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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“Dreams” (Ivanov-Kramskoy), tremolo on guitar

In fact, there are two guitar compositions called “Dreams”, which are based on tremolo. One of them belongs to F. Tarrega and more known as “Sueño”, the second to A. Ivanov-Kramskoy more known as “Грёзы” (in Russian the most exact meaning is daydream). It’s about the Dreams of Ivanov-Kramskoy.
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“Feelings” on guitar

The composition Feelings is known since 1975. In the original performance, Morris Albert immediately took the world, and the author went down in history as a “one-hit wonder”. It was re-played (covered) many times, and in general popularity does not fall. I found a good arrangement for guitar, the author does not know me. As a video, I used the photo and video of bicycle season in summer 2017.

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Bach prelude in C major on guitar

Johann Sebastian Bach (1685-1750) composed the first volume of “Well Tempered Clavier” in 1722. I like the version that it was just a tutorial for Bach’s children. Opens the volume prelude in the C major key (number in the “Bach Catalog of Works” BWV 846). This composition fits poorly into the “guitar” tone range, so in “typical” arrangement for the guitar, the key is transposed into D major and the sixth string is retune to Re. I do not like to retune the string, so I long time looked for a good arrangement in the original C major key.

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Ski Ogasaka Triun SL 18/19

Traditionally, we will talk about the top slalom skis from Ogasaka (Japan), 165 cm length. In this year (2018), we got these skis at the same time when beginning of testing in Japan (for which thanks to Iwamoto san). The geometry and design are the same as the models 2017/2018. On the snow skis seemed a little softer, but laboratory measurements showed that within the accuracy of measurements, skis can be considered the same. That is, the main change to the Ogasaka Triun SL 2019 model year in comparison of 2018 one is coloring.

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Ski Ogasaka Triun SL 17/18. Part 4, test on snow

Skis Ogasaka Triun SL 2018th year were cardinally redeveloped in comparison with the previous model year. The skis had a more radical side cutout, they became stiffer, the shape of the deflection also changed. First of all, I was concerned about the rigidity, since the skis of the previous model year were already quite tough, much stiffer than the skis of the “race stock” from other manufacturers. Therefore, even more greater rigidity of the skis of 2018 caused concern about whether it would be possible to bend skis on the Moscow hills, where the speed is less than in mountains. The answer could only be by snow. Snow is not good yet. There was no good hard cover in December 2017, and there was no opportuntity for testing in the slalom course. Nevertheless, the first impressions already exist. Continue reading Ski Ogasaka Triun SL 17/18. Part 4, test on snow

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Ski Ogasaka Triun SL 17/18. Part 3, stiffness and deflection

In this note I will consider the stiffness of the slalom skis Ogasaka Triun SL 17/18. In addition, from the analysis of the shape of the deflection I will try to evaluate the “rails” in the arc of a carved turn. Continue reading Ski Ogasaka Triun SL 17/18. Part 3, stiffness and deflection

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Ski Ogasaka Triun SL 17/18. Part 2, sidecut shape

The catalog indicates that the radius of the side cutout of the Ogasaka Triun SL 17/18 ski, length 165 cm, is 11.0 meters. This is a fairly radical cutout for nowadays slalom skis, the traditional radius is 12.5 + – 0.3 meters. It is also interesting how much the shape of the side cutout corresponds to a circle, that is, how much possible to speak about the radius, and not just the “radicality” of the side cutout. For this purpose I measured the width of the ski in 0.5 cm steps.
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Ski Ogasaka Triun SL 17/18. Part 1, catalog

Information about the Ogasaka ski collection of the next 2018 year began to arrive in March 2017. Ogasaka arranged testing in many ski centers in Japan. There were first reviews in the Japanese and Korean Internet. True, which is rather strange for the Internet era, the information was given in small portions and very carefully. Photos of a large size were sometimes removed after a day, and sometimes the images of skis were blurred over. Previously, I have not seen this 🙂 Just in case I asked Iwamoto san whether it’s worthwhile to spread the detailed information about new skis. Iwamoto san specially asked at the factory, they gave OK 🙂
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