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DIN Question

post #1 of 12
Thread Starter 
I picked up my daughters new rossi scratch bc's from the shop yesterday. I had them mounted with some look px12's that I picked up on backcountry.com for cheap. The guy at the shop told me they would just barely work because on the chart her DIN should be a 3. When I got home I looked at her skis she was on last year, Volkl supersport jr with the marker racing jr. binding. The DIN on these was set by a different shop last year at 4.5 My question is whats up with the difference in DIN settings? Last year she was probably 10 lbs lighter as well. When I put the boots in the bindings and twist them out by hand the markers seem to take more force to release then the looks. Is there anything I should be concerned about? Is there a problem having the DIN set so close to the endpoint? My daughter is almost 11 years old. Is 5'1" and weighs just over 90 lbs.
post #2 of 12
Quote:
Originally Posted by UTpowder View Post
look px12's v.s. marker racing jr. binding. My question is whats up with the difference in DIN settings?
Different bindings. 1 is a jr. and 1 is not.
post #3 of 12
Thread Starter 
I underdstand DIN to be an international standard for binding release and should not change just because a binding is labeled as jr. Am I wrong?
post #4 of 12
Did she get newer boots that are larger?

Did you change the skier type or would the shop have set her differently ie. Type III+?

Does she race and have a coach that might have adjusted her binding?

Is one shop incompetent?
post #5 of 12
Maybe I'm wrong. Figured a Jr. binding would have a weaker spring than adult. Here's a website for DIN standards.
http://www.dinsetting.com/index.htm
post #6 of 12
post #7 of 12
Quote:
Originally Posted by slider View Post
Different bindings. 1 is a jr. and 1 is not.
WRONG sorry have to do it. What make the binding are has no bearing on what the DIN will be set at. Also skis lenght has no bearing either. The only things that matter are this age, sex, height, weight, boot sole lenght and ability.

DIN is measuement standard for alot of things not just bindings as alot of people think.

Another misconception is that a binding shouldnt be at the end points, shop guys keep telling people this and all they would have to do is put a binding though torque test to find out it isnt true more on this later.

Getting to your daughter skis, I have no clue why. My only guess why the skis were set lower this year was because of your daughter groming and or getting a different size boot. Di she grow a couple inches this year?

with that said if she can twist out of them with the ski on the ground they should be good to go or if the 4.5 makes.


off topic

Back to ski shouldnt be set at the end points. We took a couple pairs of binding of different Din Levels and set them so one was maxed out and the other was in the middle or one was at the bottom and one was at the middle. Binding tested included marker duke, Look Px12tis, Salomon 914s, Naxos Nx21s and Look PX18s.

The torque tested showed and proved that at the end or not modern binding release at the DIN they are set to regardless of if they mined or maxed out.

If your a shop guy dont just post up NO its not true and keep the myth alive go back and test.
post #8 of 12
Thread Starter 
I did a little bit of searching and found DINsetting.com. When I put all her numbers in it lists her at 4. She is right at the top of most of the categories. The weight goes from 79-91 pounds in one category and the next weight category is 92 to 107. She is between 90 and 92 depending on the day. Height is from 4'11" to 5'1" and 5'2" to 5'5". She is 5'1.5".
For skier type its a little confusing to me. For her age she is definatley a type III. But compared to an adult shes probably a type II. She has been skiing since 2 and half and can ski anything on the mountain. When I play around with the numbers bit it get a DIN of 4 when I move her up into the next catergory and leave her at a level II. When I put her at a Level III it takes her up to 4.75. When I move her down into the lower categories and and at a level II she is a 3.
It comes down to where to put her at as far as weight and height. She could probably go in either one.
I will probably just leave them at 3 for now and see if she has any problems releasing too easily when shes on the snow. Although I hate to see a wreck caused by doing it this way.
post #9 of 12
Thread Starter 
Quote:
Originally Posted by slider View Post
Maybe I'm wrong. Figured a Jr. binding would have a weaker spring than adult. Here's a website for DIN standards.
http://www.dinsetting.com/index.htm
I think your right in saying that a Jr. bindings has weaker springs but these bindings also have lower DIN settings as well.
post #10 of 12
Its possible that the last time you had the marker jr bindings tested, they didnt respond to the corrrect amount of force when the DIN window said "3" and the "4.5" actually corresponds to the force required for a setting of "3." That's a little wordy, but basically the DIN window does not always correspond to the correct settings.
post #11 of 12
Quote:
Originally Posted by UTpowder View Post
I did a little bit of searching and found DINsetting.com. When I put all her numbers in it lists her at 4. She is right at the top of most of the categories. The weight goes from 79-91 pounds in one category and the next weight category is 92 to 107. She is between 90 and 92 depending on the day. Height is from 4'11" to 5'1" and 5'2" to 5'5". She is 5'1.5".
For skier type its a little confusing to me. For her age she is definatley a type III. But compared to an adult shes probably a type II. She has been skiing since 2 and half and can ski anything on the mountain. When I play around with the numbers bit it get a DIN of 4 when I move her up into the next catergory and leave her at a level II. When I put her at a Level III it takes her up to 4.75. When I move her down into the lower categories and and at a level II she is a 3.
It comes down to where to put her at as far as weight and height. She could probably go in either one.
I will probably just leave them at 3 for now and see if she has any problems releasing too easily when shes on the snow. Although I hate to see a wreck caused by doing it this way.
You answered you're own question, and that's just what you get by using a chart with discrete parts. According to most DIN charts, my setting drops by 1.5 if I take a $hit after lunch...
post #12 of 12
The charts give you a step function, either 3 or 3.5 or 4, but the categories are continuous and so is the screw that sets the din.
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