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  1. #2076
    Join Date
    Sep 2014
    Posts
    80
    Quote Originally Posted by hoarhey View Post
    I have first year GPO's in a 182 with medium flex (I think that's a 3 now), and I don't find the skis very exacting.

    Haven't had the stiff tail experience.

    MAP with carbon

    I would like to try a heavy hitter core or enduro core without carbon.
    I also have the first year GPO in almost the same build (no carb, Med+ /3+ flex) and have never once get it was a demanding, switched on ski. Not sure if itís just skiing style and stance as GPOs to me are just so easy and fun to ski.

    I would have never thought to put them in ďAss kicking skiĒ category.

    Maybe itís the build?

  2. #2077
    Join Date
    Oct 2006
    Location
    Bellevue
    Posts
    6,106
    I think the gpo just isn't that demanding a design. I have a pair from 13 in a just below stiff flex. I think that's 4+ now? Mine are mounted -1 from the line and they just work.

    I'm currently tossing around the idea of a UL veneer FRS in a 188 as a shorter more playful ski for touring and some inbounds use. I haven't decided about sending an email to Keith yet.

  3. #2078
    Join Date
    Dec 2014
    Location
    Colorado Front Range
    Posts
    4,311
    Quote Originally Posted by abraham View Post
    I think the gpo just isn't that demanding a design. I have a pair from 13 in a just below stiff flex. I think that's 4+ now? Mine are mounted -1 from the line and they just work.

    I'm currently tossing around the idea of a UL veneer FRS in a 188 as a shorter more playful ski for touring and some inbounds use. I haven't decided about sending an email to Keith yet.
    Dollars to donuts these folks haven't detuned their GPOs sufficiently.

    As I write this, it occurs to me that detune is an inappropriate term, implying somehow that the ski is indeed an unmanageable beast.

    Maybe "sufficiently dulled to the contact points, and not merely with a gummy" is a phrase I should adopt (more typing involved, but I'm up to it)?

    ... Thom
    Galibier Design
    crafting technology in service of music

  4. #2079
    Join Date
    Aug 2013
    Posts
    1,816
    Quote Originally Posted by abraham View Post
    I think the gpo just isn't that demanding a design. Mine are mounted -1 from the line and they just work.
    I agree. GPOís arenít hard to ski. They do whatever you ask of them. I consider them a great jack of all traits ski.

  5. #2080
    Join Date
    Jul 2014
    Posts
    120
    Quote Originally Posted by galibier_numero_un View Post
    Dollars to donuts these folks haven't detuned their GPOs sufficiently.

    As I write this, it occurs to me that detune is an inappropriate term, implying somehow that the ski is indeed an unmanageable beast.

    Maybe "sufficiently dulled to the contact points, and not merely with a gummy" is a phrase I should adopt (more typing involved, but I'm up to it)?

    ... Thom
    Alright then, seems like I'm the only one having issues. I'm going to give them another good detune and see how they (I) do on the upcoming weekend's slush fest.

    Just to clarify, do you determine the contact point by just putting the ski on a flat surface and looking at the place where the tip and tail naturally rise off the ground? Or do you apply pressure on the ski in the boot area (as if you were stepping in) until it's decambered and look at where the tip and tail rise off the ground? The latter method would move the "contact points" closer to the boot, meaning I'd have to dull a larger portion of the edges than I've been doing up until now.

  6. #2081
    Join Date
    Mar 2020
    Posts
    138
    My personal preference is to do a more serious detune from contact point towards tip and tail, the feather back to contact point when flat for a soft snow ski.

  7. #2082
    Join Date
    Dec 2014
    Location
    Colorado Front Range
    Posts
    4,311
    Quote Originally Posted by powder_to_the_people View Post
    Alright then, seems like I'm the only one having issues. I'm going to give them another good detune and see how they (I) do on the upcoming weekend's slush fest.

    Just to clarify, do you determine the contact point by just putting the ski on a flat surface and looking at the place where the tip and tail naturally rise off the ground? Or do you apply pressure on the ski in the boot area (as if you were stepping in) until it's decambered and look at where the tip and tail rise off the ground? The latter method would move the "contact points" closer to the boot, meaning I'd have to dull a larger portion of the edges than I've been doing up until now.
    Good question, and I'll wait for others to clarify/correct me. I dull go to the point where tip & tail tapers end: put the ski on its side (counter top works nicely) so the edge is contacting the counter top.

    Slide a piece of paper to find the two points. It occurs to me that you can use the published tip and tail taper numbers (34cm tip and 20cm tail).

