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Thread: If Bodie can race on one ski, why can't I????

  1. #11
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    Thanks for the input. My sole length is 326. I work for a ski shop and our head tech was careful to make sure the forward pressure adjustment was set properly. In a survey of the better racers on that course the DIN settings ranged from 9 to 14. Since I'm a member of the race crew at Okemo I had a mountain radio with me after I retrieved my gear and I overheard one of the crew asking if someone had "seen Pat Moore's crash". Whoever responded replied, "yeah, he probably had a DIN setting of 7". The guy called it exactly! The consensus was that for races of that speed and lateral forces, I'm better off cranking things down. I have to agree. On the other hand maybe I should stick to snowboard racing - the bindings never release! :wink:[/b]
    I don't know, man, how a binding could kick out like that on that slope (in the picture) if it was set at 7 and properly set up. The charts I have all indicate a 5 for your height and weight and sole length, going to 4 if you're over 50 years old. I'll give you a fitness credit and leave it at 5. But still, it did pop. What exactly precipitated the release? It looks like you could have dragged a tip or something - maybe it should have released!

    I'm puzzled.

    jv

  2. #12
    Senior Member jclose8's Avatar
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    I don't know, man, how a binding could kick out like that on that slope (in the picture) if it was set at 7 and properly set up. The charts I have all indicate a 5 for your height and weight and sole length, going to 4 if you're over 50 years old. I'll give you a fitness credit and leave it at 5. But still, it did pop. What exactly precipitated the release? It looks like you could have dragged a tip or something - maybe it should have released!

    I'm puzzled.

    jv[/b]
    Those charts are a guideline. A starting point. For example, the chart is the same for someone 148 to 174 pounds. That's a pretty big range.

    If you are an aggressive, fast skier, and/or ski gates regularly, you may well need a higher release value. Especially in particularly firm, rutted snow.

    I set up a pair of adult GS skis this weekend for a J3 girl who is headed to J.O.'s and needs a ski to use for Super G. I checked her tech skis, and they were set at 8, so because of the higher speeds of SG, I set them at 9 for her.

    For racing, it really becomes a matter of trial and error. If they pre-release, you gotta crank 'em up a bit.

    For reference, I weigh about 175, and have a 311 boot sole. My bindings are set on 12, and they DO release when I need them to. You should always try to keep your bindings set as low as you can get away with without pre-releasing.
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  3. #13
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    Those charts are a guideline. A starting point. For example, the chart is the same for someone 148 to 174 pounds. That's a pretty big range.

    If you are an aggressive, fast skier, and/or ski gates regularly, you may well need a higher release value. Especially in particularly firm, rutted snow.

    For racing, it really becomes a matter of trial and error. If they pre-release, you gotta crank 'em up a bit.

    You should always try to keep your bindings set as low as you can get away with without pre-releasing.[/b]

    Jclose8 has made some excellent points. Since you are an advanced racer you may be moving into the realm of the type 3+ skier. Also, as an advanced racer once you move up from standard NASTAR courses to more difficult USSA Masters/J1 & league courses, the forces on the bindings increase significantly. I used to have my bindings set on 7 until they pre-released when I hit a shallow cross rut in a Masters type GS course. I eventually increased them to 9 and haven't had pre-release issues since (Please note that this is for informational purposes only & you should consult a qualified professional). The main point is to increase the bindings in small increments slowly but keep them as low as possible.

  4. #14
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    I weigh 30 lbs less and am female over 50 and mine are set to 6.5 I try to fall a couple times each year to be sure they release if needed. I have learned to exagerate my height and weight and shave 5 off my age when getting bindings set so they don't fall off unexpectedly. Last bone density exam I was 125% of the average 21 year old so I worry less about bones than soft tissue but have never had much trouble...yet.
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  5. #15
    Senior Member putterman's Avatar
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    Stockliman, I am not squeemish, but that turned my stomach! I still have a sour-puss grimace.... I actually didn't even finish watching the whole clip. After the SECOND slow-mo replay, I had to turn it off. As hard as it was for me to watch, I can only image the terror that it must have struck in his family's hearts...AND for him to watch on video. :shock:
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    Stockliman, I am not squeemish, but that turned my stomach! I still have a sour-puss grimace.... I actually didn't even finish watching the whole clip. After the SECOND slow-mo replay, I had to turn it off. As hard as it was for me to watch, I can only image the terror that it must have struck in his family's hearts...AND for him to watch on video. :shock:[/b]
    I doubt he's seen it yet, he was in an induced coma for the treatment, including amputation, which I think was early Tuesday morning.

    I wonder why his left ski didn't come off. The Austrian's were immediately blaming Norway for not having a chopper standing by. I would be looking to the ski tech who set up the bindings, and the binding manufacturer. I watched the video several times, and that ski hit hard on the edges several times and should have popped off.

  7. #17
    Senior Member jclose8's Avatar
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    I doubt he's seen it yet, he was in an induced coma for the treatment, including amputation, which I think was early Tuesday morning.

    I wonder why his left ski didn't come off. The Austrian's were immediately blaming Norway for not having a chopper standing by. I would be looking to the ski tech who set up the bindings, and the binding manufacturer. I watched the video several times, and that ski hit hard on the edges several times and should have popped off.[/b]
    World Cupper's set their bindings on "STAY"

    I think the main problem was, as soon as the leg broke, there wasn't enough leverage to generate a release.
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  8. #18
    Senior Member jclose8's Avatar
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    I don't know, man, how a binding could kick out like that on that slope (in the picture) if it was set at 7 and properly set up. The charts I have all indicate a 5 for your height and weight and sole length, going to 4 if you're over 50 years old.[/b]

    I wonder why his left ski didn't come off. I would be looking to the ski tech who set up the bindings, and the binding manufacturer. I watched the video several times, and that ski hit hard on the edges several times and should have popped off.[/b]

    You act like if the binding is set up properly, it will always release when it should, and always stay on when it should. That is not the case. A ski binding is just a dumb mechanical device. A release setting is just a torque value. It is impossible to have a setting that is "right" for all situations.
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  9. #19
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    You act like if the binding is set up properly, it will always release when it should, and always stay on when it should. That is not the case. A ski binding is just a dumb mechanical device. A release setting is just a torque value. It is impossible to have a setting that is "right" for all situations.[/b]
    I'm not taking a simplistic view of this, and in fact, there is a dynamic component to the way a binding releases, it's not as simple as "just a torque value." A simple torque value ignores significant terms - friction, and mass of the moving parts (first and second derivitives). Plus, it's three dimensional.

    I was only remarking on the extremes, or at least that was my intention. At one extreme, Pat's binding coming loose when he's just skiing; on the other, Lanzinger's staying on with such an extreme impact. Consider that his leg bones both broke, and it appears in the video that it was a torquing injury; perhpas the bindings should have released before both tibia and fibula broke. Just speculating, though.

  10. #20
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    I try to fall a couple times each year to be sure they release if needed.[/b]
    Gotta remember that one! :grin:


    I have learned to exagerate my height and weight and shave 5 off my age when getting bindings set so they don't fall off unexpectedly.[/b]
    I do the same, but that still doesn't put them up where I need them for GS and Night League (as tested "on-course" via pre-releases).

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