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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
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#1 |
Ensign
![]() Join Date: Nov 2009
Location: France
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Bonjour,
This only works with the targets on the map. Otherwise you must use the device superimposed images from the periscope.
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![]() "Pacific is a big ocean. You don't have to find the enemy if you don't want to." Dick O'Kane |
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#2 | |
Ocean Warrior
![]() Join Date: Mar 2007
Location: Houston, TX
Posts: 2,731
Downloads: 393
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You don't need the targets displayed on the map. If you get the range and bearing (by periscope, sonar, or radar), you can plot the target yourself. Of course, it does become much more complicated to do this method with map contacts off. I'm still willing to pay the full price I paid for the game just for the ability to lock a target, get the range, hit the button, and have the position plotted on the map automatically. (Or at least have the PK marker on the map screen.)
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"Never ask a World War II history buff for a 'final solution' to your problem!" |
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#3 |
Navy Seal
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Never in the war was there a single incidence of obtaining target speed by timing the ship's length by the wire. The majority of the time the target was misidentified and that technique would have resulted in bizarre numbers anyway.
We have had several very fanciful targeting techniques developed which are not historically justifiable. This is one of them. It is simply gaming the system by using god's eye information not available to real submarine crews. Razark has it absolutely correct: plotting is the beginning and end of a successful attack. And TMO has nothing to do with it, except that it shows ship positions by a position dot, not a silhouette, has no explanitory text and the attack map is lacking some extraneous information also. I believe that you are not using the TDC properly. It is crucial that you obtain and enter information in a certain order not specified in the game manual or any manual targeting instructions that I've seen outside of my own. If you're interested, I could tell you about it, but it's a large post on its own! But when I'm done you will understand why you're doing it wrong, I will prove why order of operations is crucial and you'll be able to visualize the process in a way that will ensure your setup is right every time. It's not enough to memorize a list of things to do. You have to know why each step is in that particular order and understand what each step accomplishes. Without in depth understanding of the process you will miss and never know why. Oh, mallet, quite the opposite of doing calculations in your head, every operation you can unload from your head and make the TDC or plot do will increase your accuracy. You will want all operations to be self-validating so mistakes are OBVIOUS. Numerical calculations are garbage in/garbage out with no obvious error trapping. They're very bad ways to run a war! Vector analysis, for instance, beats trigonometry every time!
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Sub Skipper's Bag of Tricks, Slightly Subnuclear Mk 14 & Cutie, Slightly Subnuclear Deck Gun, EZPlot 2.0, TMOPlot, TMOKeys, SH4CMS Last edited by Rockin Robbins; 09-08-16 at 10:15 AM. |
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#4 | ||
Ocean Warrior
![]() Join Date: Mar 2007
Location: Houston, TX
Posts: 2,731
Downloads: 393
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I do know that whatever I've been doing seems to work. I put in the AoB/target course, then speed, and finally the bearing and range, which I'll update as needed. Only after that do I turn on the PK. (But then, I've got a number of mods that might affect data input.) Quote:
One of the first things I do when starting a patrol is go to a quiet area of the map, and draw out a diagram setting up angles and circles I manipulate to solve the problem. I keep meaning to learn the Is-Was.
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"Never ask a World War II history buff for a 'final solution' to your problem!" Last edited by razark; 09-08-16 at 05:15 PM. |
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#5 | |
Soundman
![]() Join Date: Aug 2015
Location: Australia
Posts: 147
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My reasoning is based on the fact that the TDC input has to be done in real time and the ship is always moving. Once I obtain the speed, that wont change unless the target changes course so I want to do that first. If I do it last then I am racing around the screen clicking at the end and that is a perfect breeding ground for mistakes. That leaves the two things that do change in real time. AOB changes the slowest of the two, especially if you are plotting way ahead of firing time. This is because any angular change between me and the target happens slowly until the target is crossing in front of me. The range I enter last and once I do, I click the PK as soon as possible because the range constantly changes. Remember that the estimate of range is only valid for a single moment in time because we are looking at a moving target. The real drawback of the TDC is that the stadimeter is rubbish, but that's another story. |
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#6 |
Navy Seal
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Okay, I was wanting to know I was talking to interested people and not just pushing my ideas on unreceptive mindsets. It doesn't do any good to do that because all listening is voluntary
