Oops! Just noted the quantity of thread's pages...
Now it is obvious that this was already discussed for sure. However, with my Engrish it could take eternity to read all the topic.
Anyway, i am still a bit confused with this mod. Now it is about failure probabilities for torpedoes in 39-40. I've read some popular books about, including Donitz memoirs, and got a vision that impact pistols were the lesser evil, while magnetic pistols reliability was just terrifying. In the same time, fault probabilities in this mod are 25% for impact and 15% for magnetic - and these are for calm water conditions. Having in mind that this mod is "hardcore realism" oriented, is there some historical background for such numbers? Just curious.