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    Mar 2, 2007 5:55:33 PM

    Alan(NJ)
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    Alan(NJ)
    Loc: Paramus NJ USA
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    Registered on: Mar 29, 2002

    more about nitrogen

    here's what the nitrogen industry is saying about the benefits of nitrogen inflation of tires:

    http://www.getnitrogen.org/index.php

    you can decide whether it's real

    Mar 2, 2007 6:45:07 PM

    MMD
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    MMD
    Loc: usa
    Posts: 9652, Gallery
    Registered on: Dec 16, 2004
    Reply to: Alan(NJ)

    Re: more about nitrogen

    Nitrogen, because it leaks out more slowly, is good for people like my wife and mother. They never think about tire pressure; they only add air when the tires look flat.

    That stuff about better gas mileage ONLY applies to people who have a tendency to neglect their tire pressure.

    That safety thing ONLY applies to people who neglect their tire air pressure.

    That anti oxidation only applies to car museums and people who never drive their cars.

    Nitrogen is good for service stations who get people to keep coming back for more nitrogen: they can find something "wrong" with the car that needs fixing.

    Water inside the wheel/tire? NEVER had a problem with that in about 120 years of car ownership (multiple cars owned at one time).

    The heat transfer thing applies only to serious race cars. The freezing water thing applies to commercial aircraft. The specialized characteristics of nitrogen-filled tires applies to specialized uses. In _my_ world "specialized use" would be for the dummies who can't keep air in their tires.

    So for the average car guy, especially one with a TPMS equipped car, nitrogen is hogwash.


    Nitrogen: introduce a product on a new market and invent why people _need_ it.

    Mar 2, 2007 7:34:58 PM

    roadtrip
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    roadtrip
    Loc: new mexico, usa
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    Registered on: May 31, 2006
    Reply to: MMD

    Re: more about nitrogen

    the number one reason i went with a home nitro tire filling deal was to forever never have to go to a convenience store / dirt bag hang out / gastation ever again for tire air and thus permanently avoid both the general level of ambiance and joy of seeing that once again the free air station is inoperative for any number of reasons....not missing any of it yet

    Mar 2, 2007 7:49:21 PM

    MMD
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    MMD
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    Registered on: Dec 16, 2004
    Reply to: roadtrip

    Re: more about nitrogen

    Quote:
    roadtrip said:
    the number one reason i went with a home nitro tire filling deal was to forever never have to go to a convenience store



    Aw Gee Buddy,

    You gotta go to Home Depot and get yourself an air compressor. They have lots of uses; they take care of all sorts of problems. Check out the tools you can get, other than the tire/valve stem fitting, most important is the blower nozzle.



    Sorry..., don't want to hijack thread.

    Mar 2, 2007 11:32:50 PM

    FSU-997TT
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    FSU-997TT
    Loc: Florida , United States
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    Registered on: May 29, 2005
    Reply to: MMD

    Re: more about nitrogen

    One good thing is Nitrogen is very dry, so there is no potential for corrosion of TPMS sensors.

    Mar 2, 2007 11:52:49 PM

    MMD
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    MMD
    Loc: usa
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    Registered on: Dec 16, 2004
    Reply to: FSU-997TT

    Re: more about nitrogen

    No need to worry about sensor corrosion. They have to be replaced every seven years because battery can't be changed. Anyway they're built to take extreme conditions (see below).

    Here's the website.

    http://www.beru.com/english/produkte/tss.php

    Here's what they say about the units in each tire.

    Mar 3, 2007 6:16:31 PM

    roadtrip
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    roadtrip
    Loc: new mexico, usa
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    Reply to: MMD

    Re: more about nitrogen

    sorry i didnt realize it was possible to buy an air compressor...my bad

    Mar 3, 2007 7:20:13 PM

    MMD
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    MMD
    Loc: usa
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    Registered on: Dec 16, 2004
    Reply to: roadtrip

    Re: more about nitrogen

    Quote:
    roadtrip said:
    sorry i didnt realize it was possible to buy an air compressor...my bad



    Oh yeah. Get one it'll "change your life." You can blow up kids' toys; blow out water from wheels and brakes; cool drill bits under load; cool down hot glue fast; blow dust off air filters, clothes, sanded wood; air ratchets, polishers, grinders, chisels (need somewhat larger capacity for these); uses are endless... . GO FOR IT!

    Mar 3, 2007 8:46:34 PM

    nielsll
    Newbie
    nielsll
    Loc: Chicago
    Posts: 3, Gallery
    Registered on: Mar 17, 2006
    Reply to: Alan(NJ)

    Re: more about nitrogen

    The reason for using nitrogen over compressed air is that bottled nitrogen gas is completely dry. This results in more stable and uniform hot and cold tire pressures (esp. desirable for those that track their cars). The partial pressure of the water vapor is the bad actor in the use of compressed air. nitrogen is also relatively inert at the temperatures achieved in this application. Also appropriate for use in this application is CO2 which has the added benefit of being more easily stored and transported.

    Mar 3, 2007 9:27:25 PM

    MMD
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    MMD
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    Reply to: nielsll

    Re: more about nitrogen

    Heck, if you have argon in your TIG or MIG welder outfit, you can use that to inflate, and keep inflated, your tires.

    Mar 4, 2007 10:01:19 PM

    W8MM
    Rennteam Master
    W8MM
    Loc: Cincinnati, OH , United States
    Posts: 3998, Gallery
    Registered on: Aug 8, 2003
    Reply to: roadtrip

    Re: more about nitrogen

    Quote:
    roadtrip said:
    the number one reason i went with a home nitro tire filling ...



    Please describe your home N2 setup.

    I'm quite interested.

    Mar 4, 2007 11:39:17 PM

    ADias
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    ADias
    Loc: Southwest USA , United States
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    Registered on: Apr 9, 2004
    Reply to: W8MM

    Re: more about nitrogen

    I suspect it is a pressurized tank that he refills periodically at N2 station.

    I'm also interested in learning about the transition from tires filled with air to N2. How much air is left in the tire? How do you extract the air? is it safe to open the valve and let the tire drop? and is that enough, as there will be residual air? and won't that kill the sidewalls?

    Mar 5, 2007 12:03:57 AM

    MMD
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    MMD
    Loc: usa
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    Registered on: Dec 16, 2004
    Reply to: ADias

    Re: more about nitrogen

    Quote:
    ADias said:
    I suspect it is a pressurized tank that he refills periodically at N2 station.

    I'm also interested in learning about the transition from tires filled with air to N2. How much air is left in the tire? How do you extract the air? is it safe to open the valve and let the tire drop? and is that enough, as there will be residual air? and won't that kill the sidewalls?



    Never allow sidewalls to get crushed.

    Jack car up to take some weight off tire.

    Let air out.

    Preferably do this when tire is really hot to get as much of the "dreaded" water out of the tire as possible.

    Keep in mind air is mostly nitrogen anyway. The amount of "dreaded" oxygen left in tire will be very small (especially because it is now at atmospheric pressure).

    Fill with nitrogen.

    You can get your own cylinder of nitrogen at gas/welding supplies outfits. Will need valve and regulator, also have to buy the tank.

     
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