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acelanceloet
Post subject: Re: Grays Harbor DesignsPosted: October 16th, 2012, 7:16 pm
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- keep an good eye on the boxyness of the stern hull. when you submerge it, you should keep your bouyancy and stability, hence why only about 3/4th of the beam can be used for the dock.
- this also limits your powerplant: dieselelectric is most likely the way to go
- she seems a tad oversized to me......
- for reference: http://www.shipbucket.com/forums/viewto ... f=13&t=996
- I am a bit wondering about the ASuW gun mount.
- no AA aft? 2 RAM at least seems likely. also, the RAM is currently aimed at the structure :P (ow and the minor suggestion to use the newest parts)
- you might be able to put an additional deck on your structure and shorten your structure and by that ship without sacrificing any hangar space.
- could you get us some intel on the ships speed, payload (both in vehicle deck, hangar and in dock/davids) just like merchants, in this case the payload defines the sizes and specs.

that's all for the basic concept now :P

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Zephyr
Post subject: Re: Grays Harbor DesignsPosted: October 16th, 2012, 8:27 pm
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jabba wrote:
Lose the vertical lines to reduce RCS: Funnel, aft of the gun etc?
Not sure I follow what you mean? :?

acelanceloet wrote:
- keep an good eye on the boxyness of the stern hull. when you submerge it, you should keep your bouyancy and stability, hence why only about 3/4th of the beam can be used for the dock.
- this also limits your powerplant: dieselelectric is most likely the way to go
- she seems a tad oversized to me......
Only 24' longer OA than the San Antonio class; 712' vs 688'
acelanceloet wrote:
- I am a bit wondering about the ASuW gun mount.
It's there for the same reason any gun is on a ship, for tossing bits of metal and explosives at other things. :lol:
I don't care for purely defensive armament on warships, and like at least a minimal offensive capability.
acelanceloet wrote:
- no AA aft? 2 RAM at least seems likely. also, the RAM is currently aimed at the structure :P (ow and the minor suggestion to use the newest parts)
I generally wait until I get a design a bit further along before I start placing weaponry on the structure. There definately will be at least 2-3 CIWS and another RAM on there someplace though. Maybe a couple 20mm or 30mm guns as well.
As for the reversed SAM, the rumor is that one of the helmsmen was caught fooling around with the Gunnery Chiefs daughter .... :lol:
acelanceloet wrote:
- you might be able to put an additional deck on your structure and shorten your structure and by that ship without sacrificing any hangar space.
Wouldn't that increase the liklihood of 'top heavy'?
acelanceloet wrote:
- could you get us some intel on the ships speed, payload (both in vehicle deck, hangar and in dock/davids) just like merchants, in this case the payload defines the sizes and specs.
Still working that out. Figuring payload may not be the worst idea though. I am figuring at minimum, a full marine battalion with all their equipment.

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Zephyr
Post subject: Re: Grays Harbor DesignsPosted: October 17th, 2012, 4:34 am
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a bit more

[ img ]

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Zephyr
Post subject: Re: Grays Harbor DesignsPosted: October 17th, 2012, 12:15 pm
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hnh. the more I look at this thing, the less happy with it I am. I believe I may just put this back on the sidelines again until I can come up with something reasonable.

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acelanceloet
Post subject: Re: Grays Harbor DesignsPosted: October 17th, 2012, 3:58 pm
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no! why!

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jabba
Post subject: Re: Grays Harbor DesignsPosted: October 17th, 2012, 4:11 pm
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Zephyr wrote:
jabba wrote:
Lose the vertical lines to reduce RCS: Funnel, aft of the gun etc?
Not sure I follow what you mean? :?
Looking at your design so far, it looks like you might be trying to achieve a lower radar-cross section by angling away from the vertical. If this is intentional, you should apply this to the vertical surfaces on the funnel and fore superstructure. If not, just ignore me!! :)

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Zephyr
Post subject: Re: Grays Harbor DesignsPosted: October 17th, 2012, 4:40 pm
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jabba wrote:
Zephyr wrote:
jabba wrote:
Lose the vertical lines to reduce RCS: Funnel, aft of the gun etc?
Not sure I follow what you mean? :?
Looking at your design so far, it looks like you might be trying to achieve a lower radar-cross section by angling away from the vertical. If this is intentional, you should apply this to the vertical surfaces on the funnel and fore superstructure. If not, just ignore me!! :)
Ah, ok, now I get it. Thanks.

I can be a little slow sometimes. ;)

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Zephyr
Post subject: Re: Grays Harbor DesignsPosted: October 22nd, 2012, 10:27 am
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A bit more. Not sure if its an improvement, or just various random bits added.

[ img ]

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acelanceloet
Post subject: Re: Grays Harbor DesignsPosted: October 23rd, 2012, 4:46 pm
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not bad at all!
a few comments though
- I am not certain about the SPS-49. most LPD's I know of have an 3D radar, and mostly an shorter ranged one as well. that would be what I suggest as well, for example an SMART-S radar.
- SPG-62's have not been used separate from AEGIS, as far as I know. I also wonder why you have such powerful directors, are you planning on having SM-2 class missiles on board?
- the LCVP's seem to be placed a bit low: when you submerge your stern for dock operations, I think they will be in the water. with waves in mind, this seems not to be an good idea and I would suggest putting them as high as possible. this is also supported by the fact that part of your engine and fuel systems should be exactly at the position you have them now.
- the phalanx is blocked by the helicopter command structure, why not lower that into the structure a bit?

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Zephyr
Post subject: Re: Grays Harbor DesignsPosted: October 23rd, 2012, 9:00 pm
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acelanceloet wrote:
not bad at all!
a few comments though
- I am not certain about the SPS-49. most LPD's I know of have an 3D radar, and mostly an shorter ranged one as well. that would be what I suggest as well, for example an SMART-S radar.
I'll look at that as an alternative. I just wanted to make certain they had adequate coverage from any threat axis.

acelanceloet wrote:
- SPG-62's have not been used separate from AEGIS, as far as I know. I also wonder why you have such powerful directors, are you planning on having SM-2 class missiles on board?
It's possible. Our primary potential adversaries have similar capabilities, i.e. modern vessels and aircraft, so I tend to go a bit for overkill rather than need something and not have it, even though most all anti-air and anti-sub duties are carried out by the escorting DG's and FG's.

acelanceloet wrote:
- the LCVP's seem to be placed a bit low: when you submerge your stern for dock operations, I think they will be in the water. with waves in mind, this seems not to be an good idea and I would suggest putting them as high as possible. this is also supported by the fact that part of your engine and fuel systems should be exactly at the position you have them now.
Hmm. OK. I had them a bit higher initially, but it looked a bit clunky to me. I'll look at repositioning and see how that looks.

acelanceloet wrote:
- the phalanx is blocked by the helicopter command structure, why not lower that into the structure a bit?
Or just raise the CIWS on a platform?

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