Search found 1111 matches

by marcelo_malara
Thu Jun 20, 2019 4:09 am
Forum: World War II
Topic: Britain Sues for Peace 1940.
Replies: 9
Views: 184

Re: Britain Sues for Peace 1940.

Thanks, looks like taken from one of the West Point military atlas.

Regards
by marcelo_malara
Wed Jun 19, 2019 4:09 pm
Forum: World War II
Topic: Britain Sues for Peace 1940.
Replies: 9
Views: 184

Re: Britain Sues for Peace 1940.

True, you may say "almost overrun".

Regards
by marcelo_malara
Wed Jun 19, 2019 1:43 am
Forum: World War II
Topic: Britain Sues for Peace 1940.
Replies: 9
Views: 184

Re: Britain Sues for Peace 1940.

My opinion, no belligerent surrendered in WWII unless its country was totally overrun but the enemy´s armies. UK had no reason to surrender. In the event that the u-boat offensive had more drastic results than it actually had, and UK was totally cut of external help, and USA didn´t come to their hel...
by marcelo_malara
Wed Jun 05, 2019 3:08 pm
Forum: Naval Technology
Topic: Question For Bill Jurens & All Re Barrel Length
Replies: 4
Views: 323

Re: Question For Bill Jurens & All Re Barrel Length

Interesting, so much effort to obtain 1500 m/s, what is about the same as an APFSDS anti tank projectile.

Regards
by marcelo_malara
Thu May 30, 2019 10:37 pm
Forum: Naval Technology
Topic: Question For Bill Jurens & All Re Barrel Length
Replies: 4
Views: 323

Re: Question For Bill Jurens & All Re Barrel Length

I think that there is a limit in the amount of powder you can burn in a barrel. If you make an extra long 37 mm barrel you will need more powder to propel the bullet, but that powder will burn at the same speed that in a short barrel, so the pressure would be higher. You can use a slower burning pow...
by marcelo_malara
Tue May 28, 2019 12:43 am
Forum: Naval History in General
Topic: Need help with WW2 Torpedo performance.
Replies: 11
Views: 607

Re: Need help with WW2 Torpedo performance.

The special case of the Q ships come to my mind. They were common merchant ships, but the holds were full of empty barrels, a torpedo may open the hull, but the barrels make the compartment permeability (I hope I am using the correct term, the percentage of a compartment that can be filled with wate...
by marcelo_malara
Sun May 26, 2019 10:22 pm
Forum: Naval History (1922-1945)
Topic: HMS Hood sinking painting
Replies: 5
Views: 184

Re: HMS Hood sinking painting

Thanks Alberto. The document mentions 40°, less than the painting I think.
by marcelo_malara
Sun May 26, 2019 6:51 pm
Forum: Naval History (1922-1945)
Topic: HMS Hood sinking painting
Replies: 5
Views: 184

Re: HMS Hood sinking painting

Hi OpanaPointer, I'm not skeptical about the angle (several witnesses saw Hood bows almost vertical) but by the length of her hull out of the water that looks a bit exaggerated: the stern was already gone and all the large internal spaces (engine rooms) flooded, thus not enough buoyancy to have the...
by marcelo_malara
Sun May 26, 2019 4:37 pm
Forum: Naval History in General
Topic: Need help with WW2 Torpedo performance.
Replies: 11
Views: 607

Re: Need help with WW2 Torpedo performance.

I fully agree Byron. There is no easy way to know the effect of a hit. The Yamato was able to cope with about 10 torpedoes. But Scharnhorst was seriously damaged by one, same for Bismarck.

Regards
by marcelo_malara
Sat May 25, 2019 1:39 am
Forum: Naval History (1922-1945)
Topic: HMS Hood sinking painting
Replies: 5
Views: 184

HMS Hood sinking painting

Hi guys, I am curious about this painting of the Hood sinking, https://en.wikipedia.org/wiki/HMS_Hood# ... S_Hood.jpg, whose anniversary happens to be today. Did anyone actually see Hood in such a high angle?

Regards
by marcelo_malara
Fri May 24, 2019 4:53 pm
Forum: Naval Weapons
Topic: Depth charge in Dido class cruisers
Replies: 2
Views: 289

Re: Depth charge in Dido class cruisers

Thanks wadinga! Strange that the common sources (Whitley cruisers, even Raven&Roberts) don´t even list it.

Regards
by marcelo_malara
Thu May 23, 2019 3:13 pm
Forum: Naval Weapons
Topic: Depth charge in Dido class cruisers
Replies: 2
Views: 289

Depth charge in Dido class cruisers

Hi guys. Take a look at this photo:

https://www.iwm.org.uk/collections/item ... /205185581

It is captioned as an Oerlikon and a thrower on HMS Hermione. Did the Didos carry depth charges?

Regards
by marcelo_malara
Thu May 23, 2019 1:19 am
Forum: Naval History in General
Topic: Need help with WW2 Torpedo performance.
Replies: 11
Views: 607

Re: Need help with WW2 Torpedo performance.

The torpedo protection of a modern battleship is about 5 m wide, that is why it is very difficult to sink a battleship with a couple of torpedoes, they just explode away from the vitals, they can not penetrate the hull as a shell does. On a cruiser it is almost imposible to find 5 m on each side for...
by marcelo_malara
Fri May 17, 2019 4:09 pm
Forum: Naval Technology
Topic: gun placement on battleships
Replies: 21
Views: 476

Re: gun placement on battleships

Hi Alberto. Yes. Gascogne is covered quiet in depth in Jordan´s book.

Regards