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by dunmunro
Fri May 01, 2020 11:42 pm
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Accounts of Prince of Wales operations in the tropics indicate that the KGV's were poorly suited for operations in such environments. They were not equipped with air conditioning and ventilation below decks was poor. In fact the crew engaged in unauthorized ventilation improvements which probably c...
by dunmunro
Wed Apr 29, 2020 8:57 am
Forum: Naval Weapons
Topic: Supercharged modifications to Revenge class Battleships
Replies: 7
Views: 484

Re: Supercharged modifications to Revenge class Battleships

Actually that should be 13 to 31 Aug.

Here's an interesting link:

https://www.hmsramillies.co.uk/
by dunmunro
Wed Apr 29, 2020 4:51 am
Forum: Naval Weapons
Topic: Supercharged modifications to Revenge class Battleships
Replies: 7
Views: 484

Re: Supercharged modifications to Revenge class Battleships

HMS Ramillies supported the invasion of Southern France. From 23-31 August she fired 145rnds of 15in HE and 44 rnds of 15in AP. Maximum range at open fire was 24000 yds.
by dunmunro
Mon Apr 13, 2020 8:32 pm
Forum: Bismarck General Discussion
Topic: A correct attribution for the "Flash Effect" photo?
Replies: 343
Views: 15445

Re: A correct attribution for the "Flash Effect" photo?

Fellow Contributors, It interesting that Bismarck's invisible target is almost exactly aligned with the alignment between the photographer on Prinz Eugen and that target is almost exactly abeam of Bismarck's port side, ie the flagship fouls the range for PG. This is the situation which applied and ...
by dunmunro
Wed Apr 08, 2020 5:26 am
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Hi dunmunro, Indeed the Mk XVIIB appellation for British 15-inch AP projectiles was found to have applied to both early war projectiles AND the new Cardonald design. It is not possible to conclusively state which projectile was used in the cited test based upon the text alone. However, given the po...
by dunmunro
Wed Apr 08, 2020 2:33 am
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Re the two pages the dunmunro kindly posted, there are some curious issues hovering around cited test series. Projectile - Shell APC, Hadfield 14-inch Mark 1 B.N.T. (weighted and plugged) – 1,595 lbs, versus - Ex-Tirpitz 12.5-inch cemented plate, sections 4 ft 6 in x 5 ft 6 in approx.: laid over a ...
by dunmunro
Tue Apr 07, 2020 6:49 pm
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Thanks to you both for the info, it makes interesting reading. I'm sorry that I have strayed way off topic here,perhaps it should go back to the 'Shell v Armour topic. But as we are here, I'm not sure at what range these tests were carried out, presumably as they were only aiming at a small piece o...
by dunmunro
Tue Apr 07, 2020 12:15 am
Forum: Naval Weapons
Topic: Wind correction in long range gunnery
Replies: 3
Views: 337

Re: Wind correction in long range gunnery

Hi guys, a question related to wind. What was the effectiveness of putting the wind in the long range gunnery calculation? The firer can only measure the wind direction and speed at sea level, on firing the shell will climb many thousand meters, passing by atmospheric layers with different wind dir...
by dunmunro
Mon Apr 06, 2020 8:18 pm
Forum: Bismarck General Discussion
Topic: 2nd Smokestack
Replies: 3
Views: 397

Re: 2nd Smokestack

Yes, very interesting and it confirm RN statements regarding wind and seastate conditions during the final battle.
by dunmunro
Mon Apr 06, 2020 6:51 pm
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Having started the ball rolling, I thought you might have spotted this already: Thanks Wadinga, i must have missed this one! Re Dave's statement that the difference between 14/15/16" guns was marginal, i know this is going a bit off topic but it has been claimed that Bismarck's main armour was not ...
by dunmunro
Sun Apr 05, 2020 7:51 pm
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Fellow Contributors, Off topic but I think relevant. The politicians of Britain and France had seen a generation of their young men slaughtered and desperately tried to stop it happening again via maintenance of Treaty. The warlords managed to sleepwalk/ cajole / con their populations into embracin...
by dunmunro
Sun Apr 05, 2020 9:39 am
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

None of the 35,000 ton treaty battleships were worth building in view of the international arms race in the late 1930s. The Japanese were expected to build 16 inch/46,000 ton ships to complement the Nagato class. The Italians already built 15 inch/40,000 ton ships. Then the Bismarck 15 inch/44,000 ...
by dunmunro
Sat Apr 04, 2020 11:43 am
Forum: Naval History (1922-1945)
Topic: Updating the KGV class
Replies: 77
Views: 3126

Re: Updating the KGV class

Gentlemen, I'm going to try your patience once again! Going back to the original question of updating the KG's. In an earlier post which seems to have got lost in the debate about the seaworthiness of the KG class, I asked why that it was possible to build the 'Nelsons' with 3 x 16" turrets and sti...
by dunmunro
Sat Apr 04, 2020 11:13 am
Forum: Naval History (1922-1945)
Topic: 'QE' and 'R'class ships
Replies: 7
Views: 469

Re: 'QE' and 'R'class ships

Thanks for your reply, I often wonder when the 3 QE's were extensively rebuilt, the RN did not take the opportunity to 'Up engine' then (if there is such a word) and make them faster and even more heavily armoured, particularly as the 'Treaty was being ignored by most of the other nations'. This wo...
by dunmunro
Fri Apr 03, 2020 5:31 am
Forum: Naval Weapons
Topic: Propulsion less torpedo
Replies: 8
Views: 346

Re: Propulsion less torpedo

Mmmm....I don´t quiet agree. In the mentioned site there is a picture of a launching, the "torpedo" was launched almost horizontally, question would be how far would the bare inertia take the torpedo before it goes to the bottom or comes to the surface, according to if it is hydrostatically positiv...