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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Nitrogen anyone? /cgi-bin/YaBB.pl?num=1348334502 Message started by stewmills on 09/22/12 at 10:21:42 |
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Title: Nitrogen anyone? Post by stewmills on 09/22/12 at 10:21:42 So who's up for nitrogen in your tires? According to the experts at every national oil change outfit the benefits are endless. Better gas mileage, less frequent air pressure checks because it stays in the tires longer, less condensation and pressure fluctuations with temperature variances (which is VERY important to me because I am installing wings and a vertical stabilizer on my bike next week and planning to fly my bike up to about 20K feet and I certainly don't want my tire pressure to have any variance up there in case I want to land and ride around on a cloud or two). Sounds like we all need to give this some serious thought. |
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Title: Re: Nitrogen anyone? Post by Serowbot on 09/22/12 at 11:11:02 Seeing as regular air has 78% nitrogen,.. and theoretically the oxygen leaks out faster than the nitrogen,... if you're tires are more than a year old, I'd guess they're mostly nitrogen by now anyway... :-?... You'd think my slow leak in the front tire would have gone away by now... with all that nitrogen in there...:-?... |
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Title: Re: Nitrogen anyone? Post by justin_o_guy2 on 09/22/12 at 13:55:20 392F38253D28253E4A0 wrote:
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Title: Re: Nitrogen anyone? Post by Cavi Mike on 09/22/12 at 16:03:56 Unless you race or drive long-haul, you're not gonna notice a difference between nitrogen and air. I'm also not sure what that comment about riding on clouds was about. |
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Title: Re: Nitrogen anyone? Post by rfw2003 on 09/22/12 at 16:15:53 7755425D795D5F51340 wrote:
I use Nitrogen in my cage tires and while I didn't notice a diff in fuel mileage I did notice better tire wear and also I only have to redo the air pressure about once a year. So the benefits are there for more then just OTR drivers and racers R.F. |
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Title: Re: Nitrogen anyone? Post by justin_o_guy2 on 09/22/12 at 16:38:22 My wifes Pontiac vibe came to us w/ nitrogen in them. After about a year I had to air some up. After that, it was more often, I like nitrogen in tires, but then, Id like a vette in the driveway,, I cant afford that either, |
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Title: Re: Nitrogen anyone? Post by Greg-E on 09/22/12 at 18:39:57 2E3A2B6E6C6C6F5C0 wrote:
I use Nitrogen in my cage tires and while I didn't notice a diff in fuel mileage I did notice better tire wear and also I only have to redo the air pressure about once a year. So the benefits are there for more then just OTR drivers and racers R.F.[/quote] And with good wheels and tires I only have to use regular air in one set of wheels/tires on my car once a year. If you are racing it is easier to compute the pressure change from temperature of a "pure" gas vs. the mixed regular air. Buying a nitrogen fill is a huge scam, if it is free then there is no problem. If you really want better performance, put a dryer on your air line before airing up, the moisture is the worst part and makes the pressure increase with temperature much bigger since the water expands more than the gasses. |
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Title: Re: Nitrogen anyone? Post by stewmills on 09/22/12 at 20:23:14 6446514E6A4E4C42270 wrote:
Aircraft tires (at least the Cessna's I flew in flight school) were nitrogen filled. Since you have low temperatures and less pressure at altitude thus temperature fluctuations from down here to up there, having nitrogen in the tires is an attempt to eliminate most moisture thus eliminates condensation from the quick temperature changes when descending to land as well as the potential for water vapor to freeze in the tires when climbing to high altitudes. All that said, I was just making a silly reference that I was turning my motorcycle into an airplane (...landing on a cloud...) and the nitrogen would therefore be necessary. :o |
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Title: Re: Nitrogen anyone? Post by HondaLavis on 09/22/12 at 21:41:29 All Army aircraft use only pure nitrogen in their tires, and I'm fairly certain it's a standard across aviation. They undergo a lot of friction and heat when coming in for a roll-on, so it would be necessary to reduce expansion. Not so sure we would really benefit from it, though. |
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Title: Re: Nitrogen anyone? Post by Cavi Mike on 09/22/12 at 23:07:45 I'm pretty sure that has to do with the temperature being -30 at cruising altitude and not because of the heat generated during a landing. |
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Title: Re: Nitrogen anyone? Post by Gyrobob on 09/23/12 at 17:40:14 They should use hydrogen in aircraft tires. Free lift,.. no drag,.. no oxygen to corrode anything. Just don't get them near a spark. My car has nitrogen-filled tires. I have to put in a little bit every few months. My ex-girlfriend's car just has plain old tires on cast aluminum wheels. Three out of four of them go for a year or two without changing pressure. The fourth needs to be topped off every month or so. |
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Title: Re: Nitrogen anyone? Post by Serowbot on 09/23/12 at 18:11:34 Pretty sure those are nitrogen filled... :-?... 6146474D4865485F405A290 wrote: |
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Title: Re: Nitrogen anyone? Post by Savage_Rob on 09/24/12 at 15:28:58 Yeah, I think the nitrogen is supposed to help prolong the life of the tire by not oxidizing the inside as well as not leaking through the pores of the rubber. I tried it on several vehicles and found no difference in how often tires need to be slightly topped off. So far as the oxidation goes, I'm pretty sure my tires get more weather and wear on the outside anyway and the inside is not going to be a problem. I just use air. |
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Title: Re: Nitrogen anyone? Post by Mikecool5 on 09/24/12 at 16:33:50 I used to work at a quick lube place that offered this and they were laughing all the way to the bank ;) |
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Title: Re: Nitrogen anyone? Post by HondaLavis on 09/24/12 at 19:35:51 426077684C686A64010 wrote:
That might be the case with a passenger airliner, but helicopters don't go to nearly the same altitude. Temperatures drop approximately 3.5 degrees Fahrenheit per 1000 ft. The only time we'd see those temperatures is the dead of winter around 5,000+ ft - a rather uncommon altitude for us. However, during a roll-on landing the brakes can get glowing red hot, easily heating up the surrounding area. How do I know all of this? My office is that window with the gun sticking out... 8-) http://4.bp.blogspot.com/-DiV5w8t-7Hs/T9pEzQMHO9I/AAAAAAAAIss/Vt5XBVhyYqY/s1600/UH-60+Black+Hawk.jpg |
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Title: Re: Nitrogen anyone? Post by Dave on 09/25/12 at 04:49:01 Nitrogen has a lower coefficient of expansion during temperature changes, has no oxygen or moisture to promote the rusting of steel chords. Airplanes use it for safety reasons - race cars use it for less pressure change when the tires get hot. There is little benefit or reason to use it in car or motorcycle tires......you will wear you tires out or the sun and ozone will deteriorate the ouside of the tire long before it falls apart on the inside. It is a sales promotion kind of thing to try and win a customer that might go elsewhere. As someone previously posted - air is already 78% nitrogen and the remaining 22% has little affect on tires we use to commute. |
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