New Posts  All Forums:Forum Nav:

Tuning the Bonafide

post #1 of 13
Thread Starter 

Has anyone experimented with the tune of the Bones?  What has your experience been - that is, what seems to help or hinder the performance of the Bonafide?  I need to do a base repair and grind on mine soon (the Canadian Rockies are aptly named) and was wondering about what changes, if any, I might want to make.  Thanks in advance.

post #2 of 13
Quote:
Originally Posted by canadianskier View Post

Has anyone experimented with the tune of the Bones?  What has your experience been - that is, what seems to help or hinder the performance of the Bonafide?  I need to do a base repair and grind on mine soon (the Canadian Rockies are aptly named) and was wondering about what changes, if any, I might want to make.  Thanks in advance.


I have had a Bonafide for 11 months and tuned them a fair bit. Tuning is preference and within reason.......nothing more.

 

So...........2 questions. Be specific in your answers to both questions.

 

1) Are you skiing the factory tune, or if not what tune do you have on it?

2) In what area would you like to improve on the way it handles various conditions?

 

 

 

 

SJ

post #3 of 13
Thread Starter 


 

Quote:
Originally Posted by SierraJim View Post

 

1) Are you skiing the factory tune, or if not what tune do you have on it?

2) In what area would you like to improve on the way it handles various conditions?

 


1.  Started with factory tune first day and found that tune to be a bit catchy, especially in the tails.  Second day sharpened with an 2 degree edge - no change to base bevel from factory and detuned the tips and the tails.  Skied with them like that since then and like the performance better in the bumps - not as catchy in the tails.   

 

2.  Not sure that I want to improve handling in any specific conditions per se, as conditions will vary a lot.  I was just wondering what others had found and then consider tweaking the tune as I want to have a base grind anyway. 

 

post #4 of 13

I'm very happy with 1-and-3, but it's all been man-made snow for me so far.  If I can trust my guides, these are the factory angles.  I don't detune tips/tails on any of my skis.

post #5 of 13
Quote:
Originally Posted by canadianskier View Post


2.  Not sure that I want to improve handling in any specific conditions per se, as conditions will vary a lot.  I was just wondering what others had found and then consider tweaking the tune as I want to have a base grind anyway. 

 



I think you answered your own question as it sounds like you have a tune that works for you.

 

FWIW...............I think that the base angle on Blizzi's factory tune is a bit flat and they are usually very sharp out of the wrapper. I think that on a ski like a G-Power or Mag 7.6, I'd probably leave it alone. On my Bonafides, I pulled the base with a 1* file guide and got quite a bit of metal (indicating that the original angle was maybe .5 or .7). I pulled the sidewall and used a 2* guide on the sides. I did quite a bit of polish work in the rockered area with 600 grit paper and took the "shaving" edge out of the rockered area as well.

 

Works for me but of course what works for you may be entirely different.

 

SJ

post #6 of 13
Thread Starter 

Thanks for the input

post #7 of 13

Jim, I'm curious about your tuning in the rocker area.  What did you do with the 600 grit paper?  Just shine up the edges? 

 

Start Haus tuned mine with a 2/1 before sending them to me and I've skied them twice.  Do you recommend dulling the rocker area?

 


 

Quote:
Originally Posted by SierraJim View Post



I think you answered your own question as it sounds like you have a tune that works for you.

 

FWIW...............I think that the base angle on Blizzi's factory tune is a bit flat and they are usually very sharp out of the wrapper. I think that on a ski like a G-Power or Mag 7.6, I'd probably leave it alone. On my Bonafides, I pulled the base with a 1* file guide and got quite a bit of metal (indicating that the original angle was maybe .5 or .7). I pulled the sidewall and used a 2* guide on the sides. I did quite a bit of polish work in the rockered area with 600 grit paper and took the "shaving" edge out of the rockered area as well.

 

Works for me but of course what works for you may be entirely different.

 

SJ



 

post #8 of 13
Quote:
Originally Posted by nwjg View Post

Jim, I'm curious about your tuning in the rocker area.  What did you do with the 600 grit paper?  Just shine up the edges? 

 

Start Haus tuned mine with a 2/1 before sending them to me and I've skied them twice.  Do you recommend dulling the rocker area?

 



I take the 600 grit paper and wrap a very flat backing plate like say a fine diamond stone, ceramic stone or a very flat true bar with about two wraps of the paper. Then I'll polish the side edge and the base edge with it. I may then take the 600 grit without the backing plate and run a light pass right on the edge. This doesn't really dull it very much, just enough to take the shaving edge off of the tip rockered section. I'll leave the shaving edge in the cambered and part of the tail rockered section.

 

Tuning is all about preferences though so what I do for myself isn't necessarily best for anyone but me.

 

SJ

post #9 of 13
Thread Starter 

finally had a chance to ski the Bones with a new tune (it was close to 30 below last week - too cold to ski).  I had a little damage to the bases so I had a grind with 0.7* base and 2* edge.  Detuned the tails about 3 inches and left the tips sharp.  I like this better than the factory grind.  The skis still hold quite well on hard pack, but ski is less likely to feel catchy on large hard bumps.  Easier to release when needed, but also bites well with angulation.

post #10 of 13

Detuning the tips and tails is really all that's necessary to make the skis a little more versatile.  That's all we do to the Mag test skis, pull em out of the wrapper and detune anywhere from 3 to 6 inches of the tip and tail section.  I just use a diamond stone or gummy stone to detune them.  If you were just to go arc groomers then the tune is fine out of the wrapper but to make the skis more versatile, especially in bumps or off groomed detuning the ruckered section just makes it easier to skid the skis or get the tails to release when you're not tipping them up at high edge angles and arcing.   If you want a little more drift or don't ski on firm snow that often you can add a little more base bevel to them.  The Blizzards with metal are all pretty torsionally stiff so they tend to feel strong or positive to some people especially if you're coming off skis without metal in them.  Adding a bit more base bevel will lessen that feeling. 

 

Like Jim said it's all personal preference though.  

post #11 of 13
Thread Starter 

Thanks Wasatchback.

 

Just out of interest, what are the factory grind angles?

 

 

post #12 of 13
1* base
3* side
post #13 of 13

Starthaus tuned mine to 1/2 before I skied them and they handle pretty well in most conditions, I keep them sharp tip to tail.  I have wondered about trying a .7/3 though.  Because of their size, it is a long way edge to edge and if it is icy, it takes a pretty steep angle before you feel a confident "hook-up".   It is REALLY easy to pivot them if they are at all flat.

 

Can anyone comment on a .7/3 on these?

New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Ski Gear Discussion