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ski position when edge tuning

post #1 of 10
Thread Starter 

So I have always placed my skis on their sides when edge tuning as that is how I was taught and it has worked well for me...but while recently working on a friend's set of boards he asked if it would be more efficient to keep them base up.

 

Can anyone explain why the side edges should not be sharpened with the skis in the base-up position?  I can understand for things like setting the initial side edge bevel...but would it not be more efficient to do a diamond stone progression with the base up?

 

I am interested in any and all thoughts on this topic.

 

-Z

post #2 of 10
It would work, though possibly more difficult to keep even pressure.

Personally I like to see the edge as I'm tuning it - so much so that my vises sit about a foot higher than most.

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post #3 of 10
Quote:
Originally Posted by zohan View Post
 

So I have always placed my skis on their sides when edge tuning as that is how I was taught and it has worked well for me...but while recently working on a friend's set of boards he asked if it would be more efficient to keep them base up.

 

Can anyone explain why the side edges should not be sharpened with the skis in the base-up position?  I can understand for things like setting the initial side edge bevel...but would it not be more efficient to do a diamond stone progression with the base up?

 

I am interested in any and all thoughts on this topic.

 

-Z

You want any pressure on the tool directly over the edge that is being filed or polished. You also do not want the tool/stone/file rolling off the edge.

 

Side edges should be done and the side edge bevel tools are designed to be used with ski side edge up and the bases facing away from

you. File or stone at an angle in the tool


Edited by Atomicman - 1/3/14 at 11:53am
post #4 of 10

You were working on a friend's skis and the friend, who doesn't know how to do the work himself, is giving you advice?

post #5 of 10
Thread Starter 

No, he simply asked why I put the ski on edge to tune the side edges.

 

He was commenting on the time it takes to change out the diamond stones in my side of beast pro edge guide and then do it all again after flipping the ski around so the other edge is up...his comment was more to the effect of "would it not be more efficient to keep the ski flat so one can work both edges with the same diamond stone and only change out each stone once per ski?".

 

I understand the pressure issue...not sure I agree, without documentation or evidence, that the tools are actually "designed" specifically to be used with the ski set up on edge but accept that this is fairly standard practice.  When I think about it there seems like there would be less chance of the tool rolling and less likely to provide too much pressure to the edges if the side edges are tuned base up instead of edge up.  What I like about tuning edge up is that I can see the edge I am working on and if the sidewall is getting in the way and if there are any troubled areas that need specific attention...these things are hard(er) to see on the far edge when the ski is base up.

 

Also, a note on design...with the ski flat when tuning the side edge wouldn't filed material more likely fall away from the ski and less likely for it to be trapped between the edge guide and the ski where it can cause damage?  I know some tools have cutouts to help prevent this from occurring but it appears that there would be less chance of it happening if the base was up when edge filing.

 

-Z

post #6 of 10

Z, I understand your line of questioning, since we're all looking at shaving off some time when we're staring at a group of skis to tune and wax.  In my humble opinion, as for saving time, I think flipping a ski from one edge to the other to file and tune, then placing it upside down to wax is a loss of time, but probably measured in seconds.  The advantage of tuning with a ski on its side is that the vice/mounts hold the ski more securely and evenly when applying pressure down on the edge of the ski.  Also, like a previous poster said, it's good to be able to see the edge your filing/tuning.  Since the ski is held perpendicular to the floor, I don't know how much of a threat there is of filings getting stuck on the base.  I'm always looking to improve the efficiency of how I tune skis, so any insights are appreciated, too.

 

T. - wasatchreport.com

post #7 of 10
Actually, filings don't always fall down, they often cling to the base even if the ski is on edge. I use a paintbrush after each pass to make sure I don't press them in.

