Date: Thu, 20 Sep 2007 09:46:56 -0500
Reply-To: John Rodgers <inua@CHARTER.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: John Rodgers <inua@CHARTER.NET>
Subject: Re: Michelin Agilis Tires
In-Reply-To: <46F27084.60004@verizon.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I agree totally. In fact, any moisture in a pressurized environment is
far more corrosive and chemically active than when in a more benign
environment.
John Rodgers
88 GL Driver
-------- wrote:
> Well for the reasons they stated, it may be bogus, but not
> for other reasons. Any gas, the does not inclued oxygen,
> or water, will help keep the rim from rusting of corroding, and
> pervent leaks at the bead. AL or steel, they all have
> problems over time at the bead.
>
> John Rodgers wrote:
>
>> Frank,
>>
>> That's bogus! It's a marketing ploy by Costco.
>>
>> Gases - nitrogen or otherwise - all follow the "Ideal Gas Law". This law
>> - oft stated in chemistry and physics - is comprised of three other laws
>> - Boyles Law, Charles Law, and Gay-Lussac's Law. A fairly comprehensive
>> and easy to read summary of these laws is found in Wikipaedia. The
>> inside volume of the tire remains constant, so as temperature changes,
>> whether from the weather or from rolling friction on the road, the
>> pressure will change. The case for nitrogen being used in the Agilis
>> tire is that it is a very dry gas - no entrained moisture - and being a
>> relatively inert gas, it reduces the tendency of the tire to rot.
>>
>> BTW, I'm soon to need new tires, and the Agilis is my choice for the
>> next set.
>>
>> Regards,
>>
>> John Rodgers
>> 88 GL Driver
>>
>> Frank Condelli wrote:
>>
>>> In a message dated 20/09/2007 6:15:56 A.M. Eastern Standard Time,
>>> WHalsey@sya.org writes:
>>>
>>> Why nitrogen? I have never heard of that.
>>>
>>>
>>>
>>> Because that's what COSTCO is doing. The pamphlet I got from COSTCO
>>> says:
>>> Nitrogen helps stabilize a tire's inflation pressure.
>>>
>>> Cheers,
>>>
>>> Frank Condelli
>>> Almonte, Ontario, Canada
>>> '87 Westy & Lionel Trains (_Collection for sale_
>>> (http://members.aol.com/Fkc43/trainsal.htm) )
>>> _Frank Condelli & Associates_
>>> (http://members.aol.com/Fkc43/busindex.html)
>>> - Vanagon/Vanagon Westfalia Service in the Ottawa Valley
>>> _Vanagon Stainless Steel Exhaust Systems_
>>> (http://members.aol.com/Fkc43/stebro.htm)
>>> _BusFusion_ (http://members.aol.com/BusFusion/bfhome.htm) a VW Camper
>>> camping event, Almonte, ON, June 07 ~ 10, 2007
>>>
>>>
>>>
>>
>>
>
>
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