Talk:5-inch/54-caliber Mark 45 gun

message: The only reference is to an offline book whose ISBN is made up...
Delete the page?
24.20.129.195 (talk) 06:53, 25 August 2011 (UTC)
thread_title: No references

message: This article's name continues to be a problem given the advent of a 62 caliber variant. It appears the US Navy uses the designation "Mark-45 5-inch-gun 54/62 Caliber", see . This article could be renamed accordingly and retain details about both calibers. Alternatively, the article's present name could be retained and the 62 caliber gun information would be spun-off into a new article, 5"/62 caliber Mark 45 gun. I think I prefer the latter. Accurizer (talk) 12:04, 11 December 2009 (UTC)
thread_title:  Two options 

message: The BAE product page linked in the article lists a range greater than 20 nautical miles / 36km  —Preceding unsigned comment added by 96.231.37.18 (talk) 05:45, 10 December 2010 (UTC)
thread_title:  new 5"/62 calibre mod 4 range 

message: The article states that the Mod 0 had a replaceable liner.  However,I was on the USS Ouellett when it was on the Gun Line in '72.  While helping defeat the NVA during the Easter Offensive, we wore out our 5"/54's barrel.  We were sent to Sasebo, where the barrel was replaced.  (And, in fact, by the time our cruise was over, we'd used up about half of the service life of the new one.)  Does anybody have a cite for this, because I've never heard of a 5" gun with a replaceable liner before.JDZeff (talk) 20:51, 6 March 2013 (UTC)
thread_title:  Replaceable Liner? 

message: BAE gets contract for Mark 45 for Type 26
http://www.businesswire.com/news/home/20160728005348/en/BAE-Systems-Awarded-245-Million-Contract-UK
Cantab1985 (talk) 08:07, 28 July 2016 (UTC)
thread_title:  News 

message: The article states that "HVP shells fired from 5-inch deck guns would travel at Mach 3, half the speed of a railgun but twice the speed of conventional rounds". The faster speed for conventional rounds is given as 807.7 m/s, which is about 2.35 times the speed of sound (343 m/s). Thus, the speed of the HPV shell would only be c. 1.28 times the speed of conventional rounds, which is not a heck of a lot. One might note that 6-inch coastal guns from the late 1800s were already able to reach 800 m/s, so this field hasn't seen much development over the last century.--Death Bredon (talk) 22:00, 16 February 2017 (UTC)
thread_title:  HPV speed 

message: Why is Australia listed as a 'Future Operator' and also a 'Current Operator'? Yes it is for a new class of ship, but surely that fact sould be listed under 'Current Operator' as they already have two existing ship classes with the gun?144.139.103.173 (talk) 02:31, 6 April 2020 (UTC)
thread_title:  Future Operators 

message: Can you tell me the size of the Mark-45 cannon? (barrel length, length without barrel, height, width). please let me know. 171.224.177.108 (talk) 12:50, 6 May 2022 (UTC)
thread_title:  Size of Mark-45 

message: There is a move discussion in progress on Talk:3"/21 caliber field gun which affects this page. Please participate on that page and not in this talk page section. Thank you.  —RMCD bot 18:49, 28 December 2023 (UTC)
thread_title:  Move discussion in progress