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by mike1880
Sun Oct 08, 2006 10:13 pm
Forum: Naval Technology
Topic: Barr & Stroud Dreyer vs. German Zeiss
Replies: 27
Views: 10757

I recommend "Dreadnought Gunnery and the Battle of Jutland" by John Brooks for a more up to date view of fire control capabilities and the degree to which Admiralty FC systems were influenced by Pollen. There's also some discussion of the Argo's capabilities at "The Dreadnought Projec...
by mike1880
Fri Oct 06, 2006 9:00 pm
Forum: Naval History (1922-1945)
Topic: Scharnhorst
Replies: 42
Views: 11647

Hindsight isn't necessarily a good guide; hindsight expects base fuses with reliable delay action, effective fire control and respectable rates of fire for heavy guns. Given that 6-in Krupp armour was basically proof against any service AP round up to say 1910 (we can bicker about the date), then it...
by mike1880
Fri Oct 06, 2006 1:04 pm
Forum: Hypothetical Naval Scenarios
Topic: WW1 Invincible/ Inflexible vs. WW2 Scharnhorst/Gneisenau
Replies: 43
Views: 12473

But the German ships would still have to come within range of the 12 inch to engage?

Why?
by mike1880
Mon Oct 24, 2005 10:30 pm
Forum: Naval Weapons
Topic: German WWI Armor Piercing Shells?
Replies: 23
Views: 8199

Oops...

From the above mentioned report: "Restricted letter from US Technical Mission in Europe to CNO (OP-16-PT) of 27 August 1945, serial 850, forwarded blueprints of starred projectiles shown in Fig. 1". The the 28cm L3.2 is marked with an asterisk so there are (were) blueprints in the US archives... Mike
by mike1880
Mon Oct 24, 2005 9:38 pm
Forum: Naval Weapons
Topic: German WWI Armor Piercing Shells?
Replies: 23
Views: 8199

I develop specific Cd curves based upon projectile shape and pressure distribution around the projectile as various speeds. It's a bit more reliable than trying to guess at form factors and drag functions. May I ask where you are deriving the 3.2-cal vs. 3.4-cal information from? It sounds like a c...
by mike1880
Mon Oct 24, 2005 2:00 pm
Forum: Naval Weapons
Topic: German WWI Armor Piercing Shells?
Replies: 23
Views: 8199

I am of the opinion that 280mm psgr and spgr (and 380mm for that matter) are simply scaled down (or scaled up) versions of the 305mm shells. But I don't know this for certain, and would therefore like to find images or better scale drawings of 280mm psgr. I am interested in accurate information on ...
by mike1880
Mon Oct 24, 2005 1:35 pm
Forum: Naval Weapons
Topic: Cardonald Shells?
Replies: 9
Views: 2882

Terminology

Terminology is specific to time and place. I don't think you'd find any such terminology in a British Admiralty document of WW2 or earlier, I haven't seen enough USN ones to know what they were doing. My interpretation is that although they would recognise the concepts these terms represent a conven...
by mike1880
Wed Oct 19, 2005 12:05 am
Forum: Naval Weapons
Topic: German WWI Armor Piercing Shells?
Replies: 23
Views: 8199

Actually, after messing about with the rifle in Powerpoint I think I could happily reverse my conclusions - but all the same I think you're more likely to achieve a result with the rifle and the man than with the belt buckle.

Mike
by mike1880
Wed Oct 19, 2005 12:00 am
Forum: Naval Weapons
Topic: German WWI Armor Piercing Shells?
Replies: 23
Views: 8199

I disagree, the shell base is more or less in line with his toes so he's in line or a little behind the nearest one. Unless he's a giant, the fact that the one nearest him comes to his waist makes it about 40-in tall unless he's very, very tall. So it's either 30.5-cm APC or 28-cm Spgr. The caps on ...
by mike1880
Sat Sep 03, 2005 9:48 pm
Forum: Naval Weapons
Topic: 15" Mark I and 38cm SK. C/34 naval guns
Replies: 15
Views: 8028

Tiornu isn't stating an opinion, he's stating a fact. C/34 was the official designation of the gun.

Standardisation years bear no relation to the year a given gun actually went to sea, the most blatant example is probably the WW1 Blucher's 21-cm C/01.

Mike
by mike1880
Sun Jul 10, 2005 12:15 pm
Forum: Books and Reference
Topic: Spanish Book Cruiser Canarias
Replies: 17
Views: 7104

What?!

That means most libraries won't have one either! I can't believe they can cover their costs on that many. I know it's minority interest but that's ridiculous.

Still, at least it means I should be able to retire when I sell mine...

Mike

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