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Base prep for racing - use a steel brush to refresh structure?

post #1 of 3
Thread Starter 
Hi All,

We have our skiis base ground once, to set the structure, and then go at it with the omiprep pad and repetative base prep waxes. You folks who prepare skiis for races know the effort involved. So I am loath to regrind the ski. And I know that WC techs don't regrind. So the ski gets faster with every run. However, I have heard that some techs use a steel brush to "refresh" the structure. Infact, I bought a steel brush from KUU. But its quite stiff. But I am loath to use it, as I do not want to raise ptex hairs or loose the base prep that we have gained to date. Can any race technicians offer me some advise on this? To steel brush or not? If so, when,how? Then what after?

Thanks for your help.

Regards

Julian

[ January 26, 2004, 09:04 PM: Message edited by: skiracersdad ]
post #2 of 3
I have never used a steel brush. If it is too stiff it may in fact dammage your bases. What i do to prep is go over the base with a brass structure brush. It is fairly abrasive, but not to the point where it can dammage the structure you have set. Compare it to a typical brass structure brush and see how much stiffer the bristles are. If they are similar, i dont see why the steel brush wouldnt work. I personally have always had excellent results with the brass brush though.
Later
GREG
post #3 of 3
I have used a steel brush for "refreshing".
I have even used it from tail to tip.
Then continued on with "Scotchbrite"(Fibertex)
to get rid of hairs.
You can also try Silicon carbide sandpaper,
maybe 100 grit to reopen the structure, then
progressing to 150 or 180 before fibertex.
I don't race, so 180 is about as fine as
I go.
A brass brush with shorter strands might
help, as said. www.the-raceplace.com has
a good set of brushes, including a 16mm stainless
steel and two different lengths of brass/bronze.
For you racerheads, I have an old video of
Willie Wiltz giving his tips on prep and
tuning. I might be willing to copy it, since
the guy who produced it has gone out of the
skitool and equipment biz. It is a hair comical,
Wiltz does a number on the English language,
but he knows his stuff.
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