Gunnery in 1858: Being a Treatise on Rifles, Cannon, and Sporting Arms: Explaining the Principles of the Science of Gunnery, and Describing the Newest Improvements in Fire-ArmsGreener, William
History
Gunnery in 1858: Being a Treatise on Rifles, Cannon, and Sporting Arms: Explaining the Principles of the Science of Gunnery, and Describing the Newest Improvements in Fire-Arms
Greener, William
Firearms; Gunnery
With this I contrast my bullet of 1841, at page 354, and a very slight
inspection will be sufficient to satisfy any one of its superiority:
every practical rifle-shooter knows that the smoother all the surfaces
of the bullet, the more extensive and accurate is the range. That the
French experiments should have given unsatisfactory results I am not at
all surprised: the flat surface on the point of the bullet must offer a
large space for the resistance of the atmosphere, during 1,000 yards of
flight. Then to this must be added the effect produced by the rings
around the bullet; and when the resistance of the atmosphere and that
produced by the friction of the bullet are added together, we need not
be surprised that the results of the experiments turned out very
unsatisfactory. Surely, if the French school invented the bullet which
produced this wonderful revolution in gunnery, they would have rendered
it perfect, instead of producing it in a more rude state in 1848 than I
had produced it in 1840.
Another point affording strong evidence that the whole was copied from
my work of 1842, is this. In my original plan the bottom of the cavity
of the bullet was flat, exactly as it now appears in Captain Minié’s
annular ringed bullet. In 1843 this was changed into a hemispherical
bottom; and this exists in all English expansive bullets, as the
adjoining woodcut will show.
In 1852 I produced a new form of cup, intended to obviate the use of the
heavier substance, or conical piece of iron. In addition to a cup of a
parabolic spindle shape, it had a rim like that on a man’s hat, as the
woodcut will show.
[Illustration]
A great advantage is gained by this contrivance in effectually expanding
the bullet, and thus closing up stray appendages, which are found to
exert considerable influence on the ultimate direction of the bullet. A
slight tail of cartridge-paper, a string, or an appendage of any
description, exerts such an important influence on the bullet’s flight,
as to cause it in some instances to describe a curve, the termination of
which is very eccentric, and commences from the very base of its
starting. It is evident, then, that great accuracy is necessary in order
to produce a perfect expansive bullet. English bullets are pressed into
shape by machinery, whilst in France they are formed in the ordinary
mould; this, however, is at all times an uncertain mode of making them:
a slight cavity in the head of the bullet would make it eccentric in
its flight; and this is very difficult to avoid: a slight puncture, or
an eruption on the surface, would, during a lengthened flight, be
materially acted upon by the atmosphere, so as to influence in a great
degree the direction of its flight.
Public-domain text, read in full here on John Shaqi.
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