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Carrier Question

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Carrier Question

Old 9th Aug 2020, 07:17
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Carrier Question

Having just watched a video discussing Sterling engines and the Gotland Class of submarines, I noticed this unusual offset bow wave on the Carrier at the 10:55 point. (Almost at the end)





Anyone care to comment ?

Mods - please move if appropriate.

IG
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Old 9th Aug 2020, 07:46
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may be an outlet pipe or hose dumping water over the side?

If it was a periscope I would expect water to be thrown forward as well as sideways.

I have seen images from a perisope between a frigate propellors but I don't think a skipper would risk his boat that close to the bow.

Not sure what the underwater speed of the sub is but the carrier seems to be cracking on.
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Old 9th Aug 2020, 08:08
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When it pans round, right at 10:57, just before the scene change, you can see it's water being discharged from up high on the bow.
​​bow.
​​​​​​
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Old 9th Aug 2020, 08:11
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You can see a similar affect on this platform, from the various discharges.
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Old 9th Aug 2020, 09:10
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Thats USS america, guessing it some form of testing / acceptance trial. If you go .25 playback or frame by frame you can see what looks to be high pressure discharge as mentioned by above poster
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Old 9th Aug 2020, 09:16
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Yup, can see it now - just looks a little odd so far up and not the Anchor flat.

IG
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Old 9th Aug 2020, 16:19
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Imagegear, absolutely no idea what it is but it seems fairly constant judging by this link:-

- well, at least while this sequence was recorded. Your clip appears to the same as the 0:25 - 0:28 point in my link and, at 0:14, the flow appears to stop for a second or so. Rest of the time it seems fairly constant. Someone swabbing something down? They do whatever "swabbing" is in the Navy I understand!!



As I say, absolutely no idea what is actually causing it! H 'n' H is clueless .... again!
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Old 9th Aug 2020, 17:16
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Multiple deck and sponson scuppers (drains) go to common discharge holes. I would not be surprised to see water sloshing about during builders trials, especially with rapid rudder movements where free-standing water gets thrown all about.
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Old 9th Aug 2020, 17:39
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They weren’t called the heads for nothing,
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Old 9th Aug 2020, 20:01
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In my experience of working at sea I never encountered large volumes of standing water being drained under clear skies almost at flight deck level. However it is possible that a fire hydrant or pumps were being tested but this would not be a regular occurrence.

H & H - No clue here either. Someone may be along shortly to fill in the gaps.

IG
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