On 31/7/2007 6:40 PM, Michel Jullian wrote:
> I'll try one last thing to help you out of this heresy, I would prefer if you characterised it as unorthodox rather than as heretical. > imagine that the brake > consists in sliding a two prong fork over one of the spokes, with the prongs > infinitely close to the spoke but _NOT touching it_. With the brake as > specified, would you still expect a tension to change somewhere in the wheel > when you slide the fork in and out? I wouldn't expect it, but your example only shows that a touching brake is essential. Harry

