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din is din...right??? - Page 2

post #31 of 34
I hope I am not being redundant here. Read most of the posts but missed a few since I have a headache and haven't finished the first cup of coffee yet. [img]smile.gif[/img]

Now, racing and extreme might be a different story here, but as an interesting test of one's smoothness, regardless of one's agressive skiing, is to set the DIN's as low as possible. If one's skiing is smooth and precise you won't release. I'm not reccommending doing this all the time. It's just a point to show that a Gawd-awfull high DIN setting might not be so necessary. On a thread here somewhere someone said they skied with some older guy about 75 or so who had his DIN's at 4.5, and he ripped past everone with speed and grace. fairly good sized guy too. Now, before anyone rips my head off for saying that. it's whatever works for you.

Dispelling a couple of myths: 1. Bindings work better in the mid-range setting between its lowest and highest setting. Truth: They are engineered to work anywhere proficiently within the two designated settings. By safety standards this must be so. DIN stands for Deutche Industrie Normen. This info is from Salomon and Marker. Others, I am sure, aren't any different. 2. Relax the DIN's in off season to give the springs a rest. Truth: I've heard of this and checked on it. It is not necessary. I am sure many of us have never done this and have had no problems with our bindings. I have never seen any operating instructions suggesting to do so. But many people get ideas in their heads and try to back it up with something which sounds like facts. It is not necessary to do this. But it is impossible, most of the time, to persuade many folks so if one must, I guess you aren't hurting anything.

Here's the biggie on higher end bindings: There is so much more to a binding than the DIN range! Here is the question to consider......... During a partial release (and there is always a partial release occurring in a hard turn, in varying degrees- we just don't notice it) HOW QUICKLY AND PRECISELY CAN THAT BINDING PULL THE BOOT BACK TO DEAD CENTER POSITION? The higher end the binding is the better it can do this. I learned this from an Olympic skier a couple of years ago.

Therefore, if one is very agressive with hard turns and hard landings, etc. a higher-end binding would be advantageous even though your DIN setting might be a 7 with a range of 4 to 14 with that binding. Even though you would never use 14 or so that binding would, perhaps, be better suited for your needs due to the above reason.

When I sell bindings I ask a lot of questions. My customer might be an intermediate skier, let's say. I ask the customer to be brutally honest with him/herself. (I make sure they understand I am not questioning their ability, just their aspirations) Are they only interested in cruising along, having fun, taking pictures, beating up the kids now and then for being little snerts (just being funny here) and not looking to advance their skiing ability or skills - which is fine, or do they plan to become a better skier over the years?

The first choice taken I sell them a middle of the road binding according to their ski level. The second choice taken I suggest a higher end binding (doesn't have to be the top end by any means). This way, as they improve and later, buy a higher end ski, they will already have a binding which will meet their needs at that time. This way they can trnasfer the binding to the new ski without having to look at another purchase in a binding. In the long run they save money. I have had so many customers tell me of their appreciation due to this.

So.... start with the shop DIN setting, adjust as you see fit if necessary, not going overboard. (My mother, bless her heart, knows and uses only two settings on her A/C in her car.... off and full bore on! [img]smile.gif[/img] ) Sheesh! Leave the settings alone in the off season. Use a binding high enough which meets your needs concerning partial release return quickness and precision. And for crying out loud.... quit worrying about all this and get out there and have fun! Right? [img]smile.gif[/img]
post #32 of 34
Hi Tom,

I mis-used the term hystheresis [img]redface.gif[/img] . Yes, preload (dead zone) is the right term for what I meant. Thank you for clarifying that.

post #33 of 34
Originally posted by PhysicsMan:

Your example about a car's springs may be the most convincing of all.

Tom / PM
Find yourself a 2nd generation toyota 4runner (91-95). Without exception every single one of them sags in the rear, where they are suspended by coil springs.

Admittedly, those springs are cycled much more than the ones in your bindings, however coil compression springs when made with low quality materials and heat-treats will creep or slip. Spring constant will remain the same, but unloaded length will change. If I was convinced the springs in bindings were of high-quality, it wouldn't be an issue.
post #34 of 34
Oh, so that's why I saw two of them in one season on their roofs next to snowbanks? At least their frames are better quality than shock absorbers: no injuries in both cases.
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