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Old 06-28-20, 07:41 AM   #13273
vdr1981
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Join Date: May 2010
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Quote:
Originally Posted by gap View Post
Hi Vecko, thank you for your answer and sorry for the late reply.

I wonder what are your sources on the topic, because all the information I have found so far seem to partly disconfirm your statements above.

According to Gordon Williamson:


(from: U-boats vs Destroyer Escorts: The Battle of the Atlantic)


(from: Kriegsmarine U-boats 1939–45)

According to uboataces.com:



According to David Owen:


(from: Anti-Submarine Warfare: An Illustrated History)

There is an interesting discussion on this same topic on Ubi's SH3 forum:



My conclusions:
  • The deck gun had an adverse effect mostly on boat's diving times and submerged speed.
  • The same applies to conning-tower mounted FlaK guns, though the top-weight added by them was also detrimental to boat's general stability.
  • Being closer to boat's centre of buoyancy, the extra weight added by the deck gun had not an effect on her roll (i.e. LR drag) as bad as the conning-tower + FlaK guns block.
  • Unfortunately I don't think that, by only playing with gun's additional drag coefficients, we can decrease boat's submerged top speed, but we can worsen her seaworthiness with special emphasis on diving times.
  • Deck gun dismount should provide some benefits, in the form of improved boat handling, a renown bonus (if possible), or both, otherwise selecting the "no deck gun" boat upgrade won't make much sense from player's perspective.
  • The performance bonus from deck gun's removal shouldn't be so big to nullify the disadvantages given by bigger conning tower and additonal FlaK guns in mid war, but it should nonetheless be noticeable
Thanks for detailed post as always Gap. However you'll have to agree that we didn't learn anything new from those articles, what we couldn't conclude for our self. Yes "some" performance bonus is unquestioned but the main question still remains.How much? They all only use words like "much", "some" ect which is not very helpful IMO. Was it 1KN speed increase (which I really doubt) or maybe 0.1? 0.01?
The point is, we can not really conclude this without some complex mathematics and even then I believe that the resulting speed benefit would be quite minuscule. Introducing some small value like 0.05KN of speed increase would be quite silly IMO and probably unnoticed by many Subsim Captains. Not to mention potential army of unhappy weekend Captains with dozens of threads named "BUG! I removed my deck gun but my speed stays the same!!!!WHYYYYYY???!!!"

Unfortunately, other mentioned benefits like improved handling and diving times are not possible to simulate since they are controlled by completely different set of sim controllers...

Last edited by vdr1981; 06-28-20 at 08:02 AM.
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