Thread: [TEC] Hull question
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Old 10-28-21, 05:52 PM   #6
Bubblehead1980
Navy Seal
 
Join Date: Apr 2009
Location: Florida USA
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Quote:
Originally Posted by KaleunMarco View Post
son, what in the H are doing at 425 feet!?!?!

the water-battle is three-dimensional.
vary your boat's depth as well as direction and speed. change all three constantly.
just because you feel the need to go deep doesn't mean you need to stay there.
after the escorts pass, change your depth, yes, you can vary your depth shallower. try to stay under the thermocline but change your depth and course, at a minimum. make the b@stards work to get a fix on you.
the
Change is what is important.


I change speed, and direction often, as well as depth, works well. Why was I at 425? To get below their sonar and time to get out front under depth charges . Iass was four hours into the depth charging and they were first team, stayed on me like white on rice, my usual evasion tactics from previous seven patrols in the SEAL (Salmon Class) were not working. I believe one of them was likely set to "Elite" judging by behavior, well based on sound. At this point in war in TMO, April/May 1944, to get away in ideal conditions, calm, flat calm seas, have to find the depth where passive and active sonar have trouble maintaining contact. Typically, for most TMO escorts it seems to be around 350-375 feet, but if he was set to ELITE(which is rare, but they are present, rest are set to Veteran) , to get them to lose contact have to go deep. Salmon Class test depth is 250, so I have built in safety factor of 100 feet (with full hull integrity) and given historically some Salmons went to more than 500 feet in emergencies, was comfortable. I do not know exact crush depth of the boats (except S Boat, a user posted it) on purpose, just a rough guess. ) I went to 350, then 375, thent o 325, but they just had a fix, I was at 390 and solid for a while, then close pattern drove me to 400. I went to 425 and seemed to lose me for a few minutes, but guessing the Elite escort got a scent and came in, lucky charge from pattern is the one that cause the damage. Of course I went back up to 300 while fighting the flooding in forward torpedo room. Eventually, had to go to 418 to get them to lose contact. About a six hour depth charge attack.

I was facing an Etorofu Class Subchaser Escort and a No.13 Class (converted PC-461 to stand in I am adding to TMO in next release). Based on the sound, believe it was the Etorufu Escort that was so highly skilled
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