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舊 2008-11-15, 13:01   #1
Mike
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Repost of "Slope8 滑雪技術討論 4 (carving/skidding)"

We have heard a lot about ‘carving turns’ these days. With the ‘straight’ skis of yesterday, carving a turn without much skidding is actually very difficult and only experts could do it. But with the introduction of shaped skis about 12 years ago, carving is made relatively easy. All one has to do is to start down the fall line, weigh both skis equally, and move the hips (CM) across the feet (called ‘cross over’). The skis will carve. If done right, we can see two very distinct thin tracks.

Here is a video clip taken from Warren Smith’s ‘Ski Academy’ showing how to achieve 'PURE" carving turns:

http://www.slope8.com/jn/PureCarve.avi
(The above video clip has a 7 MB file size, so it will take some time to download)

To achieve ‘pure’ carve on relatively steeper terrain, one has to ski ‘fast’, and the radius of the turn is depicted by the side-cut of the skis (by design).

When we make the turning radius smaller by steering (pivoting & edging), there is an element of skidding. The larger the ‘steering angle’ with more steering will result in wider tracks (see photos).

For recreational skiing, we don’t always ski fast. To control speed and on steeper terrain, we need to increase the steering angle. It is perfectly alright to ski with ‘controlled’ skidding.

There is a big difference between ‘skidded turns’ and ‘controlled skidding.’

Skidded turns are turns resulting in the skis sliding back and forth like a wind shield wiper without much elements of carving. Normally it is a result of using shoulders, hips or the whole body to initiate a turn.

If you learn Lessons 1, 2, and 3 well, hopefully you will have less uncontrolled skidding.

Here is a video clip on skiing with ‘large steering angle’:

http://www.slope8.com/jn/LargeSteeringAngle.mpeg

Also, notice the Lines 'A' in those 2 photos that show the 'angulation' of
the body which is necessary for good balance and edge grip.

Difference between "Parallel turns" and "Carving turns":
Parallel turns can be either 'pure' carved turns or turns with steering (pivot and edging) which has some elements of skidding.

Since the introduction of 'shaped' skis, there have been too much emphasis on 'pure' carved turns.

I tried to explain that skiing with larger 'steering angles' is appropriate in slower skiing/steeper slope. Actually, 'controlled' skidding is even necessary in real steep terrain skiing (will be discussed in the future).
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舊 2010-08-24, 10:55   #2
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Bob Barnes's video on "Carving" :

http://vimeo.com/6494951
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舊 2010-09-07, 09:51   #3
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Carve on your edges:

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舊 2010-10-22, 10:24   #4
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Here is an exercise showing how to control body rotation:

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舊 2010-10-24, 17:45   #5
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Another video on carving:


此篇文章於 2013-02-03 05:20 被 Mike 編輯。. 原因: replace link
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舊 2010-10-30, 19:39   #6
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Some exercise to follow:


此篇文章於 2012-08-05 11:38 被 Mike 編輯。. 原因: Replace link
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舊 2011-10-28, 20:39   #7
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舊 2012-05-05, 20:58   #8
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2 essential movements

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舊 2012-06-16, 17:57   #9
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Carving in slow motion:

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舊 2012-06-17, 11:13   #10
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作者: Mike 查看文章
2 essential movements


This instructional video is good
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舊 2012-07-06, 09:32   #11
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2 essential skiing skills -

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舊 2013-02-03, 07:55   #12
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I heard some people opined that if the is any snow flying off the tail of the skis then it is not good carving - any comment/view?
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舊 2013-02-03, 10:33   #13
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Isn't "snow flying off the tail of the skis" the outcome of skidding?
My own view is:
Pure carving (i.e. no skidding at all) seems unattainable, as the snow is not strong enough to resist the full side-force of our body.
A turn is considered a good curve if the skidding is to a lesser degree, your turn is more or less matches the manufactured turn shape of the skis & the turn looks smooth enough.
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舊 2013-02-05, 07:15   #14
Mike
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Isn't "snow flying off the tail of the skis" the outcome of skidding?
My own view is:
Pure carving (i.e. no skidding at all) seems unattainable, as the snow is not strong enough to resist the full side-force of our body.
A turn is considered a good curve if the skidding is to a lesser degree, your turn is more or less matches the manufactured turn shape of the skis & the turn looks smooth enough.
Refer to the Bob Barnes (PSIA) video posted in posting #2 and the following Harald Harb video on Carving, or the Interski skiers in http://www.hkssa.net/showthread.php?t=57962
Can anyone say the skiers in the videos cannot carve, I see snow spray.


"Carving" seems to be one of those terms that everybody have they own definition. IMO -

Pure arc-to-arc carving, where your skis are leaving razor-thin lines in the snow requires some well-refined skills (when it's done "correctly"). It is impractical without some very well-refined skills. Arc-to-arc carving on steep slopes, narrow slopes, bumpy slopes, in glades, is a good way to test your technique.

Carving, where your tails are more-or-less following the tips, but there's some controlled sliding going on requires some skills in that you need to be patient and let the turn develop
It is very practical, as it lets your skis slice through snow piles, and gives you very good control over your line.

Also, whether they are snow spray depends on the slope condition, will be difficult to avoid snow spray if there is fresh snow on the surface.

此篇文章於 2013-02-05 07:39 被 Mike 編輯。. 原因: typo
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舊 2013-08-08, 17:40   #15
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Some great articles about Angulations, Weight Distribution & Ski Bending by Paul Lorenz

Knee or Hip Angulation:
http://www.paullorenzclinics.com/#!h...gulation/c1ioj

Inclination or Angulation:
http://www.paullorenzclinics.com/#!inclination-or-angulation/cu0z

Inside or Outside Ski:
http://www.paullorenzclinics.com/#!i...side-ski/c1kau

Ski Bending:
http://www.paullorenzclinics.com/#!ski-bending/c6l1

Enjoy =)
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