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(This is the angle α opposite the "rise" side of a triangle with a right angle between vertical rise and horizontal run.) as a percentage , the formula for which is 100 × rise run {\displaystyle 100\times {\frac {\text{rise}}{\text{run}}}} which is equivalent to the tangent of the angle of inclination times 100.
For instance the same angle of 0.1 mrad will subtend 10 mm at 100 meters, 20 mm at 200 meters, etc., or similarly 0.39 inches at 100 m, 0.78 inches at 200 m, etc. Subtensions in mrad based optics are particularly useful together with target sizes and shooting distances in metric units .
In trigonometry, the gradian – also known as the gon (from Ancient Greek γωνία (gōnía) 'angle'), grad, or grade [1] – is a unit of measurement of an angle, defined as one-hundredth of the right angle; in other words, 100 gradians is equal to 90 degrees.
The subtension is linear with the distance, for example, at 500 yards, 1 MOA subtends 5.235 inches, and at 1000 yards 1 MOA subtends 10.47 inches. Since many modern telescopic sights are adjustable in half ( 1 / 2 ), quarter ( 1 / 4 ) or eighth ( 1 / 8 ) MOA increments, also known as clicks , zeroing and adjustments are ...
The M67 recoilless rifle is a 90 mm ... which disperse in a cone angle of approximately 8 degrees. ... 500 m 3x RPG-7: 93 mm 115 m/s 2.60 kg HEAT 500 mm
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Meet angle 60°, mm Meet angle 90°, mm 500 125 155 1,000 120 145 1,500 110 135 2,000 100 125 3,000 85 105 APHE shell BR-471 Distance, m Meet angle 60°, mm Meet angle 90°, mm 500 120 150 1,000 105 130 1,500 95 115 2,000 80 100 3,000 65 75 Different methods of armor penetration measurement were used in different countries / periods.
A machinist square or engineer's square is the metalworkers' equivalent of a try square.It consists of a steel blade inserted and either welded or pinned into a heavier body at an angle of 90°.