Why nitrogen?

**Mick[_2_]** · September 19th 08, 06:17 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:18 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:18 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:18 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:18 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:18 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:18 PM posted to rec.aviation.piloting

**Mick[_2_]** · September 19th 08, 06:29 PM posted to rec.aviation.piloting

"Viperdoc" wrote in message
...
|
|
| Proven results in high performance use.
|
| Have you trained at the Anthony Atkielski School of Circular Logic? Would
| you care to cite some actual data that says nitrogen is superior to dry
air
| for tires or struts?

Why? Unlike a anal ******* like you, I have no probem accepting decision of
NASCAR and so many aircraft companies.

|
| My hypothesis is that nitrogen or argon is in some way superior to dry air
| is simply an old wive's tale, not substantiated by data. So far, I have
| heard a lot of rationales, but not seen any data. In graduate school in
| organic chemistry, we used dry nitrogen or argon to distill a variety of
| compounds that were sensitive to water (nothing like distilling
| tetrahydrofuran over sodium metal to remove even trace water). It was like
| an explosion waiting to happen.

I could give a **** less about your hypothesis. What qualifies you to
question so many experts?

|
| None of the posts I have read has offered a logical explanation as to why
| nitrogen is superior in some way to dry air.

I don't know anyone that give a **** what you think.

|
| If you think you, or anyone else has something to add to this topic,
please
| feel free.

Here, www.google.com is your friend.

|
| I could give a **** about you or Bertie, the logic of those interactions
has
| long been gone. I challenge you or anyone else to give some information
that
| actually educates the rest of us, because I honestly don't know the
answer.

First you need to find someone that gives a **** about your personal doubts.
Have you tried therapy.

**Mick[_2_]** · September 19th 08, 06:31 PM posted to rec.aviation.piloting

"Robert M. Gary" wrote in message
...
On Sep 16, 4:04 pm, "Vaughn Simon"
wrote:
"Robert M. Gary" wrote in
...

I just got new tires for my wife's car. They're usnig Nitrogen too.
They put green caps on the valve steam to show its not air.

Yes, those green caps have proven to be much better at keeping the snake
oil
inside the tire where it belongs. Also, I have never once seen a car with
green
valve stem caps get attacked by elephants, (but that is just anecdotal
evidence
and your experience may vary).

Well the Nitrogen they used was free so I reallly don't care too much
if its better or not.

-Robert

------------------------------------------------------------------------------

I think that's the point. Cost.

In applications where cost is not a big issue, it becomes the default
because of somewhat superior quality.

**Peter Dohm** · September 19th 08, 07:27 PM posted to rec.aviation.piloting

"Viperdoc" wrote in message
...

My hypothesis is that nitrogen or argon is in some way superior to dry air
is simply an old wive's tale, not substantiated by data. So far, I have
heard a lot of rationales, but not seen any data. In graduate school in
organic chemistry, we used dry nitrogen or argon to distill a variety of
compounds that were sensitive to water (nothing like distilling
tetrahydrofuran over sodium metal to remove even trace water). It was like
an explosion waiting to happen.

None of the posts I have read has offered a logical explanation as to why
nitrogen is superior in some way to dry air.

I am curious regarding the tire and strut pressures used on the Baron.

The treatise from several Ford Motor Company engineers, which was referenced
elsewhere in the thread, appeared to only be on the web for sale and as a
second hand source. Therefore, I am left with my partial pressure
model--which simply does not justify using inert gas in tires at 60 or 70
psi (roughly 4 to 5 ATM) nor in struts at roughly twice that
pressure--unless you just happen to have it in the shop.

OTOH, on a heavy with the struts presumably pressurized to 100 ATM or more,
the partial pressure would would dramatically exceed 20 ATM of pure oxygen
on full bounce--so inert gas makes good sense.

Based on my presumption of the pressures involved for a light aircraft, dry
inert gas is mainly justified by eliminating the need for a good quality
dryer. In anything like normal service, it sounds like hype to me as well.

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