![]() Okay, let's first look at what the TDC does when the position keeper is on. What it's really doing is setting up an artificial target. When you shoot, you are not shooting at that ship out there, you are shooting at the TDC's artificial target. You WILL hit the artificial target. But, because it really doesn't exist you don't get booms! That is, unless there is a REAL target occupying the same spot where the artificial target is hit. Our job is to make the artificial target move at the same speed and course as the real target and be superimposed exactly on top of the real target. Kapeech? Ever thought of it that way? Well, if you do it aids your visualization of the targeting process and makes your targeting much more intelligent. Let's set up a target and do it all wrong. I'll explain every step of the way. Target sighted! AoB is set zero, speed zero and range/bearing 0/0. It won't be set that way in the game but you gotta start somewhere. So right now the TDC plots the target right on top of the submarine, but not moving. It's facing north. As the sub moves the target stays right there and the sub moves away from the artificial target, doesn't it? Let's get a stadimeter reading on this puppy! We find his range at 2000 yards and bearing 90º. The TDC plots the artificial target at that spot in the ocean. It isn't moving, The real target is so it just runs away from the artificial target. We won't hit if we shoot now, will we? So let's get a speed. A three minute run is 600 yards so he's running 6 knots. We enter that. What happens to our artificial target. NOTHING! It sits there motionless, farther and farther away from the real target at a rate of 200 yards a minute! Now we'll work out angle on the bow. We connect the two points, extend the track and use the protractor and get an AoB. We enter that in the TDC. What happens? NOTHING!! The artificial target is still sitting there motionless in the position we fixed several minutes ago. Turn on the PK. NOW finally, the artificial target begins to move in the same direction and at the same speed as the real target. Unfortunately, the artificial target is several hundred yards behind the real one. You're about to waste some torpedoes. Let's do things right. The very first thing you should do is turn on the position keeper. Why? Because otherwise you'll forget, that's why. Without the PK on, the artificial target won't move, either rightly or wrongly, at all. So turn on the PK first. Second and third, and these two can be done in any order you want, speed and course/AoB can be entered. Use your radar to get two positions 3 minutes apart. Now you have speed, and that usually is what I'll get entered first. Make sure you press the send traingle button TWICE. Then extend the track on the nav map out in front of the target for a distance that you won't have to fiddle with later. Now what's happening right now is you have an artificial target that is moving at the correct speed, but in the wrong direction and at the wrong position. That's what we want. Enter the AoB determined by your protractor into the TDC and press send twice. Yes, I'm afraid that's necessary. So now we have an artificial target moving at the right speed and course, but not in the right position. Can you see why we absolutely HAVE TO do the range/bearing last? It's because the artificial target is ALREADY MOVING at the correct speed and course. As soon as we peg the position, it will immediately begin moving at that speed and course JUST LIKE THE REAL TARGET. Therefore your artificial target, which your torpedoes WILL HIT is and will stay exactly on top of the real target. If you want to be really fussy and verify your solution is good, go to the attack map and read the torpedo run time. Suppose it's one minute. If your artificial target, plotted on the attack map (!), stays on top of the real target for one minute you have sufficient accuracy to shoot. This is exactly analogous to the check that was done every time submarines shot a several thousand dollar torpedo in the war. They didn't just enter the numbers, trust they made no errors and shoot. If they didn't verify, they didn't shoot. That's why the attack map is an essential part of realistic targeting. Now after your check the artificial target is no longer on top of the real target. Fix that by doing another stadimeter shot, which fixes the position of the artificial target back on top of the real one. You're ready to shoot and you'll get booms, I guarantee it! And now you can visualize what is happening as you enter those numbers. They aren't meaningless digits any more. Each one of them now means something to you. Something important. Something you can visualize clearly. You're a sub commander now. ![]()
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Sub Skipper's Bag of Tricks, Slightly Subnuclear Mk 14 & Cutie, Slightly Subnuclear Deck Gun, EZPlot 2.0, TMOPlot, TMOKeys, SH4CMS |
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#7 | |
Soundman
![]() Join Date: Aug 2015
Location: Australia
Posts: 147
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Thanks for that RR. It makes total sense to me to start the PK right off the bat. Also Razark nailed it with how he does the AOB. Just match it up to the target course. We don't actually give a crap about what the AOB is in and of itself, that was just the way target course information happens to be fed into the TDC. Time to go out there and SINK EM ALL ![]() |
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#8 | ||
Ocean Warrior
![]() Join Date: Mar 2007
Location: Houston, TX
Posts: 2,731
Downloads: 393
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Speed and course are usually known from radar well in advance of visual sighting. Once I am in position ahead of the target and he's in visual range, I start entering the data. First, get bearing. Range doesn't matter at this point (and the stadiameter is crap at long range, anyway), I think I usually just run it up to maximum. Send that to the TDC. Then I get the AoB, which isn't actually AoB. I enter it by watching the target course dial. Once the course matches, AoB is set. Then enter the speed. After that, turn on the PK, and update range and bearing. Then watch the PK to check the actual target against the artificial one. Adjust target speed as needed, and update range and bearing occasionally. There's a mod that slightly changes the way data input works. Once you set the AoB, it updates whenever you change bearing. If I have a ship dead ahead (bearing of 0/360), and I set his AoB at 90 degrees starboard, then turn the scope to 300 and send a new bearing to the TDC, the AoB automatically updates to 30 degrees starboard. Send a bearing of 315, and the Aob sets to 45s. Convenient for attacking convoys, where everybody's going the same direction. There's also this one that updates the dials as you move them, so long as the PK is off. This makes entering the course much easier. It's the reason I don't turn on the PK until later. Quote:
In my procedure, since the scope is locked on target, the bearing is spot on and the angles work out for entering the course. Quite often, I don't have the artificial target on top of the real target until quite late in the attack. I just watch it relative to the target to make sure speed and course are good. Once I'm into the final phase of the attack, I make sure I've got the range correct. Soon after, it's time for a shooting observation and a final bearing/range update and fire. Yes. Every time. It quickly becomes a habit. It's a minor annoyance, but quite important. Indeed. Understanding what the numbers mean and how they relate to the targeting problem is vital to putting holes in marus on a regular basis.
