-
18 PSI? STP is ~14.7 PSI. To have a difference of 18 PSI you’d have to either be sucking quite a bit or blowing really hard.EdwardSarcasm aside:Atmospheric Pressure at 5,000′ is ~12.2 PSI, at 30,000′ it is ~4.4 PSI. That… Read more»
18 PSI? STP is ~14.7 PSI. To have a difference of 18 PSI you’d have to either be sucking quite a bit or blowing really hard.EdwardSarcasm aside:Atmospheric Pressure at 5,000′ is ~12.2 PSI, at 30,000′ it is ~4.4 PSI. That… Read more»
| THIS IS A DEVELOPMENT SITE |