Where's the Xenon gas station? -Kyle KK
On Sat, Jul 18, 2009 at 12:33 PM, Dennis <[email protected]> wrote: > If this conversation is carried to its final extreme, then Xenon gas is > what everyone really wants - if cost is no object. > > It is a noble gas so it reacts, literally, with nothing. And it is the > heaviest element that is in gaseous form at room temperature so its physical > size is huge compared to lighter elements like Oxygen and Nitrogen so it > should migrate out slower than almost anything else. > > Sorry <smile>, too many Chemistry classes at an earlier point in my life. > > Dennis G. > - Seattle > - '85 & '86 CB700SCs > > -----Original Message----- > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Kyle Munz > *Sent:* 18 July, 2009 10:21 > *To:* [email protected] > *Subject:* [Nighthawk Lovers] Re: Nitrogen in tires > > Nitrogen is totally inert, it won't explode, and theory has it that it > won't corrode the metal or rubber in the wheels and tires. Since it's a > larger molecule it's also reckoned that it will leak out slower than the > smaller oxygen and other molecules in regular air. Consumer Reports did an > experiment on it and found that it had no noticeable affect however. Others > have also pointed out that if oxygen molecules leak out at a higher rate > than nitrogen molecules, then over time you should have mostly nitrogen in > your tires due to attrition. > > -Kyle > -Sent from Houston, TX, United States > > On Sat, Jul 18, 2009 at 12:14 PM, Torry Barker > <[email protected]>wrote: > >> I have a question for ya, is nitrogen likely to explode or am I thinking >> of something different? >> >> ------------------------------ >> *From:* Gene Henry <[email protected]> >> *To:* [email protected] >> *Sent:* Saturday, July 18, 2009 10:29:02 AM >> *Subject:* [Nighthawk Lovers] Nitrogen in tires >> >> Also, the molecule size of nitogen is larger than that of air, so less >> leakage, and nitrogen is dryer than normal air, so less reaction and >> pressure change. >> >> For more than you ever wanted to know, goggle "nitrogen in tires" (602,000 >> hits!) Lots of pros and cons. >> >> this from: *POPULAR MECHANICS* >> http://www.popularmechanics.com/automotive/how_to/4302788.html >> >> *Q: Is there any advantage to using nitrogen instead of compressed air in >> tires? Will I notice improved fuel economy or a smoother ride? Will my tires >> last longer?* >> >> *A:* Sort of. From the top: Air is 78 percent nitrogen, just under 21 >> percent oxygen, and the rest is water vapor, CO2 and small concentrations of >> noble gases such as neon and argon. We can ignore the other gases. >> >> There are several compelling reasons to use pure nitrogen in tires. >> >> First is that nitrogen is less likely to migrate through tire rubber than >> is oxygen, which means that your tire pressures will remain more stable over >> the long term. Racers figured out pretty quickly that tires filled with >> nitrogen rather than air also exhibit less pressure change with temperature >> swings. That means more consistent inflation pressures during a race as the >> tires heat up. And when you’re tweaking a race car’s handling with half-psi >> changes, that’s important. >> >> Passenger >> cars<http://www.popularmechanics.com/automotive/how_to/4302788.html#>can >> also benefit from the more stable pressures. But there’s more: Humidity >> (water) is a Bad Thing to have inside a tire. Water, present as a vapor or >> even as a liquid in a tire, causes more of a pressure change with >> temperature swings than dry air does. It also promotes corrosion of the >> steel or aluminum rim. >> >> If I ever need to top off a tire when I’m out on the road, I’ll always >> briefly depress the tire chuck’s valve with my thumbnail and vent some air. >> If my thumb gets wet, there’s water in the line. Some gas >> stations<http://www.popularmechanics.com/automotive/how_to/4302788.html#>don’t >> do a very good job of keeping the humidity out of their air system. I >> don’t even like to use a water-based tire-mounting lubricant unless I can >> let the tire bake in the sun for a couple of hours before I air it up and >> seat the bead. I’ve dismounted tires (not mine) that had several quarts of >> water inside—probably from a compressed-air hose that collected water and >> was never purged properly. >> >> How is water relevant to a nitrogen discussion? Any system that delivers >> pure nitrogen is also going to deliver dry nitrogen. Filling tires with >> nitrogen involves filling and purging several times in succession, serially >> diluting the concentration of oxygen in the tire. This will also remove any >> water. >> >> It’s certainly simple, although time-consuming, for a tire technician to >> fill and bleed tires. But most shops use a machine that not only generates >> almost pure nitrogen by straining the oxygen out of shop-compressed air, but >> will also automatically go through several purge cycles unattended. Some >> shops have been charging as much as $30 per tire for this service. I think >> that’s too much. If you’re buying a new tire, it should be far less. Still, >> the nitrogen generator, filling system and technician’s time aren’t free—the >> dealer is entitled to some return for that. >> >> So, to answer your specific questions: With nitrogen, your tire pressures >> will remain more constant, saving you a small amount in >> fuel<http://www.popularmechanics.com/automotive/how_to/4302788.html#>and >> tire–maintenance costs. There will be less moisture inside your tires, >> meaning less corrosion on your wheels. You will not be able to feel any >> difference in the ride or handling or braking, unless your tire pressures >> were seriously out of spec and changing to nitrogen brought them back to the >> proper numbers. >> >> ----- Original Message ----- >> *From:* stanley/ Randolph <[email protected]> >> *To:* [email protected] >> *Sent:* Saturday, July 18, 2009 11:12 AM >> *Subject:* [Nighthawk Lovers] Re: Rear Tire Suggestions >> >> Nitrogen is not different from any other matter, gaseous or solid. It >> expands and contracts with heat and cold. What it does not do is interact, >> like oxygen does, with most matter. >> >> ** >> >> >> ------------------------------ >> *From:* Robert <[email protected]> >> *To:* Nighthawk Motorcycle Lovers! <[email protected]> >> *Sent:* Wednesday, July 15, 2009 8:51:43 PM >> *Subject:* [Nighthawk Lovers] Re: Rear Tire Suggestions >> >> >> Good advice. I'll order the Battlax BT-021. >> >> On Jul 15, 3:52 pm, wrenchman <[email protected]> wrote: >> > follow aldos advise and go with the battlax good tires for curves and >> > stiff enough to last a few miles too....another peice of advice, when >> > you get them mounted, call around and find a place that will fill them >> > with nitrogen instead of air. >> > the nitrogen doesn't expand with heat or contract with cold so your >> > pressure will stay constant, and wont fluctuate.good luck with the >> > tires and let us all know about the ride and the roads, i live in >> > alabama so it isn't as far as deals gap for me and the gap is always >> > full of miatas any way >> > >> > ride safe >> > eric >> >> >> >> >> >> > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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