I've been working on transport category aircraft for over 30 years...we use nitrogen in the tires on large aircraft. The same benefits a four foot tall airliner tire I couldn't see in the small tires on a Z. The small volume of air...or nitrogen...didn't seem to make a difference to me, and I refused to pay the upcharge the dealer demanded for the nitro fill and explained why. The grin on the salesman's face, like the cat that was about to pump the neighbor's canary, slowly disappeared when I explained it to him in detail and a showroom full of people stopped to listen. I have a feeling that they lost a good bit of "found money" that afternoon.
If nitrogen is saving folks topping their tires off, then that's a big deal. I'll keep a watch on mine to see how they fare. I'm happy I read the entire thread.
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