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-   -   Air Attack, Crash Dive (https://www.subsim.com/radioroom/showthread.php?t=120417)

ichso 08-15-07 06:41 AM

Quote:

Originally Posted by Hadrys
Quote:

Originally Posted by Penelope_Grey
It uses a heck of a lot of fuel though doing that, decks awash is useful for convoy attacks but not for aircraft.

The biggest problem is the time between switching diesel to electric... I was Schnorcheling once at 11,5m hit crash and nothing happens... it still goes on diesel, after std 10 seconds electric and than it dives... it should go like a damn rock!!!

I think snorkeling isn't that useful for crash dives. You only can go very slow using the snorkel and won't be able to pick up much speed for a crash dive.
The time to switch to electric engines doesn't really matter. But your speed cannot be increased using the snorkel and you don't become very fast using your electric engines either.

And the fuel problem reduces the decks awash tactic to be used for lower speeds and only in dangerous areas.

Hadrys 08-15-07 07:41 AM

Quote:

Originally Posted by ichso
But your speed cannot be increased using the snorkel and you don't become very fast using your electric engines either.

You can go 6kts snorkeling so the same as on electrics but look how long the boat is suspended just under the surface and the propellers don't kick for such a long time!! I wonder how it was in RL? In Das Boot they start switching while yet on the surface...

ichso 08-15-07 07:58 AM

Right that's one factor. I just thought the bigger factor would be the slow speed when using the snorkel. If you are fully surfaced and you are racing around with 15+ knots the time the electric engines need to kick in doesn't really matter, as your speed bonus from the surface pushes you the first 25m deeper.

That is what's missing when snorkeling and then this switching time hurts you, right.
It doesn't hurt you that much if you already are going really fast.

S Rafty 08-15-07 10:36 AM

Quote:

Originally Posted by Hadrys
I you fell somethings wrong or they start mumbling something down the conn tower, first you hit full ahead flank and remember to stop charging batteries. Those 2 seconds will give you a great advantage before your watch off tells how far and where is it. Than you decide if just show him your ass with the flak crew or dive with good speed which pushes you down faster. In 1944 when I hear AC spotted I have full pants already... it's far too late and only perform one of those two. Don't turn it takes your precious speed!

If you have warning device you can dive with ahead standard to 25m and go for 1-2 minutes. It's enough, they want have your current position. If a plane is spotted crash to the bottom, DC will be precise and even at 30m can make a lot of bad... the biggest concern is your ass sticking to the surface...

In general I've learned my lessons, on AC I simply dive... rarely fight back.


But that only works if your on the bridge 24-7 really going full realism.

Ubåtskapten 08-15-07 10:55 AM

ALAAAAAAAAARRRMM!!!!

Since I use the Longer Repair Times mod which increases aircraft patrols and makes their bombs much deadlier I have more change of survival with a crash dive (if spotted in time) than trying to fight it out on the surface, as it also was in real life. The only times I don't crash dive are when loading external torpedos or if I spot them to late, and they are in a range of only a few thousand meters (depending on which boat I have, running decks awash or not, etc.). If that's the case I usually try to dive before their next attack run.

Dimitrius07 08-15-07 11:42 AM

Crash Dive

when reach 25 meters - hard to port or stanboard
when reach 50 meters - all stop

Well at least that that what i do, in case the its to late for crach drive i go ahead flank and go right in the enemy aircraft derection. If i`am lucky and they miss the first attack wave a crash dive, if not - Abandon ship :dead:

jazman 08-15-07 01:58 PM

Thanks for the tips. I definitely need to slow down the time compression in danger zones, and keep the bridge watch in tip-top shape (which I've been doing mostly).

Shelton 08-15-07 05:29 PM

yes when i said never exceed 256x TC, I meant in the day time in the early war era - at night (when its pitch black) I usually go 1024x

U-TigerShark 08-15-07 09:27 PM

heres what i do
 
CRASH DIVE YOU LAZY ****** OR ILL KILL YOU MY SELF, FASTER !!!!!!!!

but seriously if your snorkling 10 sec's is about the time it takes to surface and crash dive with the speed bonus

by the way what is awash the decks ???

mbabbs 08-16-07 05:18 AM

Decks awash is when you set the depth to between 7-8 meters. The only part of the boat that will then appear above the water is the bridge and is a very useful tactic.

As already mentioned though, it does take up a lot of fuel so it's only really something you can adopt once you get to your patrol zone.

However when the air war really gets going you'll need to adopt this tactic to stay alive, particularly in the larger boats that take longer to dive. To preserve fuel you just need to stay under water longer which isn't exactly bad as you can hear further than you can see anyway and no plane is going to spot you under water.

MarshalLaw 08-16-07 05:54 AM

In early war, if a AC is spotted I go Flank and turn either port or starboard if its 2 planes or less. Use the flak gun on them as they do their 1st pass then crash dive. More than 2 planes Crash dive and hope you get down fast enough.

If its later in the war 1941 on I run at 256 or less TC and as soon as a AC is spotted or picked up with Early warning detector crash dive at once. By that date pilots are usually dead on target.

As others have posted there is a HUGE differance between pilot effectiveness in GWX vs Stock. If playing GWX you may want to starting ducking for cover as early as 1940:o

S Rafty 08-16-07 06:57 AM

Theres a massive difference. I hardly (if ever) took damage on stock via Aircraft. Even that day christ knows how many sunderlands spoured from the Cornish coast.

GWX: a beaufighter came out of nowhere near N Irland when I had my periscope up. Next thing I saw was the pop up window. If I hadnt had that on, it would of been allot more damaging. Suffice to say this was early 1940. Not looking forward to seeing the Mossys.:ping:

HMCS 08-16-07 11:26 PM

this is what I do:

Whithin range of enemy air cover, in daylight:
TC x256; full efficiency of bridge crew.

When spotted: if in close or med. range: Flank speed ahead, hard L or R turn; wait till the flyboys drop their ordnance, then crash dive. If you have time, man the flak guns with the shortcut on crew management (F7).

It saved my can against TWO Catalinas last patrol. The were flying in echelon, caught me in BE. Moderate damage to the boat, I was on my way home in any case. Considering it was July of 1942, I was more than surprised.

I guess 1943 came early this year!:o


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