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Old 02-17-09, 10:11 AM   #1
Unterseeboot92
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Hello, do anyone know how deep the torpedo can go under the target when you have magnetic on it? because it says in the manual that you should set it 2m below the keel, but most it just keep going... and i read in a book that they could go 3-4 meters under the keel an go off but idont know? And even if you hit the ship under the keel it never breaks...
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Old 02-17-09, 10:14 AM   #2
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I usually set them to the next full meter below the listed draft. So if the draft is 9.3 meters I set the eel at 10 meters.
If it was something like 9.9 meters then I'd set to 11 meters though...
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Old 02-17-09, 10:21 AM   #3
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I'd go with 50cm under the keel. Maybe more if the sea is heavy-ish and avoid them if the sea is just plain rough.
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Old 02-17-09, 11:09 AM   #4
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As a rule of thumb try set it 0.5m under the draft depth of the target in good weather conditions and 1m in bad (the target in rocking in this case).
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Old 02-17-09, 01:22 PM   #5
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The main consideration concerning depth settings in rough weather is the level of pitching the boat is subject to.

I only use impact settings in these conditions.
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Old 02-17-09, 02:00 PM   #6
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Quote:
Originally Posted by jimbuna
The main consideration concerning depth settings in rough weather is the level of pitching the boat is subject to.

I only use impact settings in these conditions.
Yes, impact only in rough weather.

I seem to remember reading somewhere that even when you set for 'magnetic' the impact aspect of the detonator should still work. I have never seen that happen in SH3. I've only experienced duds when the 'magnetic' torps happen to hit the hull instead of passing under it.
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Old 02-17-09, 02:40 PM   #7
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i find impact torps much more reliable than magnetic, but when i do use magnetic, i set it 1M under keel, anything beyond that doesn't seem to pack the punch to break a ships back
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Old 02-18-09, 11:40 AM   #8
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thanks everyone
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Old 02-18-09, 12:49 PM   #9
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Will a magnetic torpedo still explode if it hits the hull?

I've never used a torpedo set to magnetic yet, but should learn.

Long story shortened a bit - had two aux. cruisers 'escorted' by a DD, sunk one aux., almost had the other one - fired a stern torp at the destroyer, was then going to get the second aux., the stern torp went UNDER the destroyer !!! Had to crash dive, but then he got a lucky depth charge attack on me as I wasn't submerged enough. Yup, that really hacked me off.
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Old 02-18-09, 01:06 PM   #10
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It should, as long as it traveled more than 300 meters to arm itself. I've never had a problem of magnetic torps bouncing off the hull when i do set them to magnetic. Just make sure u have a good angle shot, and not some 40 and 50 degree shot from the bow or stern and expect a direct hit
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Old 02-18-09, 01:34 PM   #11
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Hmm, I think I have had multiple instances of magnetics bouncing off.
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Old 02-18-09, 02:45 PM   #12
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Quote:
Originally Posted by kdv
Will a magnetic torpedo still explode if it hits the hull?

I've never used a torpedo set to magnetic yet, but should learn.

Long story shortened a bit - had two aux. cruisers 'escorted' by a DD, sunk one aux., almost had the other one - fired a stern torp at the destroy er, was then going to get the second aux., the stern torp went UNDER the destroyer !!! Had to crash dive, but then he got a lucky depth charge attack on me as I wasn't submerged enough. Yup, that really hacked me off.
Most definitely...provided it's not a dud
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Old 02-18-09, 09:17 PM   #13
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I set all my torps to magnetic (which also arms them for impact) and have had good luck with using them in impact situations. 90% of my attacks are from 90 AOB so if they hit its dead on. I don't use an event camera or nav updates which would also show the target ship in your plot to see if the torp went under or bounced. So if I miss, I don't know if it went under, bounced or I just was off on my estimate of the speed of the target.

When I am 500 meters from the target and have a good fix on his speed and fire at 90 AOB and nothing happens I'm pretty confident that the torp went underneath. This is why when I have a juicy target lined up at close range. I like to set the 2nd torp for impact depth as a backup. Being so close allows me to wait 10 seconds past the expected running time of the first torp and if nothing has exploded by then I fire a second. I like to wait to see where the first hits and with what force because a second may not be necessary if I am lucky. I used to fire a 3rd if it looked necessary but found that sometimes the ship traveling 9 knots would be down to 2 or 3 knots by the time I fired a 3rd and it would over shoot it. So from 500m at 90 AOB if I crippled the ship I prefer to just realign the killing blow. More likely I acually at 650m when I fire because I'd rather be further away than run over.


I also think the depth of the keel varies by how heavy the ships load is. I like to set the magnetics just .2 m below the keel in calm seas and 1m in moderate and in rough seas I fire at 3.5 meters depth for merchants and 2m for destroyers. I never go below 2m on destroyers because 1 hit always seems to be enough for them.

With impacts its best to target the most vunerable part of the ship like below the stack. Magnetics seem to have the best effect if they hit the middle of the ship. I have split Tankers with one torp this way.

I know impacts arm at 300 and I read that magnetics don't arm until 400m. Which I believe is true from trial and error. As I try to be just 500m off the track. If the ship is zigging I sometimes have to last second correct and end up around 400. But I have my second torp set at a higher depth (3.5) depth so if the reange is this close I use the torp set for impact depth.

If you hit a ship and either its bow or stern gets low. Then the other end has also raised higher out of the water. Fairly obvious I guess but I think I once put a magnetic under a ship because I had already hit the ship and raised its bow high enough so my torpedo went under by the tie it arrived.

Last edited by Otto Heinzmeir; 02-18-09 at 09:31 PM.
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Old 02-21-09, 03:37 AM   #14
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Quote:
Originally Posted by Unterseeboot92
Hello, do anyone know how deep the torpedo can go under the target when you have magnetic on it? because it says in the manual that you should set it 2m below the keel, but most it just keep going... and i read in a book that they could go 3-4 meters under the keel an go off but idont know? And even if you hit the ship under the keel it never breaks...
I always set my torps at 1 meter beneath surface, use impact piston (disabled magnetic piston), except when I am facing ships with shallow bottoms (Hunt Class), and the Passenger/Cargo.
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