But if the ski is base up and you are pressing sideways, because the ski is only held in most cases at one point, you may be able to shift the ski. You don't want this wiggling when you are filing your edges. When the ski is on edge, it is normally held at two places and you are pressing downwards. At least in my vises, the ski can't be pushed or deflected when I press evenly.
post #8 of 10

If time savings is a concern and you are doing a lot of skis, you'll own multiple same angle side edge bevel tools and each one will have its specific file, diamond stone, stone or whatever, that stays with it.  Even home tuners, especially the ones with racers living under their roof, will have 2-4 93degree side edge bevel tools.

 

I know most wouldn't think it's a big deal but if you've ever tuned very many skis and already had your files and stones set up and ready to go in their very one side bevel tool, you'd be amazed at how much faster you can tune the edges.  For the home tuner that only tunes their edges but maybe 1-2 times a month, 1 side bevel tool is all you'll ever need but if you are doing multiple sets of skis 2-4 days a week, multiple tools will save you a lot of time.

post #9 of 10
Quote:
Originally Posted by zohan View Post
 

No, he simply asked why I put the ski on edge to tune the side edges.

 

He was commenting on the time it takes to change out the diamond stones in my side of beast pro edge guide and then do it all again after flipping the ski around so the other edge is up...his comment was more to the effect of "would it not be more efficient to keep the ski flat so one can work both edges with the same diamond stone and only change out each stone once per ski?".

 

I understand the pressure issue...not sure I agree, without documentation or evidence, that the tools are actually "designed" specifically to be used with the ski set up on edge but accept that this is fairly standard practice.  When I think about it there seems like there would be less chance of the tool rolling and less likely to provide too much pressure to the edges if the side edges are tuned base up instead of edge up.  What I like about tuning edge up is that I can see the edge I am working on and if the sidewall is getting in the way and if there are any troubled areas that need specific attention...these things are hard(er) to see on the far edge when the ski is base up.

 

Also, a note on design...with the ski flat when tuning the side edge wouldn't filed material more likely fall away from the ski and less likely for it to be trapped between the edge guide and the ski where it can cause damage?  I know some tools have cutouts to help prevent this from occurring but it appears that there would be less chance of it happening if the base was up when edge filing.

 

-Z

#1 You should be taping you bases like I do, if you are that concerned about debris during filing.

 

#2. Edge tool is designed with a recess for filings. 

 

#3. I Always work with a paint brush handy to sweep skis off. (No filings to be concerned about with diamond stones)

 

#4. Scott Holmer Inventor of The Beast Tuning Gear Instructions below!
 
I own multiple (SVST) side edge bevel tools and own theiir shim set, so I can have as many as 4 stones mounted at once at the same bevel angle and also have the ability to do several different side edge angles from 1-7 degrees.The side of beast is least efficient. It is much easier to change stones with a spring clamp rather than The Beast screw down holder. I DO NOT like Side of Beast. Sold or gave mine away. It does not sit solid enough on edge and cannot accomodate wider polishing stones.
  • Side Edge Tuning

    Side edges need daily maintenance for max performance. Hold ski in vise with side edge up and base away so you can easily work on side edge. This position allows you to pull Side of BEAST toward you giving better control than if you were pushing the tool.

    Ski Side Edge Tuning

 

  •  

Edited by Atomicman - 1/5/14 at 5:57pm
post #10 of 10
Quote:
Originally Posted by MoJo23 View Post
 

If time savings is a concern and you are doing a lot of skis, you'll own multiple same angle side edge bevel tools and each one will have its specific file, diamond stone, stone or whatever, that stays with it.  Even home tuners, especially the ones with racers living under their roof, will have 2-4 93degree side edge bevel tools.

 

I know most wouldn't think it's a big deal but if you've ever tuned very many skis and already had your files and stones set up and ready to go in their very one side bevel tool, you'd be amazed at how much faster you can tune the edges.  For the home tuner that only tunes their edges but maybe 1-2 times a month, 1 side bevel tool is all you'll ever need but if you are doing multiple sets of skis 2-4 days a week, multiple tools will save you a lot of time.

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