| 词条 | BL 7.5-inch Mk I naval gun |
| 释义 |
| name = Ordnance BL 7.5-inch gun Mk I | image = HMS Antrim Starboard 7.5-inch wing gun.jpg | caption = Starboard wing gun on HMS Antrim | origin = United Kingdom | type = Naval gun | is_ranged = YES | is_bladed = | is_explosive = | is_artillery = YES | is_vehicle = | is_UK = YES | service = 1905–1922 | used_by = Royal Navy | wars = World War I | designer = Vickers | design_date = circa. 1901 | manufacturer = Vickers | production_date = 1905 | number = 33 | variants = | weight = {{convert|13.7|LT|t|sp=us|abbr=on}} | length = | part_length = {{convert|28|ft|m|sigfig=4}} bore (45 calibres) | width = | height = | crew = | cartridge = {{convert|200|lb|kg|sigfig=3}} | caliber = {{convert|7.5|in|mm|sigfig=3}} | action = | rate = 4-5 rpm | velocity = {{convert|2700|ft/s|m/s|sp=us|abbr=on}}[1] | range = {{convert|7.9|mi|km|sp=us|abbr=on}} at 15°[2] | max_range = | feed = | sights = | breech = Welin breech block | recoil = | carriage = | elevation = -5° to +15° | traverse = }} The BL 7.5-inch gun Mk I was a British 45-calibre, medium-velocity, naval gun which entered service with the Royal Navy in 1905. HistoryThis gun was only mounted on Devonshire class cruisers commissioned in 1905, and was quickly superseded by the 50-calibre 7.5-inch Mk II gun. See also
Notes1. ^2700 ft/sec firing a 200-pound projectile: Brasseys Naval Annual 1902 using 61 lb cordite MD size 26 propellant : Treatise on Ammunition 1915 2. ^{{Cite book|url=https://www.worldcat.org/oclc/786178793|title=Naval weapons of World War One|last=Friedman|first=Norman|date=2011-01-01|publisher=Seaforth|isbn=978-1-84832-100-7|oclc=786178793}} References
External links{{Commons category|BL 7.5 inch Mk I naval gun}}
3 : Naval guns of the United Kingdom|World War I naval weapons of the United Kingdom|190 mm artillery |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。