Bicycle chain and liquid paraffin

The bicycle chain is part of the transmission, located in the open air. Therefore, on the one hand, the bicycle chain must be maintained in a lubricated state, and on the other hand, dirt adheres to the oil, turning it into an abrasive. It is best to solve the problem by placing the chain in a container that is protected from dirt. I saw this decision at Kickstarter, but it could not collect the funds for starting production. Therefore, we have to look for a compromise, as the producers of lubricants for the chain write about. That is, an oil is created, which is where it needs lubricates, while where is no need not attract dirt. I can not say that I tried many greasings, but those who came across still pretty messed up the chain. In the note I want to share usage of two liquids. The oil lubricates, and the paraffin film protects against dirt.
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AliExpress for alpine ski. Gloves for slalom course

It is difficult to say exactly why, but when carrying out slalom training gloves “burn”. Whether it’s form drill when drilling a snow, or a key for slalom poles, or simply when setting up a pole. Gloves are strong, leather. First there is a little “rubbed”, which can be sewn. Although this is already unpleasant, the glove looks still like new. And then it’s useless to sew it up. Then you can wrap your fingers with reinforced tape. This season I even saw such wrapped fingers on a World Cup participants 🙂

With the use of AliExpress it seems that there is an opportunity to solve the problem drastically. Because gloves can be bought for such a price that they could be replaced immediately.
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AliExpress for alpine ski. Diamond files

I took the idea to buy small things for alpine skiing from AliExpress from Sergey Kuznetsov. In January 2018, he ordered there a diamond files for the sharpening the edges and shared link on ski forum. I, as thought, have such files, still quite working and did not planned updating. But the price on the link was so attarctive that start to think. And not not only about diamond files. In the note I share Sergey Kuznetsov’s experience.
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AliExpress for alpine ski. Side edge file guide

In the note I will share the experience with the order from AliExpress side edge file guide for angle 86 degrees. Why I bought, how much it cost, how long delivered, what has come.
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How to increase edge angles in ski turn

Just after changing edges you can “hang” in the phase of almost flat skiing. Or you can go to a natural angles, determined by the speed of the skis and the steepness of the turn. Or you can set a “non-equilibrium” angles, that is, to edge the skis even more 🙂

I will discuss about this “nonequilibrium” option. It seems that everything depends on the initial angle, looks like following increase of angles in a arc is added to the initial angle. In addition, according to my observations, only by such “nonequilibrium” edging you can achieve the working angles >60 degrees in the middle of the arc.

I found out something in this (2018) season, so I want to write down, so as not to lose it. But grabbed a little, ready “recipe for cooking a magic pill” no 🙂
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Slalom, work on technique in the season 2018. Trajectory

In a free descent, the trajectory for me is not particularly important. But of course, I try to go as steep as possible. That is, carve round turns, but with the minimum possible radius. This is if the task is to raise the level of technique, but not just to fun 🙂

In general, one can proceed from the fact that everyone has his own arc of the minimum radius, which he can carve, determined by skis, the slope of the hill, the rigidity of the coating and the technique. If you try to carve steeper turn, then the skis will go into a skid.

In the note, I discuss the experience of the past (2018) season in transferring a section of such a clean arc into the slalom course.
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Shorten the second half of ski turn

The second half of the arc (starting from the position of “ski-go-down” and ending with “ski-go-across”) does not cause difficulties. The resultant forces well presses the skis to the slope, so everything happens under complete control. From the position of “ski-down,” you can exit in two ways: cut a round turn or put the skis across the movement and go out by slip on the edges. Interestingly of course round turn, lateral slippage is a “spare parachute”, if something goes wrong. However, the round turn can be flat or steep. And it’s not so much because of technique, but because of “hovering” in the “ski-down” position.

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How to use centrifugal force in initial stage of ski turn

Some believe that there is no centrifugal force in Nature. I will not argue with this, but I will denote that by centrifugal force I mean what is pressed against the outer wall in the carousel. That is, to feel the centrifugal force you need to be yourself in a turn but not watch it from the side. In turns on skis there is a mix of two extreme cases. One extreme – a sidelong descent across the slope, then a sharp redirection of movement (for example, jumping with a turn) and again an oblique descent. Looks like zigzags along a broken line. In this case, there is no movement along the circumference and, accordingly, there is no centrifugal force. The opposite extreme case is round turns, there is a centrifugal force. In a real ride, no matter how you want to always cut round turns, there is also a braking and straight sections. Therefore, the centrifugal force can suddenly disappear and appear. In the note, I will give observations on how to use centrifugal force to quickly load an external ski when entering the turn.
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Ski tunning, know how

Ski tunning, that is, the sharpening of the edges and the waxing of the sliding surface, is described in the Net quite well, perhaps even too well. A lot of stages. Perhaps, too much. Sometimes there is an impression that it is better to entrust this to a specialist. Or as it quite difficult, sharpen and wax the skis not often, a couple of times a season. My approach to the topic is not constant, so I’ll write how I act this (2018) season. Just say that it is not exactly correspond to how it usually done, so do not think my approach is the only right 🙂
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Recuerdos de la Alhambra (Memories of the Alhambra) on guitar

The history of the guitar has so far left only two significant works, which are based on the stroke of tremolo. This is “Memoirs of the Alhambra” (1896) by Francisco Tarrega (more known as RDLA or Recuerdos de la Alhambra) and “The Last tremolo” (1944) by Augustine Barrios. “The memoris of the Alhambra” I heard about 40 years ago, and was immediately shocked, because in addition to beautiful music, it was not clear how this can be done. Barrios for some reason came to Europe and to us only closer to the end of the 20th century, and his “Last tremolo” is not so known. Of course, there are other successful compositions on tremolo, but “Memoirs of the Alhambra” is perhaps the most famous.
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