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SenorDingDong48
04-07-2005, 04:14 PM
So I got a radio report, large convoy heading ENE etc.. I raced right in front of them at flank speed. Thought i had lost them as it took an hour (game time) before i Heard them on sonar. Anyway I can now see them and there heading directly for me. Im sitting in Periscope death, horizontal to them right in the middle. A destroyer is leading the group he seems to be the only one so far. Its early in the morning so its bright out. Whats the best way I should engage? Engines are off in Silent running.. will the destroyer pick me up? He is heading right for me.. but im dead silent. This is my first Convoy.. its 1941, and theres some American ships near the back I dont want to attack. All British in front though.

SenorDingDong48
04-07-2005, 04:14 PM
So I got a radio report, large convoy heading ENE etc.. I raced right in front of them at flank speed. Thought i had lost them as it took an hour (game time) before i Heard them on sonar. Anyway I can now see them and there heading directly for me. Im sitting in Periscope death, horizontal to them right in the middle. A destroyer is leading the group he seems to be the only one so far. Its early in the morning so its bright out. Whats the best way I should engage? Engines are off in Silent running.. will the destroyer pick me up? He is heading right for me.. but im dead silent. This is my first Convoy.. its 1941, and theres some American ships near the back I dont want to attack. All British in front though.

GT182
04-07-2005, 04:21 PM
Sounds like the Exam on attacking a convoy.

If it were me, I'd take out the Destroyer first if, and only if, you have a sure shot. Then you're free to pick off the Cargo and Merchant ships at will. But be careful as there might just be another Destroyer lurking at the rear. And, you'll find out soon enough. http://forums.ubi.com/images/smilies/16x16_smiley-wink.gif

quillan
04-07-2005, 04:33 PM
If you don't move, the only way the destroyer will find you is if either A) it is pinging with ASDIC, or B) you leave your periscope out of the water too long. Personally, I'd only recommend taking out the destroyer if you both have a superb shot on it and the sea is calm enough to allow for deck gunnery (providing it's still early enough in the war that the merchants aren't mounting guns. 1941 is iffy on that one; it depends on the exact date). My suggestion would be to let the lead destroyer go by, line up on something nice and juicy. Most likely you'll see a T2 tanker leading the middle column, followed by an American small tanker/passenger liner/troop ship, followed by a British T3 (the cream of the crop at this stage), and an American C3 bringing up the rear. I'd set up for a nice, close range shot at the tankers. That way, you've got plenty of time to find out if another escort is following the convoy, and plan your actions.

Maj_Death
04-07-2005, 04:42 PM
Safe way is to just avoid the destroyer, kill the tankers, dive to 100m (sea floor permitting) and slowly make your way out. Killing 2 tankers for a total of 20k tons is very doable with this method, and that is with 100% realism and assuming you suck at manuel TDC. Unsafe way is to blow the escorts, sink any armed merchants with torpedoes till you run out of torpedoes and then blast the rest with your deck gun. Given that you are in 1941, try to avoid shooting the americans in either case. If the escort is a pathetic flower corvette, I suggest surfacing and taking him on with your deck gun. I know it sounds suicidal but it works for me very well. They only have a couple of guns so if you shoot those off quickly then they become fairly harmless.

Edit: one more thing, I suggest going below parascope depth till the destroyer passes by in the first case. The reason is because at parascope depth there is a chance that he may actually collide with you.

Amnio
04-07-2005, 05:15 PM
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by Maj_Death:
[...] dive to 100m (sea floor permitting) [...] <HR></BLOCKQUOTE>
Since you (SenorDingDong48) are far in front of the convoy I would recommend you to check the oceans depth with your navigator while there is noone listening to the sonarpings. Ie. check depth while waiting at the ambushspot. This way you got a) one less thing to worry about later. And more importantly b) the escorts don't get a free directionpointer to your location if you were to check at a later stage of the ambush.

As for the convoytactics: Any ship you cripple by taking out engines and/or propellers is going to be left behind by the escorts so you may finish the job later with for instance the deckgun. If you have no idea where the engines are located, take a look at the target within +-15degrees gyro angle and within 1000m in your periscope and the vulnerable areas should show in your recognitionmanual. Or you could download a mod over at subsim.com. You should ofcoarse go for the juicier targets first, a tanker is often destroyed by 1 torpedo regardless if it's a T2 or a T3 sized tanker, they also get you good tonnage so they are prime targets. Liners (check neutrality first!) and trooptransports are also nice targets, but often require more work to bring down.

Antidestroyer tactics: If there are few escorts and good weather you might consider removing them all so you are free to destroy the whole convoy at your leisure without extra interference. A somewhat dirty trick is to get a destroyer to follow you, line it up so that it is directly in front or directly behind you and heading straight for you, then fire a torpedo on magnetic pistol beneath it when it's around 550m away (if fast torpedospeed). Setting this up is rather easy, just run with the periscope up then when it spots you and starts to turn towards you; line up your rear torpedo and get thoose engines running so as to lessen his overtake rate and decrease the angle to your torpedotube. Do remember that most destroyers are slightly lower draft in front so adjust the torpedodepth accordingly, then you won't end up with a torpedo going "thud" against the bow. Also note that destroyers might start shooting at your periscope, that's a good time to launch that torpedo!

Capt.LoneRanger
04-07-2005, 05:50 PM
I never attack a DD unless I really have to - but that is mainly, because I still hunt with my IID and I have to select my targets very cautiously.

If you're laying still and use the hydrophone instead of the periscope, it's easy to let the destroyers pass by and attack the ships in the convoy. I usually wait at 25m and follow the DD on hydrophone and wait until it passes, then order periskope depth and commence the attack.

hobnail
04-07-2005, 06:15 PM
If you have the time and sea room I'd suggest you move further down the convoy's route and wait for night to fall or for the sun to be at your back. This further decreases the odds of being counter-detected, hides the wake of your T1 torps and could allow you to egress at high speed on the surface to reload and re-position.

In early war I've been able to attack, reload and reaquire the convoy three times before sunrise, expending all my torpedoes.

Also use your hydrophone to scan the convoy to see if there are escorts on the far side or rear of the column. If you detect a second escort I'd agree that you should leave the escorts alone.