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metal scraper (kuzmin)
After exercising last year with my kuzmin scraper (with much success) on used skis I decided to order a new pair of skis with "raw" base. No factory stone grind. Having a ski manufacturer at hand (Vandel) is great for testing. (I had previously been able to get a pair from them w/o groove, but that's another (interesting) story.) So, the base was quite hairy, and also quite thicker. The work to get it flat and clean was a 2 times one hour work, with skiing in between to best reveal non perfect (grey) areas The result is excellent in terms of visual aspect and glide. IMHO, best result is obtained by waxing *once*, to get the "shine". As far as I understood the reality of waxing, there's a bit of wax dilution in the base. At least it's visually better. I know that the visual aspect do says much on the glide ability, but I'm not skiing at WC level anyway. As previously the base doesn't show any greyish areas even after 100 km skiing w/o re-ironing. The base is still thicker base than out-of-factory stone-grind base. So there is plenty of material left for future flattening. A raw base may present longitudinal "waves" and I rapidly understood that handling the scrapper at a perfect 90° angle to the scrapping direction will in fact increase those waves. So I had to handle the scrapper at a certain angle, without slipping sideways which would have resulted in "cutting" profoundly the base. That was tricky job for a computer scientist like me. So Mr Kuzmin, please provide a tool to mount the scrapper in with a certain angle to prevent creating waves in the base. Another information read on IMS/Gurit documentation and confirmed by Vandel is that a base has no "direction". Press sintered base are obtained by pressing and melting a "wheel" of material + additives and then rolled and cut at the desired thickness. So, You can (and certainly should) scrape, brush in both directions to best removes hairs. Still finishing tip to tail because the pressure on the base do creates a "direction". You can feel it when scrapping the reverse way. At first it's harder and after a while it's like it was the other way. Laurent |
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#2
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metal scraper (kuzmin)
I know that the visual aspect do says much on the glide ability, but
woops.. I know that the visual aspect DON'T say much on the glide ability |
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