    Most of us find that heavily rounding with a mill bastard file works nicely. Begin to feather about 3-4" from the contact points, so that the edge is "only" dulled by the time you reach the contact points (dull, meaning what you might do with a diamond stone or a very light pass with a file).

    My first two hours on them with the "stock" tune (in chalky snow) had me scratching my head as to what the fuss was all about. I had easy access to the shop at the bottom of the hill (dummy me ... I didn't pack a file in the car), and I borrowed a shop rat's files (tipped him $5.00). The rest of the day (detuned) was great.

    Maybe you still won't like them, but it won't be because they're twitchy.

    ... Thom
    Last edited by galibier_numero_un; 04-14-2021 at 01:53 PM.
    Galibier Design
    crafting technology in service of music

  8. #2083
    Join Date
    Sep 2009
    Location
    in the trench
    Posts
    12,479
    ^^exactly. The taper isnt meant to be carved on so i hit them pretty hard with the file then feather that into the useful carving edge. I find it gives a noce predictable transition into edging the ski

    Sent from my SM-G950W using TGR Forums mobile app

  9. #2084
    Join Date
    Feb 2007
    Location
    Philly, PA
    Posts
    774
    My GPOs were so damn grabby in windjacked snow until filing the tapered tips aggressively. The Q a few years later didn't have this issue.

  10. #2085
    Join Date
    Mar 2007
    Location
    Eugenio Oregůn
    Posts
    7,693

    2018-19 Praxis Skis Info and Resource Thread

    Iím really curious to hear Keithís thoughts on detuning - as, like you other folks Iíd arrived at similar philosophy through trial error and my own sensibilities.

    Since I prefer fast turn engagement up front and easy release in the rear (and Iím not too snobby to care if Iím skidding most of my turns as a result) this has been my process, and I havenít found any detriment to it for my purposes, but Iím also not a charger or racer, just a backseat skier in too-stiff-for-me boots who likes to have as much fun off piste as possible regardless of snow conditions and coverage:
    -From widest point (regardless of camber contact) toward tip and tail Iím completely rounding the edge off with a dremel by making multiple passes to transform the edge into a radius - although from about 2cm in front of/behind the widest point Iím feathering this process so that at the actual widest point the edge is still true, just dull
    -For the tip I make one gentle pass with a coarse stone from the widest point to about 2cm into the sidecut, then a few passes with the gummi - my goal being to have a true edge that is fast to hook up when I pressure it but otherwise not on autopilot
    -For the tail Iím more aggressive, using one gentle pass with a metal file (adding an invisible/soft chamfer that sort of transitions from the rounded edge to the square edge), several passes with the coarse stone, and then a few more with the gummi to about 4cm from the widest point to inside the sidecut - again all feathering so that the transition from factory sharp to true but dull at the widest point then round at the taper is all very smooth and seamless
    -then I put a compact file and the 2 stones into a small pouch and ski with them on as crappy 3D snow as I can find, adjusting as necessary ... I found the last couple of times I nailed the process on the bench and didnít have to adjust in the field once (which also invites the possibility that I overdid it on the bench, but had that been the case I would have also found myself complaining about things being too loose or unable to bite, and I havenít had that problem yet).

    Note that when Iím doing this Iím less concerned about the camber contact points, mostly because where I live itís the variable thick stuff and odd mix of crusts that hooks up most with the ski at the taper sections. If I find the ski isnít drifty enough for me I think Iíd have to evaluate whether itís more sensible to change the base bevel at the rocker zones than to increase the aggressiveness of the detune process above ... but I havenít had to make that choice so far.

    Anyways - like I said really curious to hear Keithís thoughts about detuning off piste skis in particular.
    _______________________________________________
    "Strapping myself to a sitski built with 30lb of metal and fibreglass then trying to water ski in it sounds like a stupid idea to me.

    I'll be there."
    ... Andy Campbell

  11. #2086
    Join Date
    Dec 2014
    Location
    Colorado Front Range
    Posts
    4,311
    I've often pondered a variable base edge bevel as well (not side), but not enough to try it.

    ... Thom
    Galibier Design
    crafting technology in service of music

  12. #2087
    Join Date
    Mar 2007
    Location
    Eugenio Oregůn
    Posts
    7,693
    Quote Originally Posted by galibier_numero_un View Post
    I've often pondered a variable base edge bevel as well (not side), but not enough to try it.

    ... Thom
    In the Blizzard thread, wasatchback (not sure his official role with them) mentioned that their machines had a hard time dialing in the base bevel at the rockered zones of the skis, and recommended hand tuning the bevel there for anyone who found the tip/tail behaved less predictably/smoothly in 3D snow ...

