Research Thread - IJN vs. Allied ASW

Bilge_Rat · 03-28-07, 10:58 AM

I was looking through the japanese ASW section of the report of the U.S. naval technical mission to Japan that JOEA linked to:

http://www.fischer-tropsch.org/prima...ort%20S-24.pdf

it seems to contain all the info we need on IJN ASW capabilities and tactics to properly tweak the game.

panthercules · 03-29-07, 12:24 AM

I'm not sure how much info can be gleaned/reverse engineered from the reports about the sinkings of US subs, but this site (http://www.csp.navy.mil/) has what seems to be some really good info about all of the US subs lost in WWII. I've just started playing around with stuff there, but it was interesting to learn that of the 25 US submarines lost through the end of 1943, 11 appear to have been lost to enemy surface ships and only 3 to enemy air attack (and one of those was while in port, though another 3 are attributed to mines but could possibly have been unreported air attacks), with 6 or 7 having been losts in accidents and 1 to an enemy sub. In terms of what sort of results to aim for in tweaking, it would seem that surface vessels should be about 2-4 times more dangerous than airplanes, at least during the first couple of years of the war.

heartc · 03-29-07, 04:19 PM

Quote:

Originally Posted by panthercules

I've just started playing around with stuff there, but it was interesting to learn that of the 25 US submarines lost through the end of 1943, 11 appear to have been lost to enemy surface ships and only 3 to enemy air attack (and one of those was while in port, though another 3 are attributed to mines but could possibly have been unreported air attacks), with 6 or 7 having been losts in accidents and 1 to an enemy sub. In terms of what sort of results to aim for in tweaking, it would seem that surface vessels should be about 2-4 times more dangerous than airplanes, at least during the first couple of years of the war.

I'm pretty sure this stems mostly from the relatively early advent of the SD radar set on USN subs, which often gave them enough time to dive before the airplane could get a visual on them.

03-29-07, 12:24 AM	#2
panthercules The Old Man Join Date: Apr 2005 Posts: 1,336 Downloads: 6 Uploads: 0	I'm not sure how much info can be gleaned/reverse engineered from the reports about the sinkings of US subs, but this site (http://www.csp.navy.mil/) has what seems to be some really good info about all of the US subs lost in WWII. I've just started playing around with stuff there, but it was interesting to learn that of the 25 US submarines lost through the end of 1943, 11 appear to have been lost to enemy surface ships and only 3 to enemy air attack (and one of those was while in port, though another 3 are attributed to mines but could possibly have been unreported air attacks), with 6 or 7 having been losts in accidents and 1 to an enemy sub. In terms of what sort of results to aim for in tweaking, it would seem that surface vessels should be about 2-4 times more dangerous than airplanes, at least during the first couple of years of the war. __________________

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03-28-07, 10:58 AM	#1
Bilge_Rat Silent Hunter Join Date: Apr 2002 Location: standing watch... Posts: 3,856 Downloads: 344 Uploads: 0	I was looking through the japanese ASW section of the report of the U.S. naval technical mission to Japan that JOEA linked to: http://www.fischer-tropsch.org/prima...ort%20S-24.pdf it seems to contain all the info we need on IJN ASW capabilities and tactics to properly tweak the game.