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-   -   60 knots in an Akula? (https://www.subsim.com/radioroom/showthread.php?t=90222)

Kapitan 03-03-06 06:06 PM

60 knots in an Akula?
 
Today ive done two dives both in the akula i went to flank at 550 meters and then blew the tanks, now normaly i could get to only 42 to 44 knots now im seeing 62 knots and even as high as 66 knots

IS THERE SOMETHING WRONG ?

im sure in real life no akula could hit even 50 knots.

http://i7.photobucket.com/albums/y26...S/020e349d.jpg

Orm 03-04-06 04:45 AM

I just did the same test from 550 m at flank speed, and then emergency blow. I got a speed up to 73 knots when reaching the surface :hmm:

Kapitan 03-04-06 07:37 AM

huff had to be diffrent lol

there must be something wrong

Orm 03-04-06 08:05 AM

This sound very nice for escaping subrocs :rock:

Pirate 03-04-06 08:27 AM

Well, I don't think it is so unrealistic, after all you have all the speed from ahead flank plus all impulsion of the emergency blow.

Anyway much better than the more than 100knots that was hapenning before final 1.03 patch.

What I'm still concerned are the depth changes at slow speed that the sub starts to rise backwards and the torp. problems.

Kapitan 03-04-06 08:47 AM

Yes i know and the fact thesubs come up arse first doesnt help

Nexus7 03-04-06 10:27 AM

I used E-Blow as last evasive maneuver last week diving Akula. While I am used to a progressive emersion this one was an explosive :yep: . Instantly broke TA and reached the surface in a nothing.
This resulted in a succesfull evasion of the torp but ended in severe damage taken from surface ships :shifty:

Usually I did E-Blow for say 10 seconds (when deep enuff) combined with change of course and then disactivated it to remain submerged. Yes it ain't much realistic maybe. On the other hand when else would one use it in DW except for evading?

bobterrius 03-04-06 11:04 AM

And what about that?

A seawolf at a speed higher than 100 knots?


It's normally?

http://terrius.free.fr/seawolf%203.jpg

Orm 03-05-06 04:11 AM

Testing with the Seawolf the same procedure, 40 knots at 2000 feet with an emergency blow. I got the speed of up to 72 knots when reaching the surface. Also, I saw a strange feature of a small balancing (stern-bow) when I was at flank speed, previous to the E-blow.

Nexus7 03-05-06 01:56 PM

Well the balancing of the boat is not (yet) modelled :lol:

Three14 03-07-06 09:57 AM

The 40kt (or whatever) limit is from the propulsion...but setting off the e-blow is like adding propulsion. It's not as if you're going 70 knots in the horizontal, but simply because you're going up pretty fast AND straight ahead pretty fast. I don't think it's necessarily realistic -- at the least it would have to be just short of super-human to control a sub under those conditions -- but I don't see how it's wrong on the part of the model.

I don't know how subs measure speed, but if they use something analogous to a pitot tube (it's a fancy straw that "feels" the air hitting it to report the speed), then it might not be realistic for the submarine to be able to report the high speeds.

Bellman 03-07-06 10:37 AM

If you go straight up the torp will more often than not follow - a little weave can make all the difference.

The EB is less easy to contol now, it seems, as someone said in SC you could initiate it and select a level off depth.
Now it just seems as if its s**t or bust !!

SUBMAN1 03-07-06 10:57 AM

Have you ever seen the Los Angeles class sub poking out of the water so fast that it rises up like 3 stories before falling back down? That boat, if you figure it out, is moving much faster than 32 knots! Probably double if not more!

-S

Kapitan 03-07-06 11:33 AM

Depending on angle which for a 688i and ive seen a video of it the angle is about 70 degree's topps i doubt its faster than 40 to 44 knots your forgetting its a long boat.

Now immaigne a typhoon doing that :o

GunnersMate 03-07-06 04:12 PM

If the angle got too high wouldnt the MBT's spill out and fill with water creating a death dive ?


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