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Need help with detuning

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danw2
Posts: 39 - Karma: 11
i searched and searched and could'nt find a thread that answered my specific questions.
i have a pair of k2 extremes and want to start hitting boxes and rails. i want to detune/file my edges down so they don't get caught and so they are less likely to crack or chip. but what i wasn't sure of is where to detune them. i figured right under the bindings but do i file the edges around the front and back tips to i don't catch an edge when i land switch or just not perfectly straight? or do i go down the whole length of the ski when i detune? thanks in advance
Jan 15 2010 9:04PM
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skifanski
Posts: 34 - Karma: 15
just go grind about 4 boxes and your skis will be detuned man ...tips and tails should always be detuned
Jan 15 2010 9:12PM
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danw2
Posts: 39 - Karma: 11
ya im pretty new to all this. i played hockey for a long time so i picked up skiing pretty fast. but now all i ever think about it grinding everything. so i need advice on properly detuning. so should a detune both tips, and just under the bindings?
Jan 15 2010 9:16PM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
Get yo self a gummy stone.... detune tip and tail.... then just lightly underfoot and you should be grand.
Jan 15 2010 9:23PM
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danw2
Posts: 39 - Karma: 11
thanks a lot guys for the quick response. is there any chance someone has a picture of how the edges should look after detuning?
Jan 15 2010 9:50PM
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danw2
Posts: 39 - Karma: 11
one more question. sorry if i sound stupid i just want everything to be right. how much (length wise) do i detune at the tips? and where at the tips do i detune?
Jan 15 2010 9:57PM
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Big_Spence
Posts: 16177 - Karma: 4,352
use a gummy stone (http://www.backcountry.com/outdoorgear/Swix-Gummy-Stone/SWI0115M.html?CMP_ID=SH_FRO001&CMP_SKU=SWI0115&mv_pc=r126) and detune JUST UNDERFOOT.
don't waste your time doing your tip and tail.

as far as how much underfoot you tune down, i always do the length of my binding plus about a half inch on both sides.
Jan 15 2010 10:05PM
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Brock.
Posts: 5698 - Karma: 1,332
truth. it takes way to much effort to do the whole ski.

i actually find that gummy stones are too soft for detuning so i just use a metal file, then gummy after.
Jan 15 2010 10:08PM
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Big_Spence
Posts: 16177 - Karma: 4,352
files will work too, probably faster as well.
BUT if you decide to file down you edges chances are you will never be able to get them back, even with a professional tune and sharpening.
Jan 15 2010 10:11PM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
Just gummy like the top and tail 10-15cms and you cant see on a picture the difference

just use the back of your fingers to check how much edge you have.
Jan 15 2010 10:42PM
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Brock.
Posts: 5698 - Karma: 1,332
why would you detune the tips and tails of your skis...

Jan 15 2010 11:05PM
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Big_Spence
Posts: 16177 - Karma: 4,352
x2
Jan 15 2010 11:07PM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
The very tip and tail.... It stops you from catching an edge when you carve....

Im sure inbetween features you turn?

I guess you only have to do this if you tune skis yourself....
Jan 15 2010 11:13PM
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Brock.
Posts: 5698 - Karma: 1,332
well the first reason i though of to detune your tips and tails would be so you dont slice your arteries trying to grab blunt. Its almost happened to me..
Jan 15 2010 11:15PM
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FerrisBueller
Posts: 8280 - Karma: 5,173
5cm ahead of the binding, underneath the binding, 5cm behind the binding. no need for tips and tails, cause i assume you wont be pullin 450 or anything.
Jan 15 2010 11:16PM
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danw2
Posts: 39 - Karma: 11
because these edges seem really sharp and when skiing switch or turning around for that fact, i catch the edges on the tips of my skis. so i don't want that to be happening to me and for when i get off a rail not perfectly straight i don't want to catch those edges. i thought that's a common thing done? (to detune the tip and tail of the skis)
Jan 15 2010 11:17PM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
It is by all tuners and factorys.
Jan 15 2010 11:21PM
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FerrisBueller
Posts: 8280 - Karma: 5,173
this kid needs to learn how to ski.
Jan 15 2010 11:31PM
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danw2
Posts: 39 - Karma: 11
skiing is pretty easy. its just rails and tuning my ski properly that i don't get too much yet. don't flatter yourself thinking skiing is so hard cuz its not.
Jan 15 2010 11:33PM
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Ben.
Posts: 21463 - Karma: 683
holy fuck no. you detune UNDER your foot. leave the rest the way it is....
Jan 16 2010 12:34AM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
Hmm.... word of a qualified technician.... or you?


