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Thread: Repetitive cutting in a ski base
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10th September 2017, 04:33 PM #31
Hi Rssr, as a skiing woodworker this post gets my interest,toured on fishscale and waxed nordics in the 70s and 80s in Utah for 10 years as well as 1000 days frontside skiing as its now called,gave it away for 27 years but back at 69yo, last 3 years, switz , japan and now ski nirvana for me Dolomites Italy, what you are doing is most interesting but absorbing myself in ski and literature recently , the skiing backcountry millions seem well served with tech bindings , lightweight boots,skis and skins, you may be on the cuting edge of a new trend, good luck, Rossco
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10th September 2017, 05:41 PM #32Hewer of wood
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Thanks Rossco.
There's a few guys out there doing this for themselves as they like me find the factory pattern bases too slanted to grip rather than glide. I'm a telemarker and strong patterns and smooth lead changes don't mix too well.
There was a guy in Melb who had pro status if you like in this game and did a number of skis for mates; he's not around any more.
You sound like you're making up for lost time there!
My winter landlady has been to the Dolomites too and raved about it.
Cheers.Cheers, Ern
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16th September 2017, 09:58 AM #33SENIOR MEMBER
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Hi Ian,
Pattern based skis work very well in Australia. Unlike North America (where I have skied back country a Lot) the Oz terrain tends to be rolling. Skins are a pain. I use Voile Bc skis here very suss3ssfully and can climb slopes equivalent to Blue (intermediate) grades without breaking out the skins. In North America Bc skiing tends to be long, sustained and quite steep climbs to access interesting downhill slopes. Waxing is a non issue, and the pattern will cover the middle third of the ski. You do get a buzzing when skiing, and the glide on flats and gentle downhill is not as good as a flat base, but much better than trying to use skins.
Hi Ern,
If you manage to cut the pattern OK you will find the base great for the High Plains. I suggest that whatever jig you come up with, you need to index off the base itself, and not try to flatten out the ski. BTW, if you totally stuff it up, look for the Voile V6 Bc online, I bought mine end of season special from USA and price was very good ( about 40% of the shop price here) even with the shipping.
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16th September 2017, 12:52 PM #34Hewer of wood
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Bingo Ross. These are the 'waxing' version of the V6 which I chose in preference to the PB. They were an end-of-season local special last year.
Yes, PBs are ideal for rolling hills and I've been using skinny and fat versions in Oz since starting out.
These are intended for slack country which I seem to be doing more of these days as the body ages, in which most of the movement is downhill. When needed I'll whack on some kickers.
Soo, why do you say not to flatten the ski? There's little camber in these as you'd know.Cheers, Ern
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16th September 2017, 01:04 PM #35
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16th September 2017, 02:06 PM #36Hewer of wood
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Let's let him speak for himself shall we?
Cheers, Ern
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17th September 2017, 12:42 PM #37SENIOR MEMBER
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No danger of ski losing the camber, but it will be tricky, I thing, to get accurate cuts unless you index off the base. i.e. the jig that holds the router at appropriate angle should slide along the base of ski rather than some other surface.
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17th September 2017, 01:19 PM #38SENIOR MEMBER
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A good post on this topic from http://www.backcountrytalk.earnyourturns.com/vb/showthread.php?79-What-to-do-with-old-fat-skis-Add-fishscales
Picture from the OP from that thread (as you need to be registered to see pictures.)
P1050218 (640x480).jpg
And here is a video of the Dremel technique. It won't take too long to cut using this method.
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17th September 2017, 01:26 PM #39Hewer of wood
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18th September 2017, 11:17 AM #40Hewer of wood
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The remaining design issue is the density of the voids in relation to solids over the desired grip section.
I've got data from two custom jobs and of course there's Nurse Ben's effort in your pics Ross. That strikes me as being a little light-on. But I'll start low and increase it if necessary.Cheers, Ern
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19th September 2017, 05:40 PM #41SENIOR MEMBER
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I'll be interested to see how this goes - hopefully you can take pictures of the process & end result (including some on snow action!!)
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20th September 2017, 04:16 AM #42Hewer of wood
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Sure.
Testing will have to wait until next winter now as I tore a shoulder muscle on the slopes last week.
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12th January 2018, 12:23 PM #43Hewer of wood
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Came across this idea in an old mag. Will allow me to knock up an alloy bar to accurately space the steps of the router down the base ...
Cheers, Ern
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2nd July 2018, 12:38 PM #44Hewer of wood
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This is the wash-up.
The skis are 98mm underfoot and I've put three 60cm rows of 'scales' on it. They're offset forward of the boot centre line.
The bit was a 19mm straight-end and the router tilted a little to cut crescents. If I was doing this again I'd use 1" for more edge across the skis.
The pattern is minimal and I'll add scales if necessary. I'll carry kicker skins and probably fit crampons with the bindings anyway.
RossM, I'll take them out on the High Plains this week for a shakedown cruise. As a negative pattern they'll be crap on icy snow but that's the price you pay.
1. Repeated drilling jig, 15mm pitch.
2. On the trial ski.
3. Some test cuts. The packing attached to the router base for the tilt needed adjusting to produce a better cresent.
4. The cuts in the skis.
DIY pattern base.jpgDIY pattern base 2.jpgDIY pattern base 3.jpgDIY pattern base 4.jpgCheers, Ern
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2nd July 2018, 07:58 PM #45
Thanks for reporting back
There ain't no devil, it's just god when he's drunk!!
Tom Waits
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