Periscope partially submerged at periscope depth

jdupree · 09-18-09, 04:10 PM

Hello. New guy here. Proud to say I did serve in the US Navy from 1991-1995 but not aboard a sub. Just bought SH4 gold edition with U-boat add ons. I assume this is the one with the patch? So I should be good to go? I am sure as I get into the game I will flood the forums with questions. The fist obvious thing I have found that at periscope depth the periscope is partially submerged. Is this a flaw I assume?

floundericiousWA · 09-18-09, 04:46 PM

Welcome!

Help us help you and clarify what you mean by "partially submerged":

Is it intermittently submerged? The game does take into account wave action!

Is it constantly submerged? That is, have you made sure to press 'p' for periscope depth?

What class submarine are you using? What are the weather conditions?

Again, welcome aboard! It's a big ocean!

kstanb · 09-18-09, 09:09 PM

If you are at PD with periscope fully extended, the most probable reason is sea conditions.
are you seeing waves? if so, just reduce your depth by some feet and you should be fine;

It almost always happened to me while using the German TypeII

gutted · 09-18-09, 09:40 PM

yup, when it's wavy it gets realy aggrevating. just click your depth dial alittle bit shallower than the line for periscope depth. do it in small increments until its rectified.

be warned, your tower (and even your deck in extreme waves) may break the surface in the trough of the waves by doing this. so best not get too close at daytime, or risk being spotted.

G2B · 09-18-09, 11:53 PM

Quote:

Originally Posted by gutted

yup, when it's wavy it gets realy aggrevating. just click your depth dial alittle bit shallower than the line for periscope depth. do it in small increments until its rectified.

be warned, your tower (and even your deck in extreme waves) may break the surface in the trough of the waves by doing this. so best not get too close at daytime, or risk being spotted.

This always makes me nervous I'm in a Sargo class right now, periscope depth is 53' and if the seas are rough I find myself closer to 49 or 50,

jdupree · 09-21-09, 08:29 AM

Thanks guys. Never took the rough seas into account. I am sure I will have more stupid questions before it is all over with!

SteamWake · 09-21-09, 08:59 AM

There is a red tick on the depth gauge which indicates periscope depth. Order a depth slightly higher than that tick and the scope will spend less time obscured.

tomoose · 09-22-09, 11:30 AM

The Observation scope does not extend as high as the Attack scope and if you are at periscope depth (i.e. the red indicator on the depth meter) it refers to the attack scope. Even in a mild sea the observation scope can be "partially submerged" so you have to bring the boat up a bit more if you plan on using the obs scope.
Having said that, does anyone know if this reflects reality or is it a slight error in the game? What advantage did the observation scope have over the attack scope (I think I read here that it was "tiltable" allowing the skipper to look up for aircraft etc? Yes/No??)
Personally I only use the observation scope at night and under calm conditions for a quick look around but normally I stick to the attack scope.

DigitalAura · 09-22-09, 03:45 PM

"The Observation scope does not extend as high as the Attack scope"

Really? ....

... I don't think that's true. At least, I've never noticed a difference. I'll have to do a test now!

Frederf · 09-22-09, 07:58 PM

I believe the obs scope had a bigger aperture for more light but more noticeable to the enemy. The tilt thing was better for looking for planes and maybe even some celestial navigation? From everything I've read there's really no periscope attacks in the dead of night in reality.

thor headsplitter · 09-22-09, 11:27 PM

On the USS Darter SS-576 our obs scope Type 8 was about 3 ft shorter then the attack scope Type 1 the Type 1 was the same as the WW II scope. The same was true on USS Drum SSN 677 and USS Los Angeles SSN 688 but the obs scope was a Type 18D/E and the attack scope was a Type 1F.

09-18-09, 04:10 PM	#1
jdupree Seaman Join Date: Sep 2009 Posts: 40 Downloads: 51 Uploads: 0	Periscope partially submerged at periscope depth Hello. New guy here. Proud to say I did serve in the US Navy from 1991-1995 but not aboard a sub. Just bought SH4 gold edition with U-boat add ons. I assume this is the one with the patch? So I should be good to go? I am sure as I get into the game I will flood the forums with questions. The fist obvious thing I have found that at periscope depth the periscope is partially submerged. Is this a flaw I assume?

