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40-фунтовая пушка Армстронга RBL

40-фунтовая пушка Армстронга RBL была введена в эксплуатацию в 1860 году для службы как на суше, так и на море. В нем использовался новый инновационный нарезной механизм заряжания с казенной части Уильяма Армстронга . Он использовался до 1902 года, когда его заменили более современными орудиями с затвором (BL).

История дизайна

Винтовой затвор Армстронга уже доказал свою эффективность в 12-фунтовой полевой пушке RBL мощностью 8 центнеров , и британское правительство потребовало внедрить его для более тяжелых орудий, несмотря на протесты Армстронга о том, что этот механизм не подходит для тяжелых орудий. [4] Оружие производилось как на Королевском оружейном заводе в Вулидже, так и на Элсвикской артиллерийской компании .

Как и другие ранние ружья Армстронга, они имели многонарезную систему нарезов и стреляли различными снарядами со свинцовым покрытием.

Варианты

Первая версия весила 32 центнера, за ней последовала версия весом 35 центнеров с более длинным и прочным затвором. [5] Вариант мощностью 32 центнера с горизонтальным скользящим клиновым затвором вместо винта Армстронга с вертикальным вентиляционным отверстием был представлен в 1864 году как попытка устранить очевидные недостатки конструкции винтового затвора. К 1877 году он был выведен из эксплуатации. [6]

Схема, изображающая версию с боковым закрыванием на осадной передвижной повозке в положении для ведения огня через бруствер.

С 1880 года у небольшого количества орудий мощностью 35 центнеров цапфовые кольца были повернуты влево, чтобы позволить вентиляционному отверстию открываться горизонтально вправо, что было известно как орудия с «боковым закрытием». [7] Они отличались от клиновых пистолетов тем, что вентиляционная часть по-прежнему фиксировалась на месте путем затягивания винта позади нее.

Военно-морская служба

Бортовая пушка мощностью 35 центнеров на HMS Warrior

The gun was recommended in 1859 for the Navy as a broadside or pivot gun.[5]

An officer from HMS Euryalus described the gun's performance at the Bombardment of Kagoshima of August 1863:

The 40-pounder we found answer exceedingly well, for coming out of the place [Kagoshima] we planted common shell, with pillar fuze, wherever we wished, at a range of 3,800 yards. Three steel vent-pieces broke, but another placed them immediately and no harm was done. These guns work very easily, are very true, and the drill is very simple.

— Reported in The Times, 25 April 1864.[8]
40 Pounder mounted on an armed train, for naval and military operations in Egypt, 1882

Following the bombardment of Alexandria in 1882, as part of the Anglo-Egyptian War, an armed train was employed. One 40 Pounder RBL was mounted onto the train and manned by men of the Royal Navy. It saw some action at the battle of Kassasin on 1 September 1882.[9]

Land service

RBL 40-pounder Armstrong gun block trail carriage diagrams
Titled "Dignity & Impudence" for stereotypic personality traits of elephants and mules respectively, this photograph by John Burke shows an elephant and mule battery during the Second Anglo-Afghan War. The mule team would have hauled supplies or towed the small field gun, while the elephants towed the larger gun. The gun appears to be a rifled muzzle loader (RML) 7-pounder mountain gun. The men in the photograph are a mix of British soldiers and Indian sepoys. The group kneeling around the smaller, muzzle-loaded field gun is preparing to fire after the soldier at front left has used the ramrod to jam the charge down into the gun. The gun at right, towed by elephants, appears to be a rifled breech loader (RBL) 40-pounder Armstrong.[10]
Two of the five examples known to survive in Bermuda, on display at the UNESCO World Heritage Centre, St. George's

A number of different carriages for guns employed for Land Service were available. A wooden siege carriage with wheels and attached limbers, enabled the guns to be drawn by teams of heavy horses.

For guns mounted in fortifications they could be mounted on two different types of carriage. The first was an iron traversing carriage, enabling the gun to be traversed right and left, with recoil being absorbed with a carriage being mounted on a slide. Others were mounted on high "siege travelling carriages" for use as semi-mobile guns in forts, firing over parapets.

