lightweight aluminum skid and almost indestructible. Does not require special footwear. Air wheels can roll 150 mm in soils or smooth firm and also has a protective effect of the joint. One of the essential features of the skid brakes are highly effective and almost no wear. It is important to familiarize themselves with the braking, increasing the speed gradually.

FEATURES:
• Wheel diameter: 15 cm.
• Ball bearing: APEC 5.
• Weight: 1.95 kg per runner.
• Adaptable to different shoe sizes: from a children's shoe sizes from 8 years to the maximum length of shoe sole 333 mm. • Dimension Skate
variable using front wheel scrolling.
• patented braking system on both skates.

The skike can be used in different activities. Nordic physical training in the woods, hiking on trails or roads, or road racing on highways, streets or roads.
I have not personally experienced. I guess the technique will be similar to skating on wet ... "Skating in the Rain"

More information http://www.nextlevel.es/ and http://www.skike.com/ .