Search found 684 matches

by Thorsten Wahl
Mon Jan 21, 2019 2:40 pm
Forum: Bismarck General Discussion
Topic: Bismarck's armor against long range hits
Replies: 17
Views: 1645

Re: Bismarck's armor against long range hits

1) against 50 mm + 80 mm ther were several perforations on Scharnhorst(La Pallice) and Tirpitz (Tungsten)but no detonations the double impact on wheather deck and main armor deck obviously rendered all fuzes from 1600 lb armor piercing bombs into duds. 2) against 50 mm + 110 mm all bombs that hit br...
by Thorsten Wahl
Thu Jan 17, 2019 3:37 pm
Forum: Bismarck General Discussion
Topic: Bismarck construction flaws
Replies: 390
Views: 120647

Re: Bismarck construction flaws

I always wonder the slop portion of bismarck's turrets is weard. Is it too light for 180mm at such an important place? whats the distance you expect a penetration. the forward 180 mm slope had a projected hitable area of maybe about 100 m² at 10 km. for Bismarcks guns the 50% zone of impacts at 10 ...
by Thorsten Wahl
Mon Dec 10, 2018 1:58 pm
Forum: Hypothetical Naval Scenarios
Topic: Richelieu and Jean Bart
Replies: 49
Views: 5765

Re: Richelieu and Jean Bart

to small compare http://theminiaturespage.com/boards/msg.mv?id=466054 http://p0.storage.canalblog.com/03/95/399668/105107811_o.jpg https://digilander.libero.it/shinano/sitocorazzate/GranBretagna/Hood/history.htm Bomb splashes ? https://digilander.libero.it/shinano/sitocorazzate/GranBretagna/Hood/FOT...
by Thorsten Wahl
Tue Nov 20, 2018 1:36 pm
Forum: Hypothetical Naval Scenarios
Topic: Richelieu and Jean Bart
Replies: 49
Views: 5765

Re: Richelieu and Jean Bart

Decapping would obviously increase resistance, but by how much I'm not sure - so I'm not really sure how to judge it against against a single-thickness deck. the problem appears more difficult. and ist not only the effect of decapping one has to taken into account. If protection is increased or not...
by Thorsten Wahl
Fri Nov 16, 2018 6:38 pm
Forum: Bismarck General Discussion
Topic: New Moderator
Replies: 8
Views: 1581

Re: New Moderator

Warm welcome from me. :clap:
by Thorsten Wahl
Mon Nov 12, 2018 11:43 am
Forum: Hypothetical Naval Scenarios
Topic: Richelieu and Jean Bart
Replies: 49
Views: 5765

Re: Richelieu and Jean Bart

I think to remember that on "Scharnhorst"'s triple turrets (whose guns were fired usually within the same salvo) the central gun fired first, followed (within 10 to 20 milliseconds delay) by the lateral ones. I don't know whether delay coils were implemented on Bismarck's too. Bye, Alberto Delay co...
by Thorsten Wahl
Wed Nov 07, 2018 2:35 pm
Forum: Bismarck General Discussion
Topic: Bismarck's armor against long range hits
Replies: 17
Views: 1645

Re: Bismarck's armor against long range hits

No detailed Information about the real thicknesses is given in the report, Ist my conclusion as usually the "weakest point" is considered in general assumptions ------------------------------------------------------------------------------------------------------------ regarding the 8 cm wheather de...
by Thorsten Wahl
Wed Nov 07, 2018 8:30 am
Forum: Bismarck General Discussion
Topic: Bismarck's armor against long range hits
Replies: 17
Views: 1645

Re: Bismarck's armor against long range hits

for a start the cited Textband Unterlagen zur Bestimmung der Hauptkampfentfernung und Geschosswahl -W Hurlich spaced Armor http://www.dtic.mil/docs/citations/ADA954865 --------------------------------------------------------- SUPP 22-68 SPACED ARMOUR.jpg The problem of increased deck protection was ...
by Thorsten Wahl
Mon Nov 05, 2018 2:06 pm
Forum: Bismarck General Discussion
Topic: 38 cm shells
Replies: 60
Views: 21303

Re: 38 cm shells

its the same.

but sometimes if you use muzzle energy, it may be confound with muzzle velocity and
weight of propellant charge is more intuitive to energy I would say.
by Thorsten Wahl
Mon Nov 05, 2018 1:02 pm
Forum: Bismarck General Discussion
Topic: Bismarck's armor against long range hits
Replies: 17
Views: 1645

Re: Bismarck's armor against long range hits

aggree with @Bill Jurens small addition a Basic overview on the philosophy of german ballistic protection can be found in the "Unterlagen zur Bestimmung der Hauptkampfentfernung und Geschosswahl Heft a Textband" "Recomendations for determining the main combat distance and projectile selection, textu...
by Thorsten Wahl
Tue Oct 30, 2018 3:14 pm
Forum: Bismarck General Discussion
Topic: Bismarck construction flaws
Replies: 390
Views: 120647

Re: Bismarck construction flaws

In this case, the angle of fall indeed appears to be about 19 degrees, but the projectile is shown in plan (why are the views not aligned?) as approaching from 40 degrees forward of the bow. A bit of mathematical (or geometric) manipulation, which I will not go into in great detail here, indicates ...
by Thorsten Wahl
Wed Oct 24, 2018 1:02 pm
Forum: Bismarck General Discussion
Topic: Bismarck construction flaws
Replies: 390
Views: 120647

Re: Bismarck construction flaws

There may be some confusion here from the DS battle, where one of the three hits by POW did penetrate a boiler room, where five stokers suffered serious scald wounds. The shell dived under the belt approximately in this way and detonated in the proximity of the torpedobulkhead -blue -E-werk out of ...
by Thorsten Wahl
Tue Oct 16, 2018 9:01 am
Forum: Bismarck General Discussion
Topic: Hits on PoW and Bismarck
Replies: 284
Views: 13938

Re: Hits on PoW and Bismarck

I made also a visualisation of the E-Werk hit uncertainty of UW trajectiory has to be observed. projectile probably hit the static wave trough generated by shipmovement the 12,5 m distance is determined by the likely arming distance for the british fuze as the projectile detonated at contact with th...
by Thorsten Wahl
Tue Oct 16, 2018 7:41 am
Forum: Bismarck General Discussion
Topic: Hits on PoW and Bismarck
Replies: 284
Views: 13938

Re: Hits on PoW and Bismarck

More importantly, there was a loss of more than 1000 tons of precious fuel. Fuel tanks had been contaminated by seawater, and the fuel distribution system forward had been seriously damaged. the projectile obviously damaged all watertight walls on its way through the ship my conclusion from descrip...
by Thorsten Wahl
Mon Oct 08, 2018 10:31 am
Forum: Hypothetical Naval Scenarios
Topic: Yamato Instead of Kirishima 13th Nov 1942
Replies: 22
Views: 8153

Re: Yamato Instead of Kirishima 13th Nov 1942

My take is the Japanese had better observation of the destroyers and targeted them, leaving the two BB outside the clusters of torpedo tracks. The Japanese were 100% dependent of visual observation and the slightly closer destroyers may have been clearly identified first, leading to them as the aim...