Re: [RBW] Re: suggestions for shimmy?

2011-09-07 Thread Ken Freeman
I like that idea, absorb some of the resonant energy present in the loaded rack, which is presumably vibrating. On Wed, Sep 7, 2011 at 12:29 PM, Marc Schwartz wrote: > Dear Nicole &tc > > Perhaps cork or leather fender washers (as sold by Velo Orange, Rene Herse > (Boulder), and others) at the r

RE: [RBW] Re: suggestions for shimmy?

2011-09-07 Thread Marc Schwartz
Dear Nicole &tc Perhaps cork or leather fender washers (as sold by Velo Orange, Rene Herse (Boulder), and others) at the rack mounting bolts would provide sufficient damping to deal with the shimmy, yet allow enough tightening torque on the bolts to prevent them from working loose over time due

Re: [RBW] Re: suggestions for shimmy?

2011-09-07 Thread Ken Freeman
Congrats! I don't think its related to the self-restoring force. That is supposed to be generated in the tire/road contact patch. On Wed, Sep 7, 2011 at 6:33 AM, NME wrote: > Thank you all for your really insightful comments! I tried a few more > things, including some your suggestions -- mad

Re: [RBW] Re: suggestions for shimmy?

2011-09-05 Thread PATRICK MOORE
One of my Rivs shimmied mildly with narrow tires; replacing them with 31 mm Kojacks seems to have put a stop to it -- tho' when I replace the seat wedge with a small front rack bag, it may come back. As Scotty said, the causes are legion. On Mon, Sep 5, 2011 at 9:20 AM, Scotty wrote: > My bike de