Re: Contact patch....

[Richard Welty <rwelty@domain.elided>]

On Fri, 22 Nov 2002 09:41:32 +1300 Mark Battley <m.battley@domain.elided> wrote:
> Of course it's not quite that simple, there is a whole lot more going on
> at
> the contact patch, and how it deforms under the dynamic loads makes a big
> difference. 

for a detailed discussion, see Milliken & Millken, _Race Car Vehicle
Dynamics_, Society of Automotive Engineers.

be forwarned: this is a graduate engineering textbook and has some serious
mathematics in it (various types of differential equations.) there are
numerous spots where i didn't attempt to follow the derivations but just
tried to grasp the overall logic.

Bill Milliken (the coauthor is his son, Doug Milliken) built the
first modern tire testing systems at the Cornell Aeronautical Laboratory
in the late 40s and early 50s. he was also the author of the supplemental
regulations for the first Watkins Glen Grand Prix (1948, the first SCCA
road race) and has a corner on the first Watkins Glen race course named
after him (he rolled his bugatti there during the 1948 racing activities).

a very nice gentleman, he gave an excellent presentation on the early years
of SCCA racing at an SCCA meeting in Buffalo some years back. he held SCCA
competition license number 6 because he was sitting at the far end of the
table at the meeting where the first 6 were handed out.

richard
--
Richard Welty                                         rwelty@domain.elided
Averill Park Networking                                         518-573-7592
              Unix, Linux, IP Network Engineering, Security
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