Changed 'Ahead Standard' default speed value

Average Joe · 08-01-2005, 07:58 PM

At present I'm in a campaign with a VII-C/42, mid-1944.

Here's a small speed-change I made to the VIIC class submarine .cfg file (NSS_Uboat7c.cfg).

Default values:

[EngineProperties]
AllStop=0.00
AheadSlow=0.40
AheadOneThird=0.57
AheadStandard=0.80 <---CHANGED to: AheadStandard=0.45
AheadFull=0.94
AheadFlank=1.00
BackSlow=-0.26
BackStandard=-0.40
BackFull=-0.53
BackEmergency=-0.66

This helps me in 2 ways:

1.) Submerged, and 'accidently' creating a new plot-course, especially when extremely close to a pack of DD's, or convoy merchants.

Since SH3 defaults to 'Ahead-Standard' when plotting a new course, sub-noise (props, electric motors, etc.) increases greatly! If this happens I usually get detected; mostly during critical points when trying to slip past escorts, and into a convoy of merchants.
____

2.) Setting for best fuel-economy cruise speed with the VIIC/42.

The VIIC/42's best 'econ-cruise' speed seems to be right at 9-knots. The change above sets 'Ahead-Standard' setting to 9-knots.

During a single patrol, I make a -lot- of course-plotting changes. If any new course-plot is created from scratch, speed always defaults to 'Ahead-Standard'. For the VIIC/42, that translates to about 16-knot cruise-speed, which really burns-up a lot of fuel.

Anyway, the main reason I changed the value is for 'quiet' submerged speed. I can't figure out a better way to do this, because 'Standard-Ahead' is the default speed when resetting a plot-course. Plus, the value of .45, is very close to 'Ahead-Slow' speed of .40, which I use a lot when silent running.

So far it's worked great, with much less submerged detection, and nice to have a 'default' econ-cruise speed on the surface with the VIIC/42 (no more manual speed settings with the telegraph number-gauge :/\k

.

Btw I tested number-values only for the VIIC/42.

I will probably try the same with all other subs, setting 'Ahead-Standard' speed value very close to the 'Ahead-Slow' default value. That will help with those dang 'accidentally new' plot-courses

p.s. For some reason I can't reproduce the same 9-knot 'econ-cruise' speed in single missions, even with veteran-crew. It works only in campaign/patrols.

tycho102 · 08-02-2005, 09:09 AM

That's true. It certainly would help a little when you were working on your waypoints while near an escort.

Good idea!

Kafka · 08-02-2005, 11:14 AM

This way Ahead Std is actually slower than Ahead 1/3? :hmm: so then you can press 3, if you like, and speed up to .80 again, for instance? Or will it operate always at .45?

Duncan Idaho · 08-02-2005, 11:47 AM

I don't use nav plots unless I'm just travelling. When I'm in battle, I use the compass, and rudder, and steer where I want to go, so I never have the thing try to change speed on me. But I used to use the plot in battle when I first started, and I know how annoying that is.

I guess I've learned to enjoy controlling the boat manually in situ, I'd never go back to using plots again.

A mighty clever fix you made though! I admire your cleverness.

08-02-2005, 12:28 PM

Same here. I usually have my patrol course laid out ahead of time, and I don't erase it unless I decide to move to a new area. When in combat I do all of my plotting manually, and only after it's all over do I tell the Navigator "return to course".

SteamWake · 08-02-2005, 01:53 PM

Yea return to course may as well read "Reveal our location" or maybe "Unzip our fly" ...

Anyhow interesting approach to the problem thanks for sharing Im sure some will find it usefull.

