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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Trajectory vs. Humidity
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<blockquote data-quote="700" data-source="post: 27633" data-attributes="member: 674"><p>Oops. Guys you are completely right. Increased humidity flattens tradjectory. This is due to the molecular weight of water being less than dry air.</p><p></p><p>The gif </p><p> <img src="http://us.f1.yahoofs.com/users/f7350ebb/bc/Humidity/Drop_Inches_Range_Yards.gif?bcByK_.AVPcDoqSU" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>Shows a drop difference of 5.6 inches at 1000 yards between a .308 fired at 59 Deg. F and 0% Hum, versus 59 Deg. F and 100% Hum, without scope adjustments been made. Plots higher at 100%.</p><p></p><p>I believe the USMC marksmanship manuals state humidity makes bullets plot lower, which I think is what initally came to mind.</p><p></p><p>Rgd</p><p></p><p>700</p></blockquote><p></p>
[QUOTE="700, post: 27633, member: 674"] Oops. Guys you are completely right. Increased humidity flattens tradjectory. This is due to the molecular weight of water being less than dry air. The gif [img]http://us.f1.yahoofs.com/users/f7350ebb/bc/Humidity/Drop_Inches_Range_Yards.gif?bcByK_.AVPcDoqSU[/img] Shows a drop difference of 5.6 inches at 1000 yards between a .308 fired at 59 Deg. F and 0% Hum, versus 59 Deg. F and 100% Hum, without scope adjustments been made. Plots higher at 100%. I believe the USMC marksmanship manuals state humidity makes bullets plot lower, which I think is what initally came to mind. Rgd 700 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Trajectory vs. Humidity
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