A rotating gas-check (more commonly known as an automatic gas-check) was a copper plate that automatically attached itself to a specially-designed studless projectile of
rifled muzzle-loading ("RML") artillery, sealing the escape of gas between the projectile and the barrel and imparting axial rotation to the projectile.
[Ref 1881 pp. 188-190; Ref 1887A pp. 155-156]
Gallery
Image:RML 12.5in Studless Palliser Shell Mk I with Automatic Gas-Check.JPG , 1
Image:RML 12.5in Studless Common Shell Mk I with Automatic Gas-Check.JPG , 2
# RML 12.5in Studless Palliser Shell Mk I with Automatic Gas-Check
# RML 12.5in Studless Common Shell Mk I with Automatic Gas-Check
See also
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Gas-checks in British RML heavy guns
Gas-checks were attachments to ammunition that revolutionised the performance of RML heavy guns. The first generation of RML heavy guns began entering service in about 1865. They all had Woolwich rifling and relied on studs on the projectiles for ...
*
Attached gas-check
Notes
External links
1. Photos of a used 9 inch automatic gas-check recovered from the sea
http://fortlytton.net.au/?page_id=294
2. Photos of four gas-checks
3. Photo of 17.72 inch automatic gas-check http://www.bbc.co.uk/ahistoryoftheworld/objects/_GozUMNFTpem-NJXZpFgAQ
References
* 1881
* 1887A {{cite book, last1=Secretary of State for War, title=Treatise on Ammunition Fourth Edition (Revised) Corrected to October 1887, date=1887, publisher=Her Majesty's Stationery Office, location=London
Coastal artillery
Artillery of the United Kingdom
Victorian-era weapons of the United Kingdom
Naval guns of the United Kingdom
Artillery ammunition