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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Altitude vs. Barometric pressure
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<blockquote data-quote="Mikecr" data-source="post: 74055" data-attributes="member: 1521"><p>"When altitude is selected, the pressure field dissapears and is defaulted to 29.92"</p><p></p><p>This wouldn't quite work. I really like your direction on this this though. But if the altitude block is selected in your scenario, and the pressure field disappears, the program should default to STD PRESSURE AT ALTITUDE.</p><p>Else you lock in the apparent/potential problem as started for this thread. 29.92 would only be the std pressure at sea level, ICAO conditions. If you need a very small program or specific math for standard pressure at altitude, let me know. I know I had a difficult time finding it, back when I was looking.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 74055, member: 1521"] "When altitude is selected, the pressure field dissapears and is defaulted to 29.92" This wouldn't quite work. I really like your direction on this this though. But if the altitude block is selected in your scenario, and the pressure field disappears, the program should default to STD PRESSURE AT ALTITUDE. Else you lock in the apparent/potential problem as started for this thread. 29.92 would only be the std pressure at sea level, ICAO conditions. If you need a very small program or specific math for standard pressure at altitude, let me know. I know I had a difficult time finding it, back when I was looking. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Altitude vs. Barometric pressure
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