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Base Structuring

post #1 of 5
Thread Starter 
Hi All

Hope you can help me out with an alpine ski base structuring question.

We read that base structure can be as important as wax. But we can't afford multiple sets of alpine skis/boards set with different base structures.

Is there any way to set a new base structure for race day conditions without unduly wearing the base or raising ptex hair (which will just slow you down)?

What about a riller bar with rollers?

Any experience here?

If not, feel free to forward this to someone with experience in race ski preparation. They can email me at jhcolman@rogers.com.

BTW, is there a message board where the race ski technicians hang out?

post #2 of 5
I'm not a racer tech, and don't even play one on TV, but from everything that I have ever heard, after a semi-major change to the bases like restructuring, you want to ski, clean, re-wax, ski, clean, re-wax, etc. for a lot of cycles to bring them back up to full speed. This procedure may be somewhat less important than it used to be, but I believe it still is felt to be needed. If so, your plan to temporarily restructure the bases wouldn't seem to be a good idea.

Helluva, U.P., some of you other race guys, whats the real story here?

Tom / PM

PS (in edit) - Digging way back into the old memory banks, I seem to recall someone once saying that for a "temporary restructuring", they would clean the ski, put down a thick, smooth layer of really hard, high melting point wax, structure it, and then put the correct wax for the day over it. To me, it sounds like there could be all sorts of problems with this procedure, but maybe in the right hands, it could be made to work.

[ October 25, 2003, 11:07 PM: Message edited by: PhysicsMan ]
post #3 of 5
I don't race but I have been in a shop with an ex-racer/ex-Ski Team tech while he was showing me tuning techniques.

I would say that it is not good to try to restructure yourself as it will probably slow down the ski more than help because of p-tex hairs like you said.

I would assume some kind of all around structure like a crosshatch pattern would be good for various conditions and temp.

Like Physics said, there are racers here that can answer you.
post #4 of 5
Swix has a booklet that can be purchased for about $5. It was available last year so one of the shops still probably has it around. It goes over all levels of base prep.

Regarding your wax question, you can go in with other parents through a cooperating shop. Usually, one of the local retailers will give the team a level of "sponsorship" and with the equivalent of your (Canadian) USSA card will help you order in quantity.

At about $63 for the high fluro, I have never bothered chasing discounts since that's only used on race days and with the two temp range bars that I purchase, I always have some left over.

How old is your son/daughter? Are you using a two ski set-up, a paractice pair and an identical dedicated race ski?
post #5 of 5
I try not to change my structure a lot, because once i get a lot of wax into my bases, i dont usually like to start the waxing process over with a base that has no wax worked into it. Wax isnt really the most important part of slalom anymore, but it definitely helps in GS, especially coming right out of the start. The next most important thing is of course structure... aside from your tune of course... I forget the exact depths i use for my bases... a have a good friend who is an excellent tech at a local shop, and he does all of my bases for me. He starts out with a straight pattern down the ski, and then adds a cross hatch on top of it. Neither are terribly deep, because this pattern is designed for regular season skiing. If you are skiing spring slush, you want a much deeper cross hatch in the ski. For some reason i think the depth was 10 and 13 or something of that nature - on a winterseiger (sp??) machine. I'll check and get back to you within the next few weeks, because i think i am going to have my racers done before the season starts, as well as my Xscreams, which are starting to have seen their better days...
Basically go with a good straight pattern and a cross hatch, that is slightly deeper. If they are skiing in the spring at states or something i would get the skis done with a deeper cross hatch, and the wax the living hell outta them with a warm weather HF or LF wax. Make sure you wax and scrape several times after you have the bases done, and also hand tune them. the machines never get the edges very sharp compared to a good hand tune.
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