[Tagging] bicycle barriers open issue: bicycle trailors

John Sturdy jcg.sturdy at gmail.com
Wed Aug 28 09:35:42 UTC 2013


On Wed, Aug 28, 2013 at 1:58 AM, John F. Eldredge <john at jfeldredge.com> wrote:
> One can tag the maximum width that can fit through, given zero length, and
> can tag the maximum length that can fit through, given zero width, but a
> trailer that has BOTH the maximum length and maximum width will not fit
> through. You can't readily predict in advance whether a real-life trailer
> that comes close to either maximum will fit through without examining the
> chicane.

Yes, even if you micromapped the whole geometry, it's hard to tell how
large an object you can get through the restrictions --- see
http://en.wikipedia.org/wiki/Moving_sofa_problem for an open
mathematical problem related to chicanes!

__John



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