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WIND Leupold's new TBR/W solution will provide a fixed 10 mph full wind
value, meaning it assumes the wind is at 90 degrees to the muzzle. We
chose 10 mph as a way for the user to easily calculate corrections on the fly.
If the wind is 5 mph, from the 3 o'clock or 9 o'clock position, the shooter
would half the hold value. If the wind is 20 mph,
the shooter would double the wind hold value. If
the wind isn't blowing at 90 degrees to the muzzle,
the shooter needs to adjust the hold value per
Diagram shown. For example, if the wind is at
45 degrees to the muzzle, adjust the wind hold
value by 75%. Because wind values change so
quickly, we have found this method of generating
correction values for speed and direction will help
you get on target easier and faster.
Wind hold values will be displayed in the same output format as elevation;
either minute-of-angle (MOA), milliradians (MIL), or inches/cm hold values.
TBR/W provides .5 MOA accuracy on elevation and 1.5 MOA accuracy on
wind values at 600 yards for cartridges expected to reach that distance. As
with TBR, the maximum distance is 800 yards.
NOTE: True Ballistic Range Wind is available only in the RX-1200i TBR/W
19
12
11
1
0
.50
.50
10
2
.75
.75
9
1
1
.75
.75
8
4
.50
.50
0
7
5
6
Wind Values
3
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