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Why not metal?

post #1 of 9
Thread Starter 
My old Valants have metal tops and edges. Most skis include some metal between the top sheet and the base. Why not metal bases instead of the plastic stuff they use now?
post #2 of 9
I've never seen frost or ice stick to p-tex, but have seen it build up on metal surfaces quite a bit. This makes me wonder why not have p-tex over airplane wings?
post #3 of 9
I've seen frost stick to PTex.

But yeah, metal bases would be slow. Look at how thin the edges are on race skis.
post #4 of 9
Originally Posted by epic View Post
I've seen frost stick to PTex.

But yeah, metal bases would be slow. Look at how thin the edges are on race skis.
Yes, but what would happen if they were properly structured (and think how well they would retain their structure, once imparted)? The downside would be losing the ability to alter the the base surface to match conditions - the reason we use wax. But if you happened to have the correct conditions for the harness of the metal base...

I believe early Head, Hart, and Mercury skis had metal bases?
post #5 of 9
seems like repairs would be much harder...maybe fewer things to fix if they were constructed right, but still harder to smooth and fill...
post #6 of 9
The only thing I can think of besides the obvious advantages to waxing as a metal fabricator is drilling and repairing. Stainless is very hard to drill through and even harder to repair without warping. Your core shots now would be akin to having a filling punched out by Kimbo Slice of your ski were solid stainless. Think no forgiveness, very little flex, and although the finish would be harder to blemish, it would be nearly impossible to bring back to original condition once it was damaged. Flex in metals changes with heat, so once you filled a scratch or ding with weld, BOOM your kelvin scale is AFU cuz now your skis are of a different hardness in said repair spot.
post #7 of 9
I've wondered the same thing actually. There are tons of treatments for metal that one could put onto the metal base -ceramic coatings,teflon coatings etc. A ceramic coated metal base would be pretty tough and you might be able to ski over some rocks.

Repair is definitely a problem though. Plus, if you ran over a rock and it went through the coating and into the metal it might tend to grab more and haul you down even more quickly.

A while back there was a guy looking for glue to attach .050 thick titanium sheets (surplus from Boeing) to the base of his skis for sand skiing!
post #8 of 9
Back in the 60's I had a pair of Harts with an anodized aluminum base (I believe Head had a similar model). Very durable, no strurture, can only rub on wax, OK on cold snow, terrible on wet snow.
post #9 of 9
the uhmwpe used in ski bases is far more abrasion resistant than a steel or aluminum base would be. it also has a lower coefficient of friction. teflon has a slightly lower fiction coefficient, but is much more expensive and not nearly as durable.
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