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"Never ask a World War II history buff for a 'final solution' to your problem!" |
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#9 |
Stowaway
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Don't quit in a rage, try the Ctrl-N cheat to immediately change the weather!!
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#10 | |
Frogman
![]() Join Date: Feb 2007
Location: USA
Posts: 308
Downloads: 104
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Seriously, though, to me, the weather model in this game is the only thing seriously flawed enough to ruin the gameplay. I'm hoping that's one of the things addressed in Webster/Rockin Robbins new mod.
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. Member since February 2007 Wargaming since 1971 (1st game Avalon Hill's Stalingrad) Hobby/Gaming Computng since 1977 (TRS-80) (adhoc programming & game modding ever since) |
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#11 | |
Navy Seal
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Yes, people have asked "if the US submarine TDC was so all-fired sophisticated compared to the German one, why didn't they sink a lot more ships!" Complexity results in errors. Sometimes complexity results in unquantifiable errors that can't be mitigated. The real Achilles Heel of the stadimeter measurement of range/bearing (yes, in the game, both are always sent together to the TDC when you press send) is that it absolutely depends on correct identification of the target. Most targets in the real war were identified WRONGLY. That will result in an error that can't be predicted or quanified. The secondary problem of the stadimeter is the difficulty of judging exactly where the tip of the mast is, or exactly where in that thick line is the waterline. A one-click error can be a significant number of yards. When combined, these two error sources are a barrel of laughs. The Germans, and us if we use a constant bearing technique like the Dick O'Kane method, didn't give a rat's patootie about identifying a target except maybe for bragging purposes in the bar between cruises. Range didn't matter much to them because their targeting method only cared about the angle between target track and submarine course and the speed of the target. Get those two somewhere close, close the range to 600 meters and the target goes down. Simplicity is the simplest way to eliminate error. Every step you can eliminate. Every calculation, every measurement you do not need to make adds to the accuracy of your shooting.
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Sub Skipper's Bag of Tricks, Slightly Subnuclear Mk 14 & Cutie, Slightly Subnuclear Deck Gun, EZPlot 2.0, TMOPlot, TMOKeys, SH4CMS |
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#12 |
Swabbie
![]() Join Date: Oct 2012
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Can i ask why range doesn't factor in the Dick o'kane method? Kind of confuses me how you could pick any range and the torpedo wouldn't just turn way left to catch a target 10000 yards away versus 1000.
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#13 | ||
Frogman
![]() Join Date: Feb 2007
Location: USA
Posts: 308
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Don't know if its possible but there needs to be a way of the weather generator algorithm or internal lookup charts to minimize the super long time maxing out. Doesn't matter if a maxed out effect suddenly turns the other way. That's somewhat realistic at the onset/trailing time of storms, but the only time a sub might have the possibility of the long term weather effects in game would be IF it was traveling in the same direction as the prevailing winds to/from it's base. I wouldn't even advocate for that in game either because it is the most boring part of the game traversing to/from the home base, no need to pester the gamer with a storm following him back from Japan to Midway
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. Member since February 2007 Wargaming since 1971 (1st game Avalon Hill's Stalingrad) Hobby/Gaming Computng since 1977 (TRS-80) (adhoc programming & game modding ever since) |
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#14 |
Stowaway
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I believe Ctrl-N is a stock keyboard command and I've used it TMO as well. Perhaps you have a different keyboard key assignment?
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#15 | |
Frogman
![]() Join Date: Feb 2007
Location: USA
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All I got was the "Yes, Sir, Sweeping" audio Is there a particular MOD where this Ctrl-N has been redefined? Last edited by Gray Lensman; 09-16-16 at 03:55 AM. |
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Tags |
aob, missing, targeting, tdc, tmo |
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