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Old 11-03-07, 03:03 AM   #241
Hitman
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Btw in German AOB is not Kurswinkel. We call it "Lagewinkel".
On OLC's request, here's the explanation:

Lagenwinkel is the AOB in the torpedo firing triangle, while Kurswinkel is the AOB in the triangle represented by the two ships course (Own ship and enemy ship). The two ships triangle is used to calculate the speed and course of the enemy vessel, whereas the torpedo firing triangle is used to calculate the torpedo lead angle or "Vorhalt".

Both triangles have one corner (angle) in common: The AOB, but the other corners (angles) will only match if you are shooting with zero Gyro Angle (Straight from the bow).

The TDC calculates the Torpedo firing triangle and gives the Gyro Angle as solution. Our AOB wheel does not calculate anything related to the firing solution, but since the target course angle also serves for that solution we can take it straight.
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Old 11-03-07, 06:41 AM   #242
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Hallo Hitman,

sorry I am a little bit confused.

I always thougt:

AOB is the angle between the long axis of the other ship and a line from my sub to the middle of the other ship.
See the the little drawing. Here the AOB (Lagewinkel )is 90°

Kursdifferenzwinkel is here 0°

The term Kurswinkel is the angle between the meridiane (North) and our motion direction. = Heading

The heading is of no relevance programming the TDC because the relative positions and movements are important things for setting the TDC.

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Friedl9te SilentHunter III Help Thread (Sorry in German)

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Old 11-03-07, 06:44 AM   #243
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I enabled this mod while in port and JSGME didnt say there was any conflicts, but when i loaded up my career or even a single mission. The command room seemed like it was in slow motion and the mouse was very slow too. When I moved to any other station or the outside view everything went back to normal. The reason for all this is because I had the Elite u-boat crew uniforms enabled in JSGME. When this was disabled everything went back to normal. Just thought id let people know if they have this mod enabled because it seems to conflict with the OLC GUI.
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Old 11-03-07, 08:24 AM   #244
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One question for Friedl9te.

I am reading your small tutorial about how making the calculations with mod of OLC. Thank you very much by your job for to make the use easier of this mod

In a point of your tutorial you say: Align the number of seconds with the ships length. 69 seconds/140 meters and read AT an angle of 54 Degrees the speed in knots, which is 4 in this marries.

My question is: why you say read AT an angle 54 degrees? Why those data? Can you explain it? It would thank for it to you.

It has a scientific base or it is a faith question? It is for putting the humor note.:p

Thank you very much.

PS. My english is bad. I'm sorry
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Old 11-03-07, 08:51 AM   #245
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Quote:
Originally Posted by Einsman
One question for Friedl9te.

I am reading your small tutorial about how making the calculations with mod of OLC. Thank you very much by your job for to make the use easier of this mod

In a point of your tutorial you say: Align the number of seconds with the ships length. 69 seconds/140 meters and read AT an angle of 54 Degrees the speed in knots, which is 4 in this marries.

My question is: why you say read AT an angle 54 degrees? Why those data? Can you explain it? It would thank for it to you.

It has a scientific base or it is a faith question? It is for putting the humor note.:p

Thank you very much.

PS. My english is bad. I'm sorry
Yes it is scientific based.
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Old 11-03-07, 08:58 AM   #246
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Quote:
Originally Posted by Einsman
One question for Friedl9te.

I am reading your small tutorial about how making the calculations with mod of OLC. Thank you very much by your job for to make the use easier of this mod

In a point of your tutorial you say: Align the number of seconds with the ships length. 69 seconds/140 meters and read AT an angle of 54 Degrees the speed in knots, which is 4 in this marries.

My question is: why you say read AT an angle 54 degrees? Why those data? Can you explain it? It would thank for it to you.

It has a scientific base or it is a faith question? It is for putting the humor note.:p

Thank you very much.

PS. My english is bad. I'm sorry
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Old 11-03-07, 08:59 AM   #247
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Quote:
Originally Posted by Kpt. Lehmann
Quote:
Originally Posted by Badger Finn
I dont know what the stock game is like...
Oh heck! You really ought to fire up stock SH3 at least for an hour or two.

Its pretty much unrecognizeable now.
Yes Kapt I have dabbled @ Navel Academy for about a week and a patrol when i scored this sim outta the bin. Ill stick with GWX for the mo

Last edited by Badger Finn; 11-04-07 at 04:31 PM.
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Old 11-03-07, 09:07 AM   #248
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Thank you by your replys Friedl9te, looney
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Old 11-03-07, 01:38 PM   #249
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Hallo Hitman,

sorry I am a little bit confused.

I always thougt:

AOB is the angle between the long axis of the other ship and a line from my sub to the middle of the other ship.
See the the little drawing. Here the AOB (Lagewinkel )is 90°

Kursdifferenzwinkel is here 0°

The term Kurswinkel is the angle between the meridiane (North) and our motion direction. = Heading

The heading is of no relevance programming the TDC because the relative positions and movements are important things for setting the TDC.
That is correct for the firing triangle, however not for the other triangle. Look at this:





There are TWO triangles here.

