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  1. I am not sure if this is just RNG, however, I have noticed that the dispersion of Georgia's HE and AP shells are significantly different. I tested this for about 15 battles running the US improved dispersion module. During testing I found when firing HE and AP, the HE shells would always have really good and tight dispersion at all ranges while the AP shells even with the improved dispersion module would often times be extremely wonky (similar to german battleship dispersion), nothing like the HE. I am not sure if this is because of the different initial velocities of the two shell types however it is quite apparent when firing the 2 different ammo types.
  2. Italian BBs are trash in my opinion and they need to be buffed. Does anyone else agree?
  3. First of all, I just recently play this for my daily games, so there are some mechanics of the game that I don't really understand. English is not my first language so please be lenient with me... Here is my problem, one of the community member give me this image about dispersion ellipse: So that our perception is same, let we use this image which I stole from google: Let's say that from BOW to AFT it is on X-axisand from base to superstructure is Z-axis while width of the ship is y-axis. Let's say I am shooting from somewhere on point (0, y, 0) Does the image of dispersion ellipse is the elipse on XY-plane or XZ-plane?
  4. Probably, Yes. Soviet BBs likely have a tight vertical dispersion which enables a player to hit the broadside of an enemy ship effectively. I have tested in a training mode. Here are the digitized plots of the salvos (100 hits) on the surface at 10 and 15 km of distances. Sinop (Soviet Tier 7 BB) significantly outperforms Ashitaka and Bismarck (=Gneisenau) in vertical dispersion while its horizontal dispersion is the worst. Note that it is an apparent vertical dispersion projected onto the horizontal surface. The true vertical dispersion is the dispersion on a vertical plane which is hard to test. Fig. 1. The results of firing at 10 km with the three ships. The shells were fired from the bottom to top. Sinop outperforms others with the tight concentration of salvos at the centre of the y-axis. Ashitaka performs best in horizontal dispersion thanks to both good sigma and small max dispersion (See the table). However in terms of vertical dispersion, Ashitaka falls to the bottom probably because IJN BBs are supposed to have bad vertical dispersion (source). Bismarck has a long tail of dispersion due to its low-flying shells. Fig. 2. The results of firing at 15 km with the three ships. The Sinop still leads the rivals in vertical dispersion while its horizontal dispersion is exceptionally bad probably due to the combination of broad max dispersion and low sigma. Sigma Max radius in horizontal dispersion (x2.0 when it is not locked) Impact angle (via wowsft.com) Sinop (10km) 1.6 150 m 8.3 degree Ashitaka (10km) 1.8 156 m 7.7 degree Bismarck (10km) 1.8 164 m 6.7 degree Sinop (15km) 1.6 210.5 m 16.0 degree Ashitaka (15km) 1.8 192.0 m 14.9 degree Bismarck (15km) 1.8 213.0 m 12.2 degree Methods Hopping into the training mode Firing onto the cap area cone at the desired distance Screengrabbing the salvo from above with replays Digitizing them in GIS software Some math and coding to normalize them Please never ask me to do 1000 hits :P
  5. Hi all. I want to share you my infographics showing how dispersion and sigma works. I put these into Public Domain so please feel free to use them anywhere. Let me know if you have a reviewer's comment. Fig. 1. The relationships between the maximum horizontal dispersion radius, firing range, and ship types. Note that vertical dispersion is NOT considered in this figure and onwards. Fig. 2. The concept of sigmas. Fig. 3. The "realistic" comparison of 25, 50, 75, and 100% hit probability density circles in T9~10 CAs and BBs firing at 10 km distance. Aiming Systems Modification 1, Artillery Plotting Room Modification 2, and the special upgrades for Yamato, Zao, and Moskva are considered to calculate the maximum dispersion radius. Note that each 0.1 increase of sigma approximately results -4% decrease in the radius of 50% probability circles. Fig. 4. Same as Fig. 3 but firing at 15 km distance. Stalingrad is ruining everything. Fig. 5. Same as Fig. 3 but firing at 20 km distance.
  6. KirstieBeau

    German BB FCS

    When I first got Gneisenau, I instantly upgraded her hull with free xp but left her FCS stock for me to grind and I had terrible games in it and the shots were awfully misplaced. In fact, my average win rate at that time was at around 40% and around 25k damage, so I thought, yeah, I will just grind my way through to get Bismarck and sell this ship. But after I got the FCS upgraded, suddenly my shots were actually hitting, dispersion was quite good for a German BB, and my win rate and average damage went up. I liked Gnei so much I decided to keep her. Now I got Bismarck, and same story. Upgraded the hull ASAP, but still has the FCS stock. Took it to battle. Was 4 km on a bow-on Iowa. I targeted his front turrets to disable it. Guess what? All 4 shells go left and right off of the turrets missing it! History is repeating itself. Look at my Bismarck stats. It was hideous. Maybe it will change when I get my FCS upgraded just like what happened in my Gneisenau. Now my question is: Does the FCS upgrade reduce the dispersion of German BBs particularly Gneisenau and Bismarck?