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How much to detune my skis underfoot

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adamwhit8
Posts: 444 - Karma: 11
So im headin up for the first day this season on new skis tomorrow, how much should i detune underfoot?, ill be hitting some rails so yeah, like i have a sanding sponge and stuff, but how much should i shave the edge down?
Jan 6 2012 6:40PM
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adamwhit8
Posts: 444 - Karma: 11
bumpo
Jan 6 2012 7:01PM
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RudyGarmisch
Posts: 25443 - Karma: 13,844
Personally, I'd take a fine file to them.
Jan 6 2012 7:18PM
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stickerman
Posts: 2043 - Karma: 147
do like 6-10 passes underfoot using a diamond stone, then finish off with a gummy stone.
Jan 6 2012 7:24PM
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adamwhit8
Posts: 444 - Karma: 11
idk i have a sanding sponge but what would the proper amount to detune be ? like how much down?

Jan 6 2012 7:25PM
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stickerman
Posts: 2043 - Karma: 147
sanding sponge wont do it. Dont make the edges completly round, just like i said in my post above, 6-10 passes with a diomond stone should do it. Skis always come overly sharp from the factory anyways and should be properly tuned. But since you are talking about park skis, just de tuning underfoot is fine.
Jan 6 2012 7:26PM
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adamwhit8
Posts: 444 - Karma: 11
idk that popular video of detuning skis on here, the guy used a sanding sponge.
Jan 6 2012 8:50PM
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adamwhit8
Posts: 444 - Karma: 11
please help gotta know by tonight!
Jan 6 2012 9:11PM
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adamwhit8
Posts: 444 - Karma: 11
help help helppppp
Jan 6 2012 11:07PM
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carpypoo
Posts: 46 - Karma: 13
bring the sanding sponge in your pocket, if its too sharp, give it a few passes, and repeat till satisfied,

Jan 6 2012 11:32PM
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james6345789
Posts: 4763 - Karma: 465
just so it doesn't come to a definite angle, just a slight curve. Your edges will round over time too. I spin left side onto rails, with skis I've had for 1.5 seasons, and it's so dull on the left edges.
Jan 6 2012 11:42PM
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SteezoSaurus
Posts: 2630 - Karma: 2,670
Here is my input..

First off, what you have is not a sanding sponge. It is called a gummy stone. It is very effective at removing small burrs/imperfections on the edge itself. It doesn't take off nearly as much material as a file, but in this case that is a good thing.
With the gummy, do 10-15 passes over the entire ski. This will help to minimize the almost guaranteed imperfections that skis have when they come from the factory. Next, start working the furthest contact point on the front/rear of the ski. This will help to minimize the hooky tendencies of some skis.
At this point, you should be set. Hitting rails will detune underfoot pretty fast which means you really shouldn't pay any extra attention to the underfoot section of the plank.
Jan 7 2012 12:06AM
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SteezoSaurus
Posts: 2630 - Karma: 2,670
Oh by the way, do not take the advice of one of the previous posters. A diamond stone is only meant for finish jobs and it will do nothing but make your edges more rough/imperfect if you don't know what your doing.

Stick with the gummy stone.
Jan 7 2012 12:07AM
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