09-21-09, 08:59 AM	#7
SteamWake Rear Admiral Join Date: Mar 2005 Posts: 13,224 Downloads: 5 Uploads: 0	There is a red tick on the depth gauge which indicates periscope depth. Order a depth slightly higher than that tick and the scope will spend less time obscured. __________________ Follow the progress of Mr. Mulligan : http://www.subsim.com/radioroom/showthread.php?t=147648

09-22-09, 11:30 AM	#8
tomoose Grey Wolf Join Date: Aug 2005 Posts: 930 Downloads: 23 Uploads: 0	Observation scope vs Attack scope The Observation scope does not extend as high as the Attack scope and if you are at periscope depth (i.e. the red indicator on the depth meter) it refers to the attack scope. Even in a mild sea the observation scope can be "partially submerged" so you have to bring the boat up a bit more if you plan on using the obs scope. Having said that, does anyone know if this reflects reality or is it a slight error in the game? What advantage did the observation scope have over the attack scope (I think I read here that it was "tiltable" allowing the skipper to look up for aircraft etc? Yes/No??) Personally I only use the observation scope at night and under calm conditions for a quick look around but normally I stick to the attack scope.

09-22-09, 03:45 PM	#9
DigitalAura Straight and True Join Date: Jul 2009 Location: CANADA Posts: 276 Downloads: 8 Uploads: 0	"The Observation scope does not extend as high as the Attack scope" Really? .... ... I don't think that's true. At least, I've never noticed a difference. I'll have to do a test now! __________________ ... ALL YOUR BEACH ARE BELONG TO US! ...

09-22-09, 11:27 PM	#11
thor headsplitter Watch Join Date: Aug 2008 Location: Upstate NY Posts: 18 Downloads: 65 Uploads: 0	scope heights On the USS Darter SS-576 our obs scope Type 8 was about 3 ft shorter then the attack scope Type 1 the Type 1 was the same as the WW II scope. The same was true on USS Drum SSN 677 and USS Los Angeles SSN 688 but the obs scope was a Type 18D/E and the attack scope was a Type 1F.

09-18-09, 04:46 PM	#2
floundericiousWA Medic Join Date: Nov 2007 Posts: 164 Downloads: 7 Uploads: 0	Welcome! Help us help you and clarify what you mean by "partially submerged": Is it intermittently submerged? The game does take into account wave action! Is it constantly submerged? That is, have you made sure to press 'p' for periscope depth? What class submarine are you using? What are the weather conditions? Again, welcome aboard! It's a big ocean!

09-18-09, 09:09 PM	#3
kstanb Sparky Join Date: Mar 2009 Location: Toronto, Canada Posts: 153 Downloads: 105 Uploads: 0	If you are at PD with periscope fully extended, the most probable reason is sea conditions. are you seeing waves? if so, just reduce your depth by some feet and you should be fine; It almost always happened to me while using the German TypeII

09-18-09, 09:40 PM	#4
gutted The Old Man Join Date: Apr 2005 Location: New Orleans, LA. Posts: 1,379 Downloads: 487 Uploads: 11	yup, when it's wavy it gets realy aggrevating. just click your depth dial alittle bit shallower than the line for periscope depth. do it in small increments until its rectified. be warned, your tower (and even your deck in extreme waves) may break the surface in the trough of the waves by doing this. so best not get too close at daytime, or risk being spotted.

09-21-09, 08:29 AM	#6
jdupree Seaman Join Date: Sep 2009 Posts: 40 Downloads: 51 Uploads: 0	Thanks guys. Never took the rough seas into account. I am sure I will have more stupid questions before it is all over with!

09-22-09, 07:58 PM	#10
Frederf Seasoned Skipper Join Date: Apr 2005 Posts: 665 Downloads: 79 Uploads: 1	I believe the obs scope had a bigger aperture for more light but more noticeable to the enemy. The tilt thing was better for looking for planes and maybe even some celestial navigation? From everything I've read there's really no periscope attacks in the dead of night in reality.