08-01-2005, 07:58 PM	#1
Average Joe 中国水兵 Join Date: Apr 2005 Location: U.S. Posts: 276 Downloads: 0 Uploads: 0	Changed 'Ahead Standard' default speed value At present I'm in a campaign with a VII-C/42, mid-1944. Here's a small speed-change I made to the VIIC class submarine .cfg file (NSS_Uboat7c.cfg). Default values: [EngineProperties] AllStop=0.00 AheadSlow=0.40 AheadOneThird=0.57 AheadStandard=0.80 <---CHANGED to: AheadStandard=0.45 AheadFull=0.94 AheadFlank=1.00 BackSlow=-0.26 BackStandard=-0.40 BackFull=-0.53 BackEmergency=-0.66 This helps me in 2 ways: 1.) Submerged, and 'accidently' creating a new plot-course, especially when extremely close to a pack of DD's, or convoy merchants. Since SH3 defaults to 'Ahead-Standard' when plotting a new course, sub-noise (props, electric motors, etc.) increases greatly! If this happens I usually get detected; mostly during critical points when trying to slip past escorts, and into a convoy of merchants. ____ 2.) Setting for best fuel-economy cruise speed with the VIIC/42. The VIIC/42's best 'econ-cruise' speed seems to be right at 9-knots. The change above sets 'Ahead-Standard' setting to 9-knots. During a single patrol, I make a -lot- of course-plotting changes. If any new course-plot is created from scratch, speed always defaults to 'Ahead-Standard'. For the VIIC/42, that translates to about 16-knot cruise-speed, which really burns-up a lot of fuel. Anyway, the main reason I changed the value is for 'quiet' submerged speed. I can't figure out a better way to do this, because 'Standard-Ahead' is the default speed when resetting a plot-course. Plus, the value of .45, is very close to 'Ahead-Slow' speed of .40, which I use a lot when silent running. So far it's worked great, with much less submerged detection, and nice to have a 'default' econ-cruise speed on the surface with the VIIC/42 (no more manual speed settings with the telegraph number-gauge :/\k. Btw I tested number-values only for the VIIC/42. I will probably try the same with all other subs, setting 'Ahead-Standard' speed value very close to the 'Ahead-Slow' default value. That will help with those dang 'accidentally new' plot-courses p.s. For some reason I can't reproduce the same 9-knot 'econ-cruise' speed in single missions, even with veteran-crew. It works only in campaign/patrols. __________________ Avg. Joe

08-02-2005, 09:09 AM	#2
tycho102 Ace of the Deep Join Date: May 2005 Posts: 1,252 Downloads: 0 Uploads: 0	That's true. It certainly would help a little when you were working on your waypoints while near an escort. Good idea! __________________ My little Silent Hunter 4 repository

08-02-2005, 11:47 AM	#4
Duncan Idaho Marine Boy Join Date: Jun 2005 Location: In your baffles Posts: 359 Downloads: 0 Uploads: 0	I don't use nav plots unless I'm just travelling. When I'm in battle, I use the compass, and rudder, and steer where I want to go, so I never have the thing try to change speed on me. But I used to use the plot in battle when I first started, and I know how annoying that is. I guess I've learned to enjoy controlling the boat manually in situ, I'd never go back to using plots again. A mighty clever fix you made though! I admire your cleverness. __________________ Idaho- -I like to play poker with Tarot cards. The other night I got a full house, and 4 people died.

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08-02-2005, 11:14 AM	#3
Kafka Sailor man Join Date: Jul 2005 Location: Savannah USA Posts: 49 Downloads: 0 Uploads: 0	This way Ahead Std is actually slower than Ahead 1/3? :hmm: so then you can press 3, if you like, and speed up to .80 again, for instance? Or will it operate always at .45?

08-02-2005, 12:28 PM	#5
Sailor Steve Guest Posts: n/a Downloads: Uploads:	Same here. I usually have my patrol course laid out ahead of time, and I don't erase it unless I decide to move to a new area. When in combat I do all of my plotting manually, and only after it's all over do I tell the Navigator "return to course".

08-02-2005, 01:53 PM	#6
SteamWake Rear Admiral Join Date: Mar 2005 Posts: 13,953 Downloads: 5 Uploads: 0	Yea return to course may as well read "Reveal our location" or maybe "Unzip our fly" ... Anyhow interesting approach to the problem thanks for sharing Im sure some will find it usefull.