Don t forget you re in a game
DD will not think you re sunk until you re actually sunk
If I got it right, you stay at a low speed all the process. The thing is, at close range the DD is not gonna listen for you but it s gonna ping for you. As soon as the pings are close of each other, it means the DD is closing on you and have a really good idea of where you are and usualy is ready to **** on your head. No point of staying slow at this point. So pass at flank speed and change course by 40° to 60°, less it s of no use, more and you gonna lost too much speed.
The thing is, as DD is passing over your head to nuke you, he s gonna lost both his ping and his hearing abilities. If it doesn t drop depth charge, keep your speed for no more than 10 sec, then back to real slow and change your heading one more time. If he drop depth charges, keep flank and the new course, if you re deeper than 60 meters it should be enough to avoid them. As soon as the depth charges' explosions stop, go back to real slow and change your course one more time.
The deeper you are, the harder it s gonna be for the DD to reaquire you with ping.
The more DD you got ahead, the less efficient is the technic because you re always gonna have one far enough to be on hydrophone mode and even with depth charges exploding all around, it has a good shot to trace you when you re moving at flank... trouble is, if you don t use your flank speed, the depth charges are coming right on your head