Many were re-issued to Volunteer Artillery Batteries of Position from 1889, with 40 Pounders among 226 guns issued to the Volunteer Artillery during 1888 and 1889.[11] The 1893 the War Office Mobilisation Scheme shows the allocation of thirty Artillery Volunteer position batteries equipped with 40 Pounder guns which would be concentrated in Surrey and Essex in the event of mobilisation.[12] They remained in use in this role until 1902 when they were gradually replaced by 4.7-inch Quick Firing (QF) guns. A number were used for some years afterwards as saluting guns.

Indian subcontinent

An RBL 40-pounder Armstrong breechloader appears to be present in a photograph by John Burke (photographer) from the Second Anglo-Afghan War (November 1878 – September 1880). The war began when Great Britain, fearful of what it saw as growing Russian influence in Afghanistan, invaded the country from British India. The first phase of the war ended in May 1879 with the Treaty of Gandamak, which permitted the Afghans to maintain internal sovereignty but forced them to cede control over their foreign policy to the British. Fighting resumed in September 1879, after an anti-British uprising in Kabul, and finally concluded in September 1880 with the decisive Battle of Kandahar.[10]

Colony of Victoria service

The Australian colony of Victoria received six 35 cwt guns in August 1865. They were used as mobile coast fortification guns with one gun being fitted to the colonial sloop Victoria during 1866 & 1867. Later four of the guns were used as field guns at Hastings. Three of these guns are known to survive.[13]

Colony of Tasmania service

40 pounder RBL, Launceston Volunteer Artillery, Tasmania 1902

As a result of the Jervois-Scratchley reports of 1877 into the defence of Australian colonies following the withdrawal of British troops, the Launceston Volunteer Artillery Corps in Tasmania acquired two guns on late-model iron carriages with iron wheels,[14] which they continued to operate until at least 1902.

Surviving examples

RBL 40-pounder Armstrong gun (in mid ground, without mount) at Fort St. Catherine's, Bermuda

See also

Notes and references

  1. ^ 1013 were in service in 1877 : 819 35cwt & 194 32cwt. Quoted in Treatise on Manufacture of Ordnance 1877, page 150. Holley 1865, page 13 quotes 641 as at 1863 : 535 manufactured by Elswick Ordnance and 106 by the Royal Gun Factory. From the Report of the Select Committee on Ordnance, 1863.
  2. ^ a b c d Text Book of Gunnery, 1887
  3. ^ 1180 ft/sec firing 40 lb 2 oz projectile with 5 lb RLG2 (gunpowder). Text Book of Gunnery 1887, Table XVI page 313
  4. ^ Ruffell, The Armstrong Gun Part 5: British revert to Muzzle Loading
  5. ^ a b Treatise on Manufacture of Service Ordnance, 1877
  6. ^ Treatise on Manufacture of Service Ordnance, 1877. pages 89, 153
  7. ^ "Victorian Forts and Artillery: Victorian Artillery: List of British Service Artillery in use during the Victorian period".
  8. ^ The Times, 25th April 1864 : 25 April 1864 THE ARMSTRONG GUNS IN JAPAN http://www.pdavis.nl/Japan.php
  9. ^ Goodrich, Caspar F (Lt Cdr), Report of the British Naval and Military Operations in Egypt 1882, Navy Department, Washington, 1885, p.188
  10. ^ a b Elephant and Mule Battery ("Dignity & Impudence") WDL11496.png caption, Library of Congress
  11. ^ Report on the Account of Army Expenditure from 1888–1889, The National archives, WO33/50
  12. ^ Mobilization Tables for Home Defence, List of Militia, Yeomanry and Volunteer Units, HMSO, London, 1893
  13. ^ Friends of the Cerberus Website : slideshow http://www.cerberus.com.au/reenactors/40_pounder_slideshow.html
  14. ^ David Spethman, "The Garrison Guns of Australia" page 49. 2008, published by Ron H Mortensen, Inala, Qld. ISBN 978-0-9775990-8-0
  15. ^ Harris, Edward Cecil (10 February 2011). "Heritage Matters: Translating a bollard back into a gun". The Royal Gazette. Bermuda. Retrieved 22 April 2022.

Bibliography

External links

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