Calculating position, real course and speed only by hydrophones!

[Nuoz]

Originally Posted by Sailor Steve

Pretty good, since no one ever did that successfully in real life. Once again the game cheats.

That's probably because they had to identify the ship they were hitting to save torpedos, hitting them in the most adequate spot amd avoid a friendly hit.

[joegrundman]

This geometrical based technique is great and it really works well within certain parameters. I didn't find it so hard to understand, and it was brilliantly written. I also don't see how it can be cheating, unless the hydrophones just weren't that accurate. But in fact the technique doesn't require especially great hydrophone accuracy. I guess that it was tricky to be sure of your own absloute motion, but again, extreme accuracy isn't needed there.

In fact i think towards the end of the war, sonar based target motion analysis was being used, wasn't it?

Anyway, I've used it to sink a target blind, but i used a longitudinal spread to do so. It's accuracy under favourable conditions is marvellous, although given the chance i prefer to make visual contact before shooting.

For me, there are two kinds of situation where the conditions are not favourable. Firstly when the intial AOB is very small, the changes in bearing at the beginning are too small to be helpful, and then as the target nears the changes are too large to be able to make the third "bearing prediction line" with great accuracy.

Secondly, when the initial AOB is large, or the target is moving fast, the 16 minutes wait time means that you cannot intercept targets which may be reachable using other techniques (unless you are prepared to run on the surface without sonar contacts at all)

Still, this technique has definitely entered my box of tricks, and I love those big circles everywhere!

[jmr]

Originally Posted by Canovaro

Have you PM'ed the author?
I'm interested in this video.

I just PM'd him now but it looks like he doesn't frequent these boards all that often.

Originally Posted by joegrundman

In fact i think towards the end of the war, sonar based target motion analysis was being used, wasn't it?

Yeah I believe so as well. In fact when I'm done with my VII career I'd like to start a new one with a XXI and use this technique almost exclusively. Although like you said I still like to use the periscope to get a visual ID of what I'm targeting and to refine my firing solution.

For me, there are two kinds of situation where the conditions are not favourable. Firstly when the intial AOB is very small, the changes in bearing at the beginning are too small to be helpful, and then as the target nears the changes are too large to be able to make the third "bearing prediction line" with great accuracy.

Secondly, when the initial AOB is large, or the target is moving fast, the 16 minutes wait time means that you cannot intercept targets which may be reachable using other techniques (unless you are prepared to run on the surface without sonar contacts at all)

Aye I've found this out as well when I began learning and using this technique.

[Louis Wu]

Copied soundtrainer.mis to the singlemissions/english directory and also to a singlemissions/english/SOUNDS directory. It shows up under Single Missions, SH3 1.4b, as SOUND. Clicking on Start does nothing. What is the correct way to install Sound Trainer?

[VolvicCH]

First post in the thread might as well have been written in sanskrit......but then again i was never very good at math Oh well, i still manage to get pretty decent tonnage




Have a nice day