And by tip and taill literally only 10-15cms from the tip and taill... it stops catching the edge.... FACt

Jan 16 2010 12:35AM
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Big_Spence
Posts: 16177 - Karma: 4,352
haha oh my god.
how did i not see that other guys post?

anyone who detunes anything besides their underfoot plus MAYBE an inch in front/behind is a complete idiot. and you say you're catching edges on groomers? then you should consider taking some skiing lessons.
Jan 16 2010 12:36AM
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Ben.
Posts: 21463 - Karma: 683
word of someone who skis. ive NEVER done that to a single ski, and never had edge catching problems. i detune underfoot so i dont die on rails, other than that, just leave em.
Jan 16 2010 12:37AM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
That because skis come out the factory already detuned tip and tail

and when you send your skis to get serviced the technician will detune tip and tail...

as said in a previous post this probably only applies IF YOU TUNE YOUR OWN SKIS.

so stop being such a lil smart ass.
Jan 16 2010 12:39AM
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Big_Spence
Posts: 16177 - Karma: 4,352
I do tune my own skis.
and I've never done that.
Jan 16 2010 12:42AM
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Ben.
Posts: 21463 - Karma: 683
jesus your a prick. why dont you wave around your "im a shop technician" bullshit a little more. i mean lets think about this a second, if hes asking how to detune, do you really think hes tuned his skis personally? no. he asked about rails, i told him what to do on rails, rather than you whose gonna have him beating the edge of his whole ski to shit because your giving him info he doesnt need.
Jan 16 2010 12:43AM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
Ok.. Well just so you know, you are supposed to.


Jan 16 2010 12:44AM
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Ben.
Posts: 21463 - Karma: 683
dude stfu this guy is a TRAINED TECHNICIAN.


clear the way
Jan 16 2010 12:45AM
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Big_Spence
Posts: 16177 - Karma: 4,352
OK..Well just so you know, I never will.
Because I've been doing it myself for many years and have never had a problem.
Jan 16 2010 12:46AM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
Lulz... I love park rats...
Jan 16 2010 12:46AM
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Ben.
Posts: 21463 - Karma: 683
lulz, i love assholes who make assumptions without having a fucking clue what they are talking about.
Jan 16 2010 12:47AM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
.................
Jan 16 2010 12:48AM
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Big_Spence
Posts: 16177 - Karma: 4,352
i hate stuck up tgr pricks who sign up for ns and think they're better than everyone just because they're 25+ years older.
that doesn't make you better dumbass, that makes you slower.
Jan 16 2010 12:52AM
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-ShredTheGnar-
Posts: 2038 - Karma: 111
I'm actually not a TGR prick I use it occasionally for hook ups to ride. I just found it amusing that just because some guy doesn't do it he thinks it's wrong. Then gets butt hurt about it.
Jan 16 2010 12:57AM
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danw2
Posts: 39 - Karma: 11
ok so back to the thread. so how many of you think its good or ok, and how many of you think its bad to touch the tip and tail of the skis and think i should just detune underfoot?
Jan 16 2010 7:14AM
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Ben.
Posts: 21463 - Karma: 683
just underfoot.
Jan 17 2010 1:46AM
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Mitch-DownUnder
Posts: 194 - Karma: 24

SAME!! my hockey helped to pick skiing up so much!!! haha

Jan 17 2010 2:45AM
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Newschool_Pope
Posts: 2473 - Karma: 267
i would just detune underfoot. you want to have a decent carve when on the take off. and if you want to ski rails then you should detune under foot, or else the edges rip/crack/tear out easier, and the edges dig into the rail easier. if you just do butters and presses, then detune the tip and tail, but i wouldnt recommend it.
Jan 17 2010 8:27AM
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I_Am_Mod
Posts: 13214 - Karma: 3,753
the truth (for as far as i know):

Detune the very tip and tail; this is done for ALL skis !
it stops the very edges from catching in the snow and it allows proper carving ....

then for park skis; detune underfoot; the more detuned the edge is the less likely you'll catch and edge or break/blow out an edge...

if you're really into rails, you can detune them dramatically (my urban skis have round edges, i did this with an angle grinder...)

normally you'll want to detune them quite hard for railing; i suggest you use something like a file or the oldest tool ever, given to us by god himself! A ROCK !

just scrape the rock over the edge until it's quite dull...

gummystones are litterally for detuning; taking the very sharp brims off after tuning the ski. this is usually not enough for railing...

Normally seen the edges will dull out automatically but if you want to speed up the proces or play safe with your new skis; do it in advance...

round edges are 9/10 times permanent, so before you make your ski into a railslayer, think about it and be sure about it, its irreversible but will be better for you and the ski (if you slide alot of rails)
Jan 17 2010 9:06AM
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