Pro Skiers Will Really Like This

Of all the winter sports skiing is one that I really like to watch but dread to try out. Call it the fear of falling or making a fool of myself, but I’d hate to be that pile on the snow that everyone is laughing at. Pros on the other hand need everything to make their tryst with the slopes as exhilarating as possible. Charlie Pyott has designed a mean pair of skis that is specifically meant for racers. The Twin Parabolic Ski, as it is called, is exciting enough to warrant production.

Charlie has explained his idea with a lot of passion and flair:

“The ski concept was purpose built for racing. Skis and snowboards share a lot of properties with boat hull design; in that longer and thinner proportions give more speed on hard-pack snow. The number of edges also helps maintain downhill speed in a turn. This can be seen when comparing standard skis vs a snowboard when turning at high speeds. The snowboard only has a single edge to turn on and therefore has fewer grips on the hill in a turn then a skier who can use two edges. This means that a snowboarder will have to check their speed to stay on a racecourse before a skier. The concept ski takes both of these ideas a step further, giving two longer and thinner surfaces under each foot and four turning edges. Offset bearings mean that all ski surfaces stay parallel under each foot.”

Designer: Charles Pyott

40 Comments

  • ann says:

    I find it hard to beleive that a simple and innovative idea like this has taken so long to emerge. Amazing!

    • Nick says:

      I think this is an interesting concept, however, as a skiier and boarder that has tried an extensive range of skis and boards i’m not sure if you’ve grabbed the right end of the stick.

      Having a shorter edge means greater pressure along the edge and therefore more likely to “dig in” on icy conditions. 90% of the weight should be on the downhill ski and 10% on the uphill to catch you if you loose grip (obviously boarders don’t have this safety net so need to speed check if they’re likely to loose grip).

      In the design above, if you spread the pressure over the 2 edges of the downhill ski you will have less pressure along each edge and will therefore “dig in” less and be more likely to slide out. If you’ve ever tried using ski blades (the very short ski’s that were big a few years ago) you will see that having a very short edge means you can do some incredibly tight turns on virtually ice. The problem with short ski’s though is that they are slower and more unstable at high speeds. It’s all a balance!

  • jason says:

    this concept is brilliant. I work at a ski race specialist shop in the UK and my initial thought was this would be great for some of the adaptive skiers (disabled skiers) as many use a mono ski and sit system. i have a few questions………does your design have a fixed turning radius or would the side cut change proportional to the pressure exerted on the ski (similar to the new atomic vario cut)…….are the ski parts detachable for sharpening edges?……..you say its designed for racers? are you aware of the FIS regulations that govern the sport?

  • eno says:

    Great idea, for handicap skiing purposes.
    And here comes the big but…
    any pro skier would never use it, and this has hne simple reason, if u have two edges there is a point when skiing(carving) where your angle to the slope passes the point that both edges reach the snow.

    if u have to compensate for this the device will have to be a lot higher, and this gives a high risk of injury. this is also why noone uses “powerplates” any more on their carving skies.
    an other problem is the length of the ski. if u are doing downhill u need a ski of roughly 200cm with a turn radius of about 30 meters give or take a few depending on brand and technique.
    that means that the middle of either ski(in this device) will be very thin and thus pose a threat to the stability. by this i mean mainly the torsion (stiffness in rotation about its own axis) a racing ski needs a weri stiff body so low torsion otherwise is slides away from the skier since the g-force when going 120 km/h is quite substancial. and ofcourse the ski is more likely to break when it is thinner.

    But the potential for handicapped skiers is enormous. i could see this being the new handicap monoski. it would also make skiing more beginnerfriendly to handicapped poeple since they dont have the oportunity to do a plow turn before parallel.

    but all in all THUMBS UP from me!

  • Jon Peterson says:

    Ignoring the fact that a skier’s load distribution is completely ruined by this, it still won’t make it into the rack of a serious racer, or likely even a hobbyist. Skis need to do far more than dig their edges into snow; they also need to bow and flex to maintain a constant carve in snow surfaces as variable as can be imagined.

    The very mechanic of a parabolic design is that during a turn, the ski (now tilted on an edge) is flexed upwards along its relative Y axis. (See the following image, look at the outside ski: http://bomberonline.com/vbulletin/attachment.php?s=3f4d03e2941cb268a01c72ffbb49fcb1&attachmentid=5352&stc=1&d=1160950368 )

    This design will be nonfunctional in such an environment (occurring less dramatically during every turn made by any skier), and will likely cause an absolute loss of stability.

    In short, this design overthinks the wheel, and fails.

  • Branko says:

    Hi there.
    Great invention that would give you two edges from one ski.
    It is interesting concept but already invented. I´ve seen in ’80 snowboards with this kind of mechanism…It seems too complicated and it gives me impression that there is no contact with the surface.

    Then when I think bit more…I do ski for around 30 years…You cannot edge the ski as much as you want, you cannot press on the surface.

  • bonny says:

    We see a lot of great concepts here. But the questions remains: where can we buy them (when they become available)?

  • Samantha B says:

    Well, I know nothing about skiing, so all I’ve got to say…

    exploded is spelled wrong in “expoded view” 🙂

  • b2b says:

    (again yet another example of why designers and engineers and materials scientists should talk more)
    The increased drag (due to the gap between and narrower imprint) on the downhill part would offset any speed gains in turning/carving.

    Also, why stop at two when six blades (let’s call it the new “Mach 6 Fusion”) will allow you to carve a Thanksgiving turkey mid-slalom.

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  • Interesujące… aż rozpoznam temat bardziej, bo mnie zainteresował…
    Ale najpierw śmigam na deskę snowboardową, trzeba się zrelaksić!

    10/10. Serio!

  • medyk says:

    Całkiem ładny design strony. Własnoręcznie robiony czy
    też to darmówka?

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