Search found 922 matches
- Fri Feb 25, 2022 8:21 pm
- Forum: Hypothetical Naval Scenarios
- Topic: Jean Bart vs Roma
- Replies: 6
- Views: 2330
Re: Jean Bart vs Roma
with original french shells with the defective cavity?
- Mon Feb 14, 2022 3:42 pm
- Forum: Naval History (1922-1945)
- Topic: Armor Quality
- Replies: 7
- Views: 3880
Re: Armor Quality
linear extrapolation of this data for 600lb (14,7") ~1520 fs by myself because of lack of data Typo correction: extrapolation should be ~1560 fs For the sake of completeness i took a deeper look into british reports. Another report ADM 281-127 ATC Meeting 22nd July 1948 lists the above mention...
- Mon Feb 14, 2022 12:38 pm
- Forum: Naval History (1922-1945)
- Topic: Armor Quality
- Replies: 7
- Views: 3880
Re: Armor Quality
The problem starts with varying meanings of the terms "penetration"/"perforation"... including evaluation of the results regarding platedamage/behavior and projectiledamage/behavior. fictual series of 10 shots vs one FH plate 1) 500 m/s shot shattered no light can be seen through...
- Sun Jan 30, 2022 5:33 pm
- Forum: Naval History in General
- Topic: Forward mainmast? Really?
- Replies: 11
- Views: 2174
Re: Forward mainmast? Really?
The german terms in question appears as the Vormars-Stand. This refers to the first observation platform as seen from forward.
Forward mainmast mixes
Vormars and Haupt Stand.
Forward mainmast mixes
Vormars and Haupt Stand.
- Mon Jan 24, 2022 10:21 am
- Forum: Bismarck General Discussion
- Topic: Bismarck 'Gürtel' Construction
- Replies: 10
- Views: 3733
Re: Bismarck 'Gürtel' Construction
All plates were individually fitted to the ships hull. depending on the hull shape at each plate had individual dimensions sample plate at frame 43.15m width above 3312 mm (320 mm thickness) width below 3322 mm (170 mm thickness) lenght left side seen from inside 5209 mm lenght right side seen from ...
- Sat Jan 15, 2022 1:42 pm
- Forum: Hypothetical Naval Scenarios
- Topic: Scharnhorst vs Alaska
- Replies: 34
- Views: 11437
Re: Scharnhorst vs Alaska
The Alaskas made every "heavy cruiser" obsoelete.
- Wed Jan 12, 2022 10:35 am
- Forum: Naval Technology
- Topic: Tracer shells question?
- Replies: 27
- Views: 6290
Re: Tracer shells question?
If i remember correctly german heavy ships also used tracers Tirpitz at the Svalbard (Spitzbergen) raid, Admiral Scheer during Unternehmen Wunderland against Port Dickson
- Wed Jan 12, 2022 9:45 am
- Forum: Bismarck General Discussion
- Topic: Was the battleship Bismarck really the best of its time?
- Replies: 220
- Views: 73933
Re: Was the battleship Bismarck really the best of its time?
US-Classifications of armour grade steels 1)Class A -face hardened armor = KC; KC(na), KVC (ger)= cemented armour (brit) (us classifcation did not clearly distinguish between cementation and other proceedings 2)Class B -thick homogenous armor usually >6" (~150 mm)= KNC(ger) = homogenous armour(...
- Tue Jan 11, 2022 2:03 pm
- Forum: Bismarck General Discussion
- Topic: Was the battleship Bismarck really the best of its time?
- Replies: 220
- Views: 73933
Re: Was the battleship Bismarck really the best of its time?
Hello Thorsten, I have a couple of questions. I hope you don't mind. armor penetration at 20 kyard~18,2 km vertical 448 mm vs 442 mm horizontal nominally 109 mm vs <80 mm (the problem US vertical penetration was an estimate calculated with US-empirical -Thompson F formula ( Buord Sk. 78841)) this f...
- Tue Jan 11, 2022 12:35 pm
- Forum: Bismarck General Discussion
- Topic: Was the battleship Bismarck really the best of its time?
- Replies: 220
- Views: 73933
- Mon Jan 10, 2022 5:14 pm
- Forum: Bismarck General Discussion
- Topic: Was the battleship Bismarck really the best of its time?
- Replies: 220
- Views: 73933
Re: Was the battleship Bismarck really the best of its time?
What a bad contribution. Im sorry.
- Tue Jan 04, 2022 12:08 pm
- Forum: Bismarck General Discussion
- Topic: Bismarck's TDS so abysmal?
- Replies: 16
- Views: 5411
Re: Bismarck's TDS so abysmal?
A detonation of 300 kg S1 produces a bubble of about 8,5 m diameter. therfor the TD-bulkhead is possibly within direct reach of the primary bubble. The bulkhead is a continous plate from the bottom of the ship up to about 70 cm above armor deck. I dont know if a 45 mm Ww- bulkhead can withstand the ...
- Mon Jan 03, 2022 7:58 am
- Forum: Bismarck General Discussion
- Topic: Bismarck's TDS so abysmal?
- Replies: 16
- Views: 5411
Re: Bismarck's TDS so abysmal?
i cannot see any of your pictures
- Mon Dec 20, 2021 2:54 pm
- Forum: Hypothetical Naval Scenarios
- Topic: Bismarck and Tirpitz vs Yamato
- Replies: 38
- Views: 10701
Re: Bismarck and Tirpitz vs Yamato
Bismarck actually achieved 20 secs reload time during trials ... These were speed tests of the ammunnition supply. The magazines/hoists could deliver about 19 shells per minute to the guns. and firing cycle was documented with 25,6 sec according Witzell (Chief Marinewaffenamt). maybe with safety pr...
- Mon Dec 20, 2021 2:17 pm
- Forum: Hypothetical Naval Scenarios
- Topic: Bismarck and Tirpitz vs Yamato
- Replies: 38
- Views: 10701
Re: Bismarck and Tirpitz vs Yamato
in a series of evolutionary designs, usually the bigger is better.