Reports of Experiments With Small Arms for the Military Services, By Officers of the Ordnance Department, U.S. Army
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In our eReader you can find the full English version of the book. Read Reports of Experiments With Small Arms for the Military Services, By Officers of the Ordnance Department, U.S. Army Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Reports of Experiments With Small Arms for the Military Services, By Officers of the Ordnance Department, U.S. Army
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To quickly assess the difficulty of the text, read a short excerpt:
....
Apl. 23 Calm.
Calm.
Oalm.
Calm.
Calm.
Calm ; 3 missed.
Calm.
Calm.
Strong wind rear ; 12 miss- ed.
Strong wind rear ; 12 miss- ed.
Strong wind rear; 12 miss- ed.
Strong wind rear ; 17 miss- ed.
62 Table of mean drift.
Distance.
.54 calibre.
.6 calibre.
.69 calibre.
Remarks.
Ball 417 grs.
Powder. . 50 grs.
Ball 550 grs.
Powder. . 60 grs.
Ball 659 grs.
Powder.. 70 grs.
Yards.
No. of shots.
Inches to the right.
No. of shots.
Inches to the right.
No. of • shots.
Inches to the right.
200 500 1,...000 100 25 75 .9 14.4 29.2 200 *100 100 1.3 22.2 57.9 275 100 tioo 10.1 54.3^ 562.
All the barrels were grooved from left to right, with a six- foot twist.
* These shots were fired with a strong wind blowing towards the target.
I Tliese shots were fired with a light wind blowing from the left of the target.
The above is taken from the foregoing tables of co-ordi- nates of the centres of impact, and, with the exceptions noted, embraces all the shots fired in calm weather. From this it will be seen that the "drift," or tendency of the ball to deviate from the plane of fire, is in the direction of the twist of the grooves, and increases with the inclination of the grooves, and the distance passed over by the ball.
What to read after Reports of Experiments With Small Arms for the Military Services, By Officers of the Ordnance Department, U.S. Army?
You can find similar books in the "Read Also" column, or choose other free books by United States Army Ordnance Dept to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
....
Apl. 23 Calm.
Calm.
Oalm.
Calm.
Calm.
Calm ; 3 missed.
Calm.
Calm.
Strong wind rear ; 12 miss- ed.
Strong wind rear ; 12 miss- ed.
Strong wind rear; 12 miss- ed.
Strong wind rear ; 17 miss- ed.
62 Table of mean drift.
Distance.
.54 calibre.
.6 calibre.
.69 calibre.
Remarks.
Ball 417 grs.
Powder. . 50 grs.
Ball 550 grs.
Powder. . 60 grs.
Ball 659 grs.
Powder.. 70 grs.
Yards.
No. of shots.
Inches to the right.
No. of shots.
Inches to the right.
No. of • shots.
Inches to the right.
200 500 1,...000 100 25 75 .9 14.4 29.2 200 *100 100 1.3 22.2 57.9 275 100 tioo 10.1 54.3^ 562.
All the barrels were grooved from left to right, with a six- foot twist.
* These shots were fired with a strong wind blowing towards the target.
I Tliese shots were fired with a light wind blowing from the left of the target.
The above is taken from the foregoing tables of co-ordi- nates of the centres of impact, and, with the exceptions noted, embraces all the shots fired in calm weather. From this it will be seen that the "drift," or tendency of the ball to deviate from the plane of fire, is in the direction of the twist of the grooves, and increases with the inclination of the grooves, and the distance passed over by the ball.
What to read after Reports of Experiments With Small Arms for the Military Services, By Officers of the Ordnance Department, U.S. Army?
You can find similar books in the "Read Also" column, or choose other free books by United States Army Ordnance Dept to read onlineMoreLess
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