Mayf;
Sounds interesting. I'll see you there.
Joline and I are flying to SLC early tomorrow morning so if anyone wants to
beat me up over my harebrained theories, I'll be there Friday afternoon.
Regards, Neil Tucson, AZ
-----Original Message-----
From: DrMayf [mailto:drmayf@teknett.com]
Sent: Wednesday, August 13, 2003 10:15 AM
To: land-speed@autox.team.net
Subject: Re: Bonneville Request
Sorry, Dave. Nothing at all that sophisticated. I have just a weighted
sled, shod in michelin tire rubber. My little fixture has a can on it into
which I will pour sand. When the sled moves, I weigh the sled and it's
add-on weight and the pull load (tow). Then simply divide the tow load by
the sled weight. Salt static coefficient of friction results. Requiring
less tow load during the day should be a measure of moisture in the salt and
should result in a lower CoF. Why don't your or some of the others bring
the tools to measure hardess and/or actual moisure content. We certainly
disagree on the driving up hill: to me that would be true if the salt were
like a beach sand but even at Daytona which is sand, I think the cars just
hydroplane over the salt using the loose salt as the medium on which the
tire floats. But hey, that's just me!
As I said, this is rough science, and all I am going to do is find the
static coefficient of friction. And given that, you can program your foot
to make the torque/rom curve match the capability of the coeficient and do
some corner weighting on the drive wheels.
But, that is my own personal pet theory and nobody else should bother with
it. Don't want anyone to take this too seriously.
mayf
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