Ski Tuning: Belt Grind vs. Stone Grind
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- Опубликовано: 14 апр 2024
- Gear expert Brady, talks about keeping your Skis and Snowboards properly tuned and the differences between Stone Grinds, Belt Grinds, and a simple Edge & Wax.
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Enjoyed the video. Over the course of a skis life, how many stone grinds can you do? Are there certain skis or manufacturers that you can stone grind more?
Thanks
Not every ski goes in the machine and gets the same amount of passes and with the same amount of pressure applied to the skis - the tech assesses what round 1 will be (airing on less passes to not grind away unnecessary material).
Wider skis warp more and take more passes to be ground to flat, basically narrower skis could take more tunes because each tune requires less passes to get the skis flat. This is honestly what makes tuning snowboards so challenging because they are so wide.
Should also note just because a ski is new doesn’t mean it’s flat out of the wrap. This is why brands can be adamant about skis being tuned before a ski magazine test.
Long story short it depends. Skis are made of wood and we’re bending them, tipping them on edge. The harder it’s skied the faster it can come out of flat.
A ski base is 1.6 - 2 mm thick. Average dressing depth of a stone is .03 - .05 mm. It’s not necessarily taking away .03 mm on each pass.
How does this impact snowboards with 3D shaping like Jones? Additionally, when I find the edges of my base getting fuzzy super shortly after a hot iron wax, is it time for a grind? Seems like its not holding wax as well, but im not sure. Great work Bradio!
The short answer is just do your best by hand on 3D contour bases. Get the flat parts flat and then grind the non flat parts by hand. Jones recommends a rolling technique over the belt and they recommend waxing everything as well. Wax gets drawn out of the base faster when snow is colder or manmade. Wax could be gone in half a day to three days depending. When in doubt wax more you can’t overwax. If things are really fuzzy and slow(aka base burn) then yes you want a grind. Wax can hide it until your next grind, maybe every 8-12 days getting a grind depending on snow quality.
Share this video with people that don't take care of their skis!
Hopefully this video reaches some of those folks
Edges taking the hit for base problems 😢