Re: L2-"Negotiating" a curve.

[Chuck Britton <britton@ODIE.NCSSM.EDU>]

I had a WONDEROUS chain drive tricycle and it didn't have a differential.


At 5:09 PM -0600 11/4/99, Arlyn DeBruyckere wrote:
> and for Leigh:
>
> >The differential was invented a very long time ago and was applied
> >to tricycles long before the transistor was invented, even before
> >I was born!
>
> Leigh
>
> I am quite aware of the differential but unless you have different tricycles
> than I've seen this doesn't apply.  I've never seen a commercial
> tricycle with a
> differential - they all have solid axles with one gear attached to a chain
> attached to another gear attached to pedals.  Even with a differential there
> would be some "slip" as the tires twisted on the vertical axis (unless you are
> going to consider the ideal situation where only one point of the tire is in
> contact with the road).

       Tire people call this 'squirm',
       when the contact patch is forced to twist on the roadway.

> Enough for tonight - time to go home.  I've been here 11.5 hours already.
> --
> Arlyn DeBruyckere
> Hutchinson High School

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Chuck Britton                                   Education is what is left when
britton@odie.ncssm.edu                          you have forgotten everything
North Carolina School of Science & Math         you learned in school.
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