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Hawaii Redux

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  • Member since
    August 2019
  • From: Central Oregon
Hawaii Redux
Posted by HooYah Deep Sea on Friday, October 1, 2021 7:40 PM

Been looking at rebuilding an Alaska class cruiser for some time now, and since Straycat has a similar project, I have decided to do this ship as Hawaii CBV-3, to avoid confusion.

The Hawaii, as a cruiser, never actually made it far enough to be commissioned, but in my altered state of reality (welcome to my brain) she did; and was later (late 1970's-early 1980's) used as a test platform for some of the conversion work intended for the Iowa class battleships.

I have decided on a version with an elevated flight deck and hangar bay below arrangement, replacing the No. Three main battery turret. Of course she will lose all of her 40mm and 20mm antiaircraft suite, and some of her 5"/38 DP mounts, but will naturally gain, in exchange, several modernized systems such a Tomahawk and ABL's and CIWS, plus a bunch more stuff.

Narrative:     “HAWAII’s final modernization in 1979-80 was among other things, the primary testbed for the Iowa class modernization programs. It was decided with the adequate numbers of full deck carriers, a hybrid cruiser / carrier would provide suitable facilities for a variety of aircraft, specifically helicopters and VTOL craft, in both scouting / observation and assault /support operational missions. The ship, with surface / subsurface escorts, would be utilized for power projection when a full carrier task force would be excessive or prohibitive, and for amphibious battle group command / support, adding an available deck and NGFS and standoff asset protective armaments”.

I have come up with a few drawings to illustrate the conceptual design.

  

 
 

"Why do I do this? Because the money's good, the scenery changes and they let me use explosives, okay?"

  • Member since
    August 2019
  • From: Central Oregon
Posted by HooYah Deep Sea on Friday, October 1, 2021 8:16 PM

So, taking the hangar bay drawing and laying it over the actual model, gives a good idea on the plan.

As you can see, the mooring stations will move to sponsons. With the turret and barbette removed, ordnance elevators are installed, and the aft mag group becomes the aviation mags and embarked troop (as needed) magazines. An additional elevator will take the weaps to the flight deck.

"Why do I do this? Because the money's good, the scenery changes and they let me use explosives, okay?"

  • Member since
    October 2004
  • From: Orlando, Florida
Posted by ikar01 on Friday, October 1, 2021 9:40 PM

This should be a interesting conversion.  I have thought about doing the Iowa class conversion and have decided which of the three proposals I would od but got sidetracked onto other things.

This one I'll be watching.

  • Member since
    August 2019
  • From: Central Oregon
Posted by HooYah Deep Sea on Friday, October 1, 2021 10:04 PM

Since I'm doing this as if it were the actual ship, and existing ship's systems must still be functional, the hangar bay floor would need to be some distance, between say five and eight feet in actuallity, above the main deck. That way, the hangarbay 'deck' is flat and parallel with the baseline / keel, and the ships systems that penetrate the main deck, ventilation and such, will still be able to be routed outboard as needed.

Getting started, I needed to cut away all of the 40mm and 20mm tubs on the main deck and any other obstruction that will not be covered by the hangar bay deck.

As part of the modernization, Hawaii will be getting a larger, enclosed bridge.

"Why do I do this? Because the money's good, the scenery changes and they let me use explosives, okay?"

  • Member since
    August 2019
  • From: Central Oregon
Posted by HooYah Deep Sea on Sunday, October 3, 2021 9:48 PM

Playing with the pieces / parts, here's a bit of a teaser to what I'm thinking about; a modernized Alaska Class cruiser, USS Hawaii, CBV-3.

"Why do I do this? Because the money's good, the scenery changes and they let me use explosives, okay?"

  • Member since
    November 2005
  • From: Formerly Bryan, now Arlington, Texas
Posted by CapnMac82 on Monday, October 4, 2021 2:10 PM

Question:  Did Hawaii have an armored conning tower?
They were deleting those in later vessels in favor of a CIC and to better use topside weight.

Remember that there will be a fire control computer on the 200 or 300 under all the Mk 37 directors, which was retained on all the Iowas for providing all-around antiaircraft direction.

  • Member since
    April 2005
Posted by ddp59 on Monday, October 4, 2021 6:34 PM

yes it did. at the base of the 2 ladders in this link. https://www.navsource.org/archives/04/1203/04020304.jpg

  • Member since
    August 2019
  • From: Central Oregon
Posted by HooYah Deep Sea on Monday, October 4, 2021 6:45 PM

Correct, directly below the centerline superstructure 40mm mount.

And yes also to the deletion of heavily armored conning positions as they add undue weight up high and were found to be not that functional.

With the bridge enclosure I'm doing, the 'story' is that the conning tower is removed and the bridge built. The conning tower showing in the photo (bridge is from a New Jersey kit) will be covered or removed. I was just seeing if I could fit it up.       More fun to come!

As this is a late 1970's build, I'm looking at a NTDS capable ship, especially in a command and control setting.

Still working on drawings, I'm debating relocating one of the B&A cranes to the port side, just forward of the elevator, as I will have to 'handle' the Admirals gig, which doesn't go in a davit. I'm also considering a RAS arrangement on the starboard side.  

 

"Why do I do this? Because the money's good, the scenery changes and they let me use explosives, okay?"

  • Member since
    August 2019
  • From: Central Oregon
Posted by HooYah Deep Sea on Monday, October 4, 2021 10:05 PM

An updated hangar bay drawing .  .  .  some of the fun parts on a rebuild like this is figuring our how and where to put hangar bay doors and fire doors, and make them fit into the overall scheme, and still have space to move aircraft around. Lots of busy work and thinking .  .  . now my brain hurts.

"Why do I do this? Because the money's good, the scenery changes and they let me use explosives, okay?"

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