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-   Sub Command, Fleet Command, & Jane's 688(I) (https://www.subsim.com/radioroom/forumdisplay.php?f=193)
-   -   SCU and TA? (https://www.subsim.com/radioroom/showthread.php?t=82215)

MarkShot 07-14-05 02:30 PM

SCU and TA?
 
It seems that most SCU platforms have two TA arrays. Generally, which one should be used for sensitivity and which one for speed?

Thanks.

Ultraboy 07-14-05 08:37 PM

Port for sensitivity, starboard for speed.

I believe if the sub you are using only has one towed array, it is on the starboard side by default. I once tried switching to port array on a Victoria/Upholder class, and I just got a weird waterfall display and strange noises.

edit: Note, what I said at the top there is only a guideline based on the 688i and Seawolf classes, I don't know it to be true of every platform. :)

Kapitan 07-19-05 01:20 AM

akula you can run at flank unlike most arrays but over 18 knots its useless

Bellman 07-19-05 02:21 AM

Adding to Ultraboys '' Port...'' It is of course the reverse in SC and DW. ;)

The Ak will not lose her TA at flank and Pelamida TA washout, in game, occurs at 12-13 knots. :huh:

Compare SW in DW Port TA 16-17 kn. Stbd. is the same as the Ak.

Ultraboy 07-19-05 09:05 PM

Actually it's not opposite, I think I just had it backwards, at least for the Seawolf.

Seawolf Towed Arrays
STARBOARD - AN/TB-29D - More sensitive
PORT - AN/TB-16D - Less sensitive

As far as the 688i goes, it should either have a combination of the TB-16 and TB-23, or, TB-16 and TB-29. I thought I had read somewhere that the 16 was on the starboard side, but now I can't seem to confirm that.

Just for the record though, on the Seawolf, the washout speed is higher for the port array than the starboard, but I notice NO difference between them in either narrowband or broadband as far as detection is concerned. So my advice, is don't worry about which one you're using. :)

Bellman 07-19-05 09:50 PM

MarkShot posed a question about SCU which is used with SCX.

In SCX the SW TAs positions were reversed:-

PORT - AN/TB-29D - More sensitive
STARBOARD- AN/TB-16D - Less sensitive

In DW and SC ''the reverse'' is true of the SW :-

STARBOARD - AN/TB-29D - More sensitive
PORT - AN/TB-16D - Less sensitive

Hope this claryfies.

Ultraboy 07-20-05 03:03 PM

Ah, so my initial instinct was right, but once I checked into it I started second-guessing myself because all the documentation referred to vanilla SC. Thanks for clearing up.


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