From: Chris Davis (cdavis@webworldinc.com)
Date: Fri Aug 15 2003 - 09:38:57 PDT
>Date: Fri, 15 Aug 2003 09:38:24 -0700
>To: Ryan M Gill <rmgill@mindspring.com>
>From: Chris Davis <cdavis@webworldinc.com>
>Subject: Re: [MV] Note on Radials...
>
>I'm not an expert by any means, and would like to hear from those on the
>list with better credentials/experience than I, but as I understand it....
>
>Running any tire at low pressure at todays freeway speeds (admit it guys,
>most of us hit and maintain 75mph on the freeway... if not higher where
>the speed limit is actually 75) will cause the tire to quickly heat up via
>the friction created from the flexing motion of the sidewall. This is why
>a flat tire comes apart so quickly.
>
>Radials (or bias) run at low pressure and LOW speeds (IE: most off road
>use... unless you race Baja type vehicles) shouldn't experience the rapid
>flexing of the sidewall and resulting heat damage. I ran the 11:00 x 16"
>radials on my M37 for years without any issues.
>
>As for the recent roll over law suites... I think the higher weight and
>center of gravity of a SUV/4x4 make them less forgiving at high
>speed. Use to be that civilian 4x4's were closer to their military
>heritage and traveled down the freeway at a more conservative speed. Up
>the anti by 25 or 30mph and I bet we'd all have fun controlling one in a
>blow out situation.
>
>My .02
>
>Chris Davis
>MVPA# 20000
>Lake Elsinore, CA
>
>At 11:46 AM 8/15/03 -0400, you wrote:
>>At 10:40 AM -0500 8/15/03, Rikk Rogers wrote:
>>>Keep in mind that you can't run radials with low pressure, they will
>>>separate!
>>>If you run them on a 4+WD you lose the ability to drop pressure in snow or
>>>sand and still be safe, as Ford found out in the rollover fiasco.
>>>We never got the truth on that one due to the "off-road radial" market.
>>
>>I'd expect tires to fail if you run them at high speed while at low
>>pressures. As weight goes up, tire pressure becomes more critical.
>>Increase the speeds and you're adding more problems.
>>
>>I'm not going to say the folks in those rollovers got what they deserved,
>>but I'm more inclined to say driver error was a significant factor then
>>they're willing to admit.
>>--
>> Ryan Gill rmgill@SPAMmindspring.com
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>> | O--=- | | | /_8[*]°_\
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>> _w/|=_[__]_= \w_ // [_] o[]\\ __|O\ /O_|_
>> |: O(4) == O :| _Oo\=======/_O_ |_41_\ /____|
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>> |/|\ /|/| |/|/F 48582\|/| |/|-\| |/-|/|
>> |/|=\______/=|/| |/|=|_____|=|/| |/|--|_____|--|/|
>> |/| |/| |/| |/| |/| |/|
>> '60 Daimler Ferret '42 Daimler Dingo '43 Humber MkIV (1/2)
>>----------------------------------------------------------
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