|Topic Review (Newest First)|
|03-10-2013 10:11 AM|
Thanks Wolfie again for the detailed explanation and further insight into the science or resonance and harmonic dampening.
Actually I have routinely bent my ankles as well lately but I omitted mentioning it for simplicity above. This could explain why I am not not getting the amount of chatter I used to be getting. But the aft shift thing is something I have never incorporated into my turns ..... not saying I am able to do it just because I want to. Anyway I should seriously look into this.
Thanks again. Your explanation has been useful.
|03-10-2013 05:05 AM|
For the second type of chatter, I used to get it more than currently with the exact same set of equipment. Maybe I am getting better in bending my knees more. Next time I will see if the aft shift will further eliminate this chatter for me. Thanks again.
But after reading your explanation, I begin to think the second type of chatter may have an element of the first type of chatter (resonance) in it. Does it not?
|03-09-2013 11:29 PM|
When it happens depends on a lot of factors, including:
How fast your going
How soft/stiff the board is
How much dampening the board has
How long the board is
Camber or rocker profile
I've never felt anything but the slightest hint of chatter on my NS F1 at any speed or on any terrain. When it did sort of act like it might want to, it was while at high speed hitting some kind of small bump on really hard packed surface and being flat based. Of course, this is a VERY damp, relatively stiff board, and not full rocker, so I wouldn't expect it to chatter. Now thati think about it, the chatter onset thing started happening a couple of days before broke the nose...maybe that wasn't coincidence.
Other boards, don't have much experience with them, but I would expect it to chatter when flat if on a park style soft rocker with no damping and lots of pop. It's really a question of what you want out of a board.
|03-09-2013 11:05 PM|
Originally Posted by poutanen View Post
|03-09-2013 10:12 PM|
My Raygun (price-point Rocker/Flat/Rocker board) is bad for both types of "chatter". Making sharp turns on tracked out steep blues is murder. My last few times out I've been compensating by bending my knees as low as possible and keeping more weight over my heel edge. Still any little thing can bounce me off my line.
As for that sketchy chatter at speed it is always the worst on the hard pack especially cat tracks (low edge angle or really just edge pressure) where you need to keep speed to make it uphill. I haven't ate it bad yet, but it always feels sketchy as hell.
Can't wait for my new Raptor to get here! Really looking forward to the C/R/C and the damper higher end ride!
Anybody want to buy a 159 Raygun with about 20 days of n00b hammering on it?
Originally Posted by poutanen View Post
|03-09-2013 09:12 PM|
|03-09-2013 02:01 PM|
Seemed totally normal although it's one more thing keeping me from riding a rocker board. I did look down a couple times at my "lifted tip" yesterday and saw that it flaps around a bit on groomers. Only in cruise mode though, once the edge is raised and carving commences it settles right down.
|03-09-2013 08:05 AM|
|t21||yup! you can still get chatter as snowolf says due to edge hold issue. my board (Ride Antic) has slimewalls on them and it sure lessens the chatter on most terrains when it gets bumpy, but when you start skidding when you loose your edge it bucks you off balance|
|03-07-2013 07:57 PM|
Originally Posted by kaborkian View Post
It happens to me on my heelside when I'm trying to do a good solid carve on relatively hardpacked groomers. Instead of biting and carving, the board will slightly lose grip and "chatter" sideways over the surface. It's not a smooth skidded turn, it's a failed attempt at a proper carve with no skidding.
For me the fix was to bend my knees more on my heelside. Don't know why it worked, but it did!
|03-07-2013 07:52 PM|
Chatter is the nose and/or tail of a board rhythmically slapping (that's what she said...) the snow as you ride, generally happens at speed while riding flat based.
The phenomenon is usually a resonance in the board due to the combination of stiffness and dampening, mostly a soft board with little or no dampening.
Take a spork, hold the bid end, and flip the small end with your other hand. It will vibrate. Same thing.
Drive a car with worn out shocks and hit a speed bump, same thing.
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