Not nitrogen , again !
If at sea level I removed the valve stem from a tire ,the air inside would equalize at one atmosphere .Replace valve stem and brought tire up to 33 pounds with nitrogen , contents would be 50 percent ...
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WOW , now I am confused , Goggle sez one atmosphere is a column of water 33 feet high , as a former SCUBA instructor 33 feet equals one atmosphere so if I can get 33 feet in a tire of nitrogen at sea level , Oh the heck with it . I will just get out my bicycle pump and put 65 lbs of what ever into my Chinese tyres and then go practice for my upcoming recital .
