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Old 09-21-2011, 10:04 AM   #11 (permalink)
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Quote:
Originally Posted by Lakota View Post
Guessing, Kathy, but in the absense of proof to the contrary I wonder if this isn't a true case of "it's not the bike, it's the rider."
Muscle memory and the inner ear. You become so accustomed to the movement of the bike that it feels weird when it stops.
Like I said, just a guess.
I don't think that there is any law of physics that dictates a wobble to the bike.
Your body, however, expects to continue doing what it's been doing. . . ?
-john
...THIS.../\...everything else is just speculation

...ever been on a boat and then back on land and you still feel you are on the boat..swaying back and forth?...
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Old 09-21-2011, 11:21 AM   #12 (permalink)
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I'd go ahead and check everything out considering it's all fairly simple things. Eliminate the mechanical then...check your own self. Though I can't imagine you would be doing maneuvers for such a distance and time that you would get the "just took my roller skates off" effect.
One should "check" bolt torque on a bike on a regular schedule anyway. Since I ride so much gravel/minimum maintenance roads I check everything on a regular basis due to the vibration.
You might have someone else ride it and see if they are getting the same feeling.
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Old 09-21-2011, 11:24 AM   #13 (permalink)
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Kathy, before tearing things apart, it might be your tires. (a) all tires wear a little unevenly and (b) if you have run the bike any distance with an under inflated front tire it will develop scallops. We have noted that new 880s track with no wobble. After about 1/2 tire life, they all wobble hands-off at about 35-40 mph with the severity varying widely from barely noticeable to bothersome. 'Head Flop' varies by bike model/rake and more floppiness accentuates tire wobble. PS: pavement is not perfectly even either.

Jez my $0.02
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Old 09-21-2011, 03:00 PM   #14 (permalink)
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...ever been on a boat and then back on land and you still feel you are on the boat..swaying back and forth?...
Yeah, but that's from the rum.
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Old 09-21-2011, 03:13 PM   #15 (permalink)
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Kathy....smokin' that wacky-tabaccy again?

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Old 09-21-2011, 03:21 PM   #16 (permalink)
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Originally Posted by markspike View Post
Kathy....smokin' that wacky-tabaccy again?

Again? Didn't know she quit!
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Old 09-21-2011, 03:37 PM   #17 (permalink)
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Kathy....smokin' that wacky-tabaccy again?

Yeah, but that's from the rum.
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Old 09-21-2011, 03:37 PM   #18 (permalink)
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Again? Didn't know she quit!
Yeah, but that's from the rum.
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Old 09-21-2011, 07:37 PM   #19 (permalink)
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Originally Posted by simpleman77 View Post
Yeah, but that's from the rum.
...and you have had too much sir!...

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Old 09-21-2011, 09:25 PM   #20 (permalink)
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Quote:
Originally Posted by Kathy M View Post
I understand the gyro effect, it's actually really cool. ..
Any thoughts? Perhaps some physics involved that I don't know about, or a problem I haven't thought of? Thanks!!
So I hate to break this to everyone, but the gyro effect is not what keeps a bike upright. In fact, science cannot explain it at all...

Revisiting bicycle physics Cyclelicious

No idea on the wobble!

Doc

Last edited by Doc Moore; 09-21-2011 at 09:32 PM.
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