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ResearchPress
12-21-2014, 06:55 AM
On this day in 1803 (21 December) Joseph Whitworth was born at Stockport. Whitworth was to become the foremost manufacturer of machine tools of his time.

During the 1850s and 1860s the British service rifle calibre was .577, both for the muzzle-loading Enfield rifle and its breech-loading successor the Snider (a conversion of the Enfield). Early manufacture of the Enfield relied on much hand labour and consequently lead to problems of inconsistent performance, non-interchangeability of parts and slow supply. Joseph Whitworth was approached to provide assistance with regards to the design of appropriate machinery for its manufacture.

Not content with considering the machinery for the manufacture of the rifle, he determined that a more appropriate course of action would be to establish that the proposed rifle was of optimum design before considering its mass production. In Whitworth’s 1873 book, ‘Guns and Steel’, he writes:


IN the year 1854, when Lord Hardinge was endeavouring to obtain the best possible rifle with which to arm the British troops, he requested me to aid him by investigating the mechanical principles applicable in the construction of an efficient weapon. I willingly agreed to do so, subject, however, to the condition that I should have a suitable gallery, protected from changes in the wind and from fluctuations in the atmosphere, wherein to carry on the experiments which were necessary for enabling me to arrive at any sound conclusion.

It was absolutely essential to track the path of a rifle bullet throughout its entire course, to determine whether its point preserved a true forward direction, and to record its trajectory. This could be done most readily in a closed gallery provided with screens of very light tissue paper.

Accordingly a gallery, 500 yards in length, was erected in my grounds at Rusholme, in the year 1855. Its height was 20 feet and width 16 feet; it was slated, and had openings on the south side only for the admission of light and for getting rid of the smoke.

The first result of the work done in this gallery was the construction of my small-bore rifle.

Queen Victoria opened the inaugural rifle meeting of the National Rifle Association (NRA) on Wimbledon Common by pulling a silken cord to fire a Whitworth rifle. The bullet hit the target 400 yards away within 1.25 inches of the centre.

The rifle was renowned for its accuracy and not only used by marksman on the rifle ranges but also saw use by sharpshooters during the American Civil War.

The Research Vault web site has several contemporary articles by or about Joseph Whitworth, his life and his famous rifle.

Read more at: Sir J. Whitworth (1803-1887) (http://www.researchvault.co.uk/index.php/whitworth)

David

StrawHat
12-21-2014, 08:06 AM
I recall reading he did a lot of work in that shooting shed. At some point it burned and needed to be rebuilt, perhaps longer? He experimented with rifling twists to determine what actually worked best.

Happy Birthday!

ResearchPress
12-21-2014, 08:27 AM
Yes there was a storm when his 500 yard shooting gallery was built and a considerable length of wall was demolished.

The only design criteria Whitworth had when looking at rifle manufacture was restriction to the service charge of 70 grains with a 530 grain weight bullet. The conclusion of his experiments was that the optimum bore for the charge and weight bullet specified would be .45 cal with a 1 in 20” twist to the rifling.

David

daniel lawecki
12-21-2014, 10:19 AM
One of the better post very interesting read guess I have to read more Mr. Whitworth.

idahoron
12-21-2014, 03:44 PM
I read a story about him in a magazine years ago. It was that story about him that led me to the paper patched rifles that I shoot today. Happy Birthday Joe!!

451whitworth
12-21-2014, 08:49 PM
Love his rifles.

Wayne Smith
12-23-2014, 05:02 PM
In the process he invented the micrometer, too!

ResearchPress
12-30-2014, 06:53 AM
By way of follow up to my original post, I have added a brief historical introduction to the Whitworth Rifle (http://www.researchpress.co.uk/index.php/targetrifles/whitworth/180-whitworthintro) to my web site.

David