Triangle 1 (U-Boot to target triangle):

Angle #1: UBoot bearing to target (Seitenwinkel oder Zielpeilung)
Angle #2: Target bearing to UBoot (Kurswinkel)
Angle #3: Intersect of both U-Boat and Target courses

Triangle 2 (Torpedo-target triangle or firing triangle):

Angle #1: Torpedo lead angle i.e. how much forward of the target must the torpedo aim for a hit (Vorhaltewinkel)
Angle #2: Target bearing to Torpedo (Lagenwinkel)
Angle #3: Intersect of both Torpedo and Target courses (Schneidungswinkel)

Finally, Angle #4 (A subdivision of the Vorhalwinkel): Torpedo turn from its initial position in the tube to achieve the calculated Vorhalt (Gyro Angle or GA winkel)

The confusing part of this all is that both triangles have one side in common, therefore different names were given to understand what you are speaking about (A navigational or a torpedo solution triangle)

In the Periscope wiz-wheel, the name used is "Kurswinkel" because its purpose is to determine target relative heading.

See this close-up picture:

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Old 11-03-07, 02:29 PM   #250
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Thanks Hitman!
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Old 11-03-07, 03:10 PM   #251
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Thank you !
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Old 11-03-07, 04:24 PM   #252
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Quote:
Originally Posted by Einsman
My question is: why you say read AT an angle 54 degrees? Why those data? Can you explain it? It would thank for it to you.

It has a scientific base or it is a faith question? It is for putting the humor note.:p
Ok, I got a reasonable explanation now. ...

Edit: Nov.6 2007; Argh!! It's actually wrong. I ignored an important part about the scopemark-scale construction: tangent formula. Thanks to OLC for giving the correct formula)

If you set both 100 marks underneath eachother this represents a speed of 100 meter per 100 seconds, or 1 meter/second. Now if you look at the value above the 90 degree mark it is 2.3, where as 1m/s is actually 1.9438 knots ... How do I know this? Because of the formula (courtesy of OLC in private messages) of the scopemark value above the 90 degree number:

scopemark_above_90degree=8*arctan(basis/ (range*2)), (in 1.5x magnification) where basis en range are both meters.

If I ignore the hundred meter text on the range-scale for the purposes of this speed trick (and just look at the numbers on it) the formula becomes:

scopemark_above_90degree=8*arctan(length/ (time*2*100))

From this I conclude that if 1852 meters length in 3600 seconds is 1 knot, the scopemark value above 90degrees is:

scopemark_above_90degree=8*arctan(1852/ (3600*2*100))= 1.1790

Thus the correct mark indicating speed ( 1 knot) is not at the 90 degree mark but more to the right. The right angle is at arcsine(1/1.1790)=58.0 degrees.


OLC:
Remember to check/redraw ALL those scales, AOB may be skewed too. Earlier this year I worked on making my own circular sliderule for subsims with an AutoCAD clone program. (based on this one; also used by Redwine for a SH2 mod) However I lost the file a couple of months ago due to a HD format. Plotting those individual marks was mind numbing work. I know. Well, that's what happend if you want to put in too many small marks. If I had any experience or knowledge of bitmap graphics programs I'd provided one for ya.

Last edited by Pisces; 11-06-07 at 01:20 PM.
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Old 11-03-07, 06:04 PM   #253
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So in an Ideal game we could coose wich ocular we use:
1 normal attack scope (top one)
2 hmm what's the propper name. AoB/Speed finder scope.

Cause I think it's a shame the rings block so much from the view, making below 1.5k shots harder than they should be.
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Old 11-03-07, 06:17 PM   #254
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Quote:
Originally Posted by looney
So in an Ideal game we could coose wich ocular we use:
1 normal attack scope (top one)
2 hmm what's the propper name. AoB/Speed finder scope.

Cause I think it's a shame the rings block so much from the view, making below 1.5k shots harder than they should be.
Yes, thats what I though sometimes.
Maybe they could be done bigger ?
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Old 11-04-07, 07:04 AM   #255
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Originally Posted by Slang
Hey guys,

New poster here. I've been following this mod for awhile now and can say it looks great. Unfortunately i'm having problems with it and could use some help.

I installed the mod and loaded up the game, and went straight to the naval academy torpedo mission to learn how to use it. no problems there. It works perfectly and I scored all direct hits. But now when I try to load a career save I get a CTD.

I've tried several different things to try to eliminate the problem with no luck.

*I uninstalled the mod and loaded up my Career save. It loaded fine.

*I tried creating then loading a new Career. CTD.

*I've tried loading with and without SH3 Commander. ( SH3 Commander was Rolledback prior to installation and the U boat folder copied over).

*Unloaded all non GWX specific mods and tried again.

I'm stumped as to what to try next.

Its so weird that it worked in the training mission but not a campaign.

Any suggestions would be appreciated.

Cheers.
I got the exact same problem now, did you ever find a cause or even solution?
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