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by George Elder
Tue Mar 22, 2005 12:46 am
Forum: Naval Weapons
Topic: 1921 firing trials against Baden
Replies: 145
Views: 78392

Some good basic Drag info...

Hi Marti:

Please contact me by e-mail, and I will give you some very good information of drag that is from my teacher. Drop me a line at GHE101@aol.com

George Elder
by George Elder
Mon Mar 21, 2005 1:17 pm
Forum: Naval Weapons
Topic: 1921 firing trials against Baden
Replies: 145
Views: 78392

Write me off line...

Hi Marty: The problem wasn't even fully quantified untill 1944 firing trials, although one suspects that adjustments were made to the firing tables earlier that were based on observations. The cam fix wasn't made untill late 1945, and it isn't that simple a procedure. This is just an example of how ...
by George Elder
Sun Mar 20, 2005 6:57 pm
Forum: Naval Weapons
Topic: 1921 firing trials against Baden
Replies: 145
Views: 78392

The totality of all variables...

Weight, diameter, "wobble" and air density all play roles. The range tables also have to consider such nicities as proplellent temperature, etc., and thus it was very easy to make mistakes on the tables. We were tracing down faults in the US range tables for the 16"/45 and 16"/50 tables, and found p...
by George Elder
Fri Mar 18, 2005 5:28 pm
Forum: Naval Weapons
Topic: 1921 firing trials against Baden
Replies: 145
Views: 78392

Interesting, and why do you...

... supect this might be the case? With regard to intelligence as it relates to shell weights and initial MVs, these data were published in Brassey's and other journals, and most of the data is fairly reliable. Indeed, even in the 1920s they were putting in cross-sectional diagrams of some shells, e...
by George Elder
Thu Mar 17, 2005 3:05 am
Forum: Naval Weapons
Topic: 1921 firing trials against Baden
Replies: 145
Views: 78392

No one owns GKdos 100.

Hi Ulrich: When I received the document there was no understanding of exclusivity, and the translations you did and that I edited were a bit more elborate than that of the US version. Indeed, you edited sections that went beyound the potted rendition. As far as I am concerned, there is no problem, a...
by George Elder
Tue Mar 15, 2005 1:56 am
Forum: Bismarck General Discussion
Topic: "Official" Version of Battle?
Replies: 104
Views: 34375

Let us take pause here...

Before anything is concluded, let us see the FINAL reconstruction of Rob's map. Indeed, I'll await the final edit before making any opinion. This seems like the best way to proceed. As for standard German operating procedures in this tactical situation, what the heck are these? I've never read anyth...
by George Elder
Fri Mar 11, 2005 6:44 am
Forum: Bismarck General Discussion
Topic: "Official" Version of Battle?
Replies: 104
Views: 34375

On shielding the PE.

Hi Rob: It seems most unlikily that shielding the PE would have been at all in the Bismarck's interest before the Hood was sunk and especially after it was sunk. In the former case, preserving the Bismarck's potential while the range rapidly closed is a function of shells fired at him per unit of ti...
by George Elder
Thu Mar 10, 2005 5:00 pm
Forum: Bismarck General Discussion
Topic: "Official" Version of Battle?
Replies: 104
Views: 34375

My deepest sympathy goes to you...

... for the loss of one so dear. People keep telling me that such things get better with time, although I am not quite sure I believe it. But it seems that you are becoming involved again, and that is a good thing. My problem with this course exercise is that if we do the graphics, in Rob's proposal...
by George Elder
Wed Mar 09, 2005 5:43 pm
Forum: Naval Technology
Topic: About TDS
Replies: 31
Views: 8919

George Elder

Well, anywhere you hit a sub with a penetrating hit is a very bad thing. If the saddle tanks get ruptured, the sub cannot surface. If the internal hull is breached, you drown rather than suffocate. As for the small size of the torpedo, this allows them to be carried by a wide array of aircraft and s...
by George Elder
Tue Mar 08, 2005 3:07 am
Forum: Bismarck General Discussion
Topic: "Official" Version of Battle?
Replies: 104
Views: 34375

I wonder about this view...

Hi Rob: You note: Antonio then has the Bismarck crossing the wake of the Prinz Eugen at 0603, sailing out several hundred yards to starboard of the Prinz Eugen, and swinging in a wide arc behind the Prtinz Eugen, leaving the cruiser exposed to heavy enemy gunfire in direct violation of German naval ...
by George Elder
Sun Mar 06, 2005 1:42 pm
Forum: Naval Technology
Topic: About TDS
Replies: 31
Views: 8919

Most likily an ASW weapon.

Well, that would explain the limited need for an elongated jet and relatively small size.

George
by George Elder
Sat Mar 05, 2005 8:23 pm
Forum: Bismarck General Discussion
Topic: "Official" Version of Battle?
Replies: 104
Views: 34375

Instead of attacking, it might be better...

....to modify the map Antonio made to best represent your position. Then we can compare and contrast. This seems like a reasonable way to proceed.

George
by George Elder
Sat Mar 05, 2005 12:59 pm
Forum: Naval Technology
Topic: About TDS
Replies: 31
Views: 8919

I don't think it was a fully mature design...

... and it would indeed be interesting to compare it with the German warhead in terms of probgable jet elongation. Can you post the German diagram?

George
by George Elder
Sat Mar 05, 2005 12:55 pm
Forum: Bismarck General Discussion
Topic: "Official" Version of Battle?
Replies: 104
Views: 34375

And what about the map?

Hi Rob: I think you would be well served by modifying the map Antonio made to best represent your position. It seems to me that this current exercise would do more to get at the heart of things than all the rehashing of the past. As for my view on how Antonio resolved the order from Bismarck to PE t...
by George Elder
Fri Mar 04, 2005 5:33 pm
Forum: Naval Technology
Topic: About TDS
Replies: 31
Views: 8919

Marty isessentially correct.

The USA, Germans, and others focussed of developeing a torpedo that would focus its explosive force into the innards of the target vs creating a general explosion that would vent much of its force upwards against the lesser resistance of the water's surface. There was considerable study of the Monro...

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