Search found 1324 matches

by marcelo_malara
Fri Jul 23, 2021 2:35 am
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Very good data guys, thanks! Remains the question of how the gun´s fire was controlled, I presumed that a future position of the target was selected, the time of arrival of the target to that position computed, and at that time of arrival less the time of flight of the shells the guns were fired. It...
by marcelo_malara
Wed Jul 21, 2021 9:00 pm
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

So, they were not two full broadsides?
by marcelo_malara
Wed Jul 21, 2021 5:23 pm
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Hi Wadinga. Your post seems correct, because the port proper is as far to the W of the entrance as your deduced position is to the E of it, so for the intention of commanding the entrance both position would be the same, with the E position having the advantage of more range to the sea. The scale on...
by marcelo_malara
Wed Jul 21, 2021 1:55 am
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Well, this was near summer, one day would suffice to find true North and calculate the bearing of the fore and aft line of the ship, from that any true bearing could be converted to relative bearing. One question, the pier of Stanley is located on a E-W line, in the South shore of the internal bay a...
by marcelo_malara
Tue Jul 20, 2021 6:45 pm
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Hi Wadinga. For the sake of accuracy, I think that true North would be used both in the ship and in the OP, surveyed by Sun meridian passage (or other mean) and not by gyro compass in the case of the ship.
by marcelo_malara
Tue Jul 20, 2021 4:17 pm
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Thanks guys. I think that the letter posted is pretty conclusive about the true of the history. Anyone knows another instance of a moored ship firing at a moving one directed from shore?

Regards
by marcelo_malara
Sat Jul 17, 2021 4:27 pm
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Hi Wadinga. Thanks for the reference! A heavy damaged stack would allow smoke thru the damage, most probably closer to deck than to top, it should have been noticed by other ships. From time to time a shell described hitting by the shooters but denied by the receiving side is discussed, may me this ...
by marcelo_malara
Wed Jul 14, 2021 4:51 pm
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

Re: HMS Canopus at Port Stanley

Hi Paul. Yes, the book you mentioned is Coronel and the Falklands (Bennett, Geoffrey), the practice shell ricocheted in the water short of Gneisenau and (supposedly) hit the stack, whereas the other two AP shells exploded on impact with the water. The question is if there is a German testimony suppo...
by marcelo_malara
Wed Jul 14, 2021 2:44 am
Forum: The Dreadnought Era (1906-1921)
Topic: HMS Canopus at Port Stanley
Replies: 24
Views: 423

HMS Canopus at Port Stanley

Hi guys. You know that the said pre dreadnought was anchored at Port Stanley during the attempted intrusion of Spee´s squadron. Two questions: -it is said that the RN setup a system of shore directed firing for the ship, as she had no direct view of the waters outside the harbor. Does anyone have th...
by marcelo_malara
Sat May 15, 2021 4:45 pm
Forum: Naval Weapons
Topic: Torpedoes explosions at the end of run
Replies: 6
Views: 435

Re: Torpedoes explosions at the end of run

What would happen with the torpedo sinking at the end of the run? Would the collapse of the warhead because of the water pressure make it explode?
by marcelo_malara
Wed May 12, 2021 3:03 pm
Forum: Naval Weapons
Topic: Torpedoes explosions at the end of run
Replies: 6
Views: 435

Torpedoes explosions at the end of run

Hi guys. Do you know if any navy did have a specific policy about detonating the warhead at the end of run? Have heard this, but for example could not find the specific mechanism in (for example) the Mk14´s torpedo manual in the HNSA site .

Regards
by marcelo_malara
Tue May 04, 2021 2:46 am
Forum: Naval History in General
Topic: the main armament of the General Belgrano
Replies: 25
Views: 1712

Re: the main armament of the General Belgrano

No, it was armed with 6" and 5" guns, plus Bofors 40mm, may be Oerlikons, and two Sea Cat missile launchers. No way that at that distance even the Exocet would be useful for a target located close to the islands. Anyway, she was on a war cruise and as such was a legitimate target, even her CO Capt B...
by marcelo_malara
Wed Apr 28, 2021 12:15 am
Forum: Naval History (1922-1945)
Topic: Scharnhorst/Gneisenau’s Northern Patrol Raid Question
Replies: 3
Views: 356

Re: Scharnhorst/Gneisenau’s Northern Patrol Raid Question

Just to coincide on Haar, both books about Norway are unequaled.

Regards
by marcelo_malara
Tue Apr 27, 2021 12:44 am
Forum: Bismarck General Discussion
Topic: Raumotters to the Rescue
Replies: 26
Views: 1043

Re: Raumotters to the Rescue

Oh yes, the stress as you described would be higher than the smooth water towing. Other issue would be the towing cable friction against the mine´s mooring cable as it travels to the cutter.
by marcelo_malara
Mon Apr 26, 2021 4:26 pm
Forum: Bismarck General Discussion
Topic: Raumotters to the Rescue
Replies: 26
Views: 1043

Re: Raumotters to the Rescue

There is no way that the pull would be 30 tons. Let me do some calculations. The paravane is subjected to two forces , lift and drag (plus weight and buoyancy, that have no part on this calculation), the resultant of them would give the angle of the tow. Should the resultant be 30.000 kg, the lift w...