    That statement does leave me to think about a concept where the reverse sidecut zones are rounded edges, the rockered zone inside the sidecut has a heavier base bevel but a true edge (like 2 or 1.5?), and then the contact zones have a lower base bevel (like 1). I donít have time for such experimentation though, Thom please report back next winter
    _______________________________________________
    "Strapping myself to a sitski built with 30lb of metal and fibreglass then trying to water ski in it sounds like a stupid idea to me.

    I'll be there."
    ... Andy Campbell

  13. #2088
    Join Date
    Dec 2014
    Location
    Colorado Front Range
    Posts
    4,311
    Quote Originally Posted by SchralphMacchio View Post
    In the Blizzard thread, wasatchback (not sure his official role with them) mentioned that their machines had a hard time dialing in the base bevel at the rockered zones of the skis, and recommended hand tuning the bevel there for anyone who found the tip/tail behaved less predictably/smoothly in 3D snow ...

    That statement does leave me to think about a concept where the reverse sidecut zones are rounded edges, the rockered zone inside the sidecut has a heavier base bevel but a true edge (like 2 or 1.5?), and then the contact zones have a lower base bevel (like 1). I donít have time for such experimentation though, Thom please report back next winter
    Damn! You did have to throw down the gauntlet now, didn't you ;-)

    ... Thom
    Galibier Design
    crafting technology in service of music

  14. #2089
    Join Date
    Sep 2006
    Posts
    167
    Anybody ski the FRD's??

    Trying to decide what to buy for this year's custom sale. Thinking I'm going veneer FRS. Convince me otherwise...

    Sent from my Pixel 2 using Tapatalk

  15. #2090
    Join Date
    Nov 2006
    Location
    Bellingham, WA
    Posts
    503
    Backcountry is now available in a 185!? Nice!


    Sent from my iPhone using Tapatalk
    Let us so live that when we come to die even the undertaker will be sorry - Mark Twain

  16. #2091
    Join Date
    Jun 2018
    Location
    Portland, OR
    Posts
    937
    Iím in the cue for a 192cm GPO.
    #4 flex, heavy hitter with carbon.
    Maple veneer with the original purple octopus design.

    Man... Well this is my first spring sale and it just dawned on me that itís going to be a long summer of anticipation. Heh.


    ::::::::::::@::::::::::::

  17. #2092
    Join Date
    Mar 2018
    Location
    mammoth
    Posts
    237
    The og purple octopus is the coolest GPO topsheet by a mile, love that one
    aerospace eng with a gravity fetish
    ig


  18. #2093
    Join Date
    Apr 2009
    Posts
    2,882
    Quote Originally Posted by macon View Post
    The og purple octopus is the coolest GPO topsheet by a mile, love that one
    Posted these before but do you mean these...:

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    Will never part with these beauts...!


    Sent from my iPhone using TGR Forums

  19. #2094
    Join Date
    Mar 2018
    Location
    mammoth
    Posts
    237
    1000% yes those are so slick
    aerospace eng with a gravity fetish
    ig


  20. #2095
    Join Date
    Oct 2008
    Location
    Golden, CO
    Posts
    2,261
    I'll throw up mine, inspired by Undertow's
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  21. #2096
    Join Date
    Apr 2009
    Posts
    2,882
    Quote Originally Posted by N1CK. View Post
    I'll throw up mine, inspired by Undertow's
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    Holy shit you trumped me - those are total money... Wood top sheet was not an option and would love a do over... Nicely done...


    Sent from my iPhone using TGR Forums

  22. #2097
    Join Date
    Nov 2016
    Posts
    723
    I'll get in on the octopus party


    Sent from my Pixel 2 using Tapatalk

  23. #2098
    Join Date
    Nov 2003
    Location
    F'n Midwest again
    Posts
    2,320
    Octopus gathering

    Baldy Knoll

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    Aggressive in my own mind

  24. #2099
    Join Date
    Aug 2007
    Location
    Bottom feeding
    Posts
    8,953
    Custom Le Petits w/ GPO top sheet for mini-plug:
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    I need a 105ish underfoot ski and am thinking of a skinny GPO.
    Well maybe I'm the faggot America
    I'm not a part of a redneck agenda

  25. #2100
    Join Date
    Nov 2003
    Location
    F'n Midwest again
    Posts
    2,320
    that skinny GPO has been on my mind for some time as well...
    Aggressive in my own mind

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