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[2025.1] More accurate U-Boats characteristics: Speed & Charge overhaul
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2 Jul @ 3:17am
16 Aug @ 3:05am
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Xryas
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[2025.1] More accurate U-Boats characteristics: Speed & Charge overhaul

Description
This mod changes the characteristics of Type II and VII submarines:
1) speed of boats in underwater position on electric motors are brought to historical values.
2) battery discharge as a function of speed are brought to historical values.
3) battery charging is brought to historical-realistic values: the slower the speed, the faster the charging.
4) Power consumption of the equipment has been changed according to realistic power consumption values.

Now more details about each function:

Discharging batteries
Type VII(batteries without upgrade, officer on diesels + two sailors)
Gear position
Time to full discharge
Stopp
~38h
Kleine Fahrt voraus (Dead Slow Ahead)
~29h
Langsame Fahrt voraus (Slow Ahead)
~19h
Halbe Fahrt voraus (Half Ahead)
~11h
GroBe Fahrt voraus (Full Ahead)
~2.5h
AK voraus (Flank Ahead)
~35m
Kleine Fahrt zuruck (Dead Slow Astern)
~27h
Langsame Fahrt zuruck (Slow Astern)
~18h
Halbe Fahrt zuruck (Half Astern)
~5.5h
AK zuruck (Flank Astern)
~1h

Type II(batteries without upgrade, officer on diesels + two sailors)
Gear position
Time to full discharge
Stopp
~38h
Kleine Fahrt voraus (Dead Slow Ahead)
~25h
Langsame Fahrt voraus (Slow Ahead)
~15h
Halbe Fahrt voraus (Half Ahead)
~8h
GroBe Fahrt voraus (Full Ahead)
~1.5h
AK voraus (Flank Ahead)
~22m
Kleine Fahrt zuruck (Dead Slow Astern)
~24h
Langsame Fahrt zuruck (Slow Astern)
~14h
Halbe Fahrt zuruck (Half Astern)
~4h
AK zuruck (Flank Astern)
~42m

Submarine speeds
Type VII
Gear position
Speed
Kleine Fahrt voraus (Dead Slow Ahead)
~1.5kt
Langsame Fahrt voraus (Slow Ahead)
~3.1kt
Halbe Fahrt voraus (Half Ahead)
~4.4kt
GroBe Fahrt voraus (Full Ahead)
~6.5kt
AK voraus (Flank Ahead)
~7.7kt
Kleine Fahrt zuruck (Dead Slow Astern)
~1.4kt
Langsame Fahrt zuruck (Slow Astern)
~2.5kt
Halbe Fahrt zuruck (Half Astern)
~3.5kt
AK zuruck (Flank Astern)
~5.2kt

Type II
Gear position
Speed
Kleine Fahrt voraus (Dead Slow Ahead)
~1.5kt
Langsame Fahrt voraus (Slow Ahead)
~2.9kt
Halbe Fahrt voraus (Half Ahead)
~4.2kt
GroBe Fahrt voraus (Full Ahead)
~6.1kt
AK voraus (Flank Ahead)
~7.0kt
Kleine Fahrt zuruck (Dead Slow Astern)
~1.4kt
Langsame Fahrt zuruck (Slow Astern)
~2.4kt
Halbe Fahrt zuruck (Half Astern)
~3.3kt
AK zuruck (Flank Astern)
~4.7kt

Battery charging:
Type VII (batteries without upgrades)
Gear position
Time to full charge
Laden
~10h
Kleine Fahrt voraus (Dead Slow Ahead)
~11h
Langsame Fahrt voraus (Slow Ahead)
~12h
Halbe Fahrt voraus (Half Ahead)
~13h
GroBe Fahrt voraus (Full Ahead)
no charging
AK voraus (Flank Ahead)
no charging
Kleine Fahrt zuruck (Dead Slow Astern)
~11h
Langsame Fahrt zuruck (Slow Astern)
~12h
Halbe Fahrt zuruck (Half Astern)
~13h
AK zuruck (Flank Astern)
~no charging

Type II (batteries without upgrades)
Gear position
Time to full charge
Laden
~8h
Kleine Fahrt voraus (Dead Slow Ahead)
~10h
Langsame Fahrt voraus (Slow Ahead)
~11h
Halbe Fahrt voraus (Half Ahead)
~12h
GroBe Fahrt voraus (Full Ahead)
no charging
AK voraus (Flank Ahead)
no charging
Kleine Fahrt zuruck (Dead Slow Astern)
~10h
Langsame Fahrt zuruck (Slow Astern)
~11h
Halbe Fahrt zuruck (Half Astern)
~12h
AK zuruck (Flank Astern)
~no charging

Energy consumption of the equipment
Type VII
Equipment
Time to full discharge
Trim pump
48h
Electro compressor
48h
Ventilation
217h

Type II
Equipment
Time to full discharge
Trim pump
34h
Electro compressor
34h
Ventilation
75h


Additional thanks to [1 UF]Kellermann for help with gathering information from the uboat archive and testing the mod
25 Comments
< >
Bluebird1965 10 hours ago 
@ Xryas: Thank you very much
Xryas  [author] 6 Sep @ 3:57am 
@Bluebird1965 yes, compatible
Xryas  [author] 6 Sep @ 3:56am 
@aquelarrefox yes, it should be compatible
Decoy 5 Sep @ 2:15am 
is their any functional Mod for longer dive times? 8hours is much to less.
Bluebird1965 4 Sep @ 9:50am 
is this savegame compatible?
aquelarrefox 3 Sep @ 12:23pm 
[2025.1] Device Energy Management
Bluebird1965 3 Sep @ 11:19am 
Hallo, muss ich dafür ein neues Spiel starten?
Danke dir.
Xryas  [author] 3 Sep @ 1:19am 
@aquelarrefox which mod specifically?
aquelarrefox 26 Aug @ 7:10pm 
is this compatible with the other consuption mod? or order needed?
MR.DILL 23 Aug @ 1:55am 
Best mod to make sneaking into an enemy port a little funner