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De-tuning tips & tails?

post #1 of 11
Thread Starter 
I recently had my skis properly serviced with bases done, basically the works. However I did notice that the tips and tails had not been de-tuned despite the fact they had always been done by the same shop in the past when the skis were edged.
Is it still the done thing to de-tune tips and tails or are they ok left alone?
If they need doing is it 6 inches or so tip and tail and just take the edge off with a small diamond file (which I have)?
FYI the skis are Rossi B2.
Many thanks.
post #2 of 11
Try first skiing with no detune - you may like it... It is personal preferences.


post #3 of 11
Most of us do not detune.

I haven't detuned my skis or skis I tune this decade.
post #4 of 11
I used to keep a stone in my jacket pocket a long time ago for such occasions. I haven't missed it at all.
post #5 of 11
Once you realize how much quicker, edge to edge they are you won't go back.

Be careful on the first run until you get use to them. They may feel a little less forgiving, but it's a small trade off for the quick edge engagement.
post #6 of 11
In my opinion, "de-tuning" was never a good idea. Even on my old 204's and 210's, I did not detune the tip or tail (other than the edges of the curved up shovel). What I did back then was flatten the bases and sharpen the edges tip to tail, then slightly bevel the tip and tail base edges by holding a 10" file at the ends, causing it to bow a little little, and taking a few strokes on both ends.

Today, I use bevel guides to make it accurate and consistent, and bevel the entire base edge slightly. I use less bevel than many skiers--1/2 degree. If you find this too "grabby" or grippy, go to 1 degree or more.

But never detune!

Best regards,
post #7 of 11
If you want a zillion opinions on this, a zillion minus 10 of them being "DON'T DETUNE," try searching the forums. You'll get _plenty_ of hits.
post #8 of 11
I detune. It just allows me the option of making many different turn shapes in varying terrain. Not detuning, for me, makes the skis feel like roller-blades on snow!
To each his own...
post #9 of 11
Thread Starter 
Thanks for the response all, I'll give them a whirl as they are and see how I go on.
post #10 of 11
I never detune my own skis, or most I tune for others. The exception to this is for my 80 yo mother-in-law, I detune her tips and tails a little, and a brother-in-law who is a good skier, but more of a tail-pusher old style skier.

I'm pretty sure detuning for her is a good idea, not sure if it's a good idea for him. My thinking is detuning is not called for for modern technique at all.
post #11 of 11
From our tuning blog:
De-tuning is the dulling of the sharpened edge to reduce the bite of the edge and ease the transition of the edges at the tips and tails with a diamond, aluminum oxide, ceramic or natural stone. Traditionally this was the typical method to finish a ski edge after sharpening and polishing. With modern skis, this is now considered unnecessary by many, as it is desirable to use the whole edge for carving turns. Adjustments of base and edge bevel geometry at the tips and tails can be used instead to control the transitions from base to edge and back, especially for carving skis to maximize the performance built into the skis.

De-tuning still may be necessary or desired if the tips and tails catch or to make initiating and ending turns easier, especially for novices, extreme or off-piste skiing, park tricks or snowboarding.

If you wish to de-tune, start from tip to contact point (where the shovel first contacts the snow surface), initially, and increase the length only after skiing or boarding to test. It is far easier and fast to de-tune than sharpen and a little will go a long way. This can be done very easily and quickly, a little at a time between or even in the middle of a run as you feel the skis or snowboard and can make minute adjustments relative to current feedback, until you are satisfied. This extent can then be applied in the shop the next time you sharpen, after you ‘know’ what you need.
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