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Topic review - Calling all USS Iowa BB-61 class fans
Author Message
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Prop shafts are covered with a four layer system that includes fiberglass as the final layer.
These coatings are best applied on a lathe in a machine shop, facilitated by the removal of the shafts.
They are designed to last 15 years, so may not be applied at every drydocking.

Anti Fouling and Anti Corrosion coatings are multiple layers as well and consist of grey, black and red coats.

The first coat you see above is very close to a light ghost grey. I've seen it in person. The photos are not showing the true color.

Everything you ever wanted to know about USN ship preservation is available in the following, (try everyspec.com)

NAVAL SHIPS’ TECHNICAL MANUAL, CHAPTER 631, PRESERVATION OF SHIPS IN SERVICE - GENERAL

MIL-STD-2199 COVERINGS FOR WATERBORNE MAIN PROPULSION SHAFTING ON U.S. NAVAL SURFACE SHIPS AND SUBMARINES
Post Posted: Tue Apr 23, 2024 5:47 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
BB62vet wrote:
Here are the latest photos of NEW JERSEY's hull with the first new coatings being applied -
I'm sure that Ryan Syzmanski (curator) can better explain what this coating is and why it was chosen. Unless, of course, they got a deal on surplus M1 Abrams Tank Desert Tan from the U.S. Army paint depot..... :doh_1:

It's a primer coat. Each layer is a different color so that the painters can see where they missed. The last coat is anti-fouling red.

Oddly, there was no anti-fouling paint perviously. They had just taken the boot stripe all the way down so the bottom was black.

You should get up there and see it!
Post Posted: Tue Apr 23, 2024 5:34 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Here are the latest photos of NEW JERSEY's hull with the first new coatings being applied -
Attachment:
File comment: BB-62 stern with new bottom hull coating
BB-62 in Dry Dock_1.jpg
BB-62 in Dry Dock_1.jpg [ 425.24 KiB | Viewed 84 times ]

Attachment:
File comment: BB-62 Stern with rudders after hull coating applied
BB-62 in Dry Dock_2.jpg
BB-62 in Dry Dock_2.jpg [ 320.49 KiB | Viewed 84 times ]

Attachment:
File comment: Close up of port rudder with new hull coating applied
BB-62 in Dry Dock_3.jpg
BB-62 in Dry Dock_3.jpg [ 392.25 KiB | Viewed 84 times ]


I'm sure that Ryan Syzmanski (curator) can better explain what this coating is and why it was chosen. Unless, of course, they got a deal on surplus M1 Abrams Tank Desert Tan from the U.S. Army paint depot..... :doh_1:

My thanks to the USS NEW JERSEY Museum for giving me the "okey dokey" to post the photos :thumbs_up_1:

Hank
Post Posted: Tue Apr 23, 2024 4:25 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
FFG-7 wrote:
why are the prop shafts a different color then the hull as would have thought both would have been the same color?


I suspect the shafts were removed. Documentation shows the bearings in the struts were wood from post WWII to the 80's. Then they were replaced with a phenolic. That would have required removing the end section of the shaft.

The fairwaters on the shaft joints are not in place. They may be in storage on the ship.

Brand new camera:

Attachment:
P4140062.jpeg
P4140062.jpeg [ 1.68 MiB | Viewed 3480 times ]
Post Posted: Mon Apr 15, 2024 11:10 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
why are the prop shafts a different color then the hull as would have thought both would have been the same color?
Post Posted: Sun Apr 14, 2024 7:48 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Martin,

Thanks for sharing!! Great Photos! I'm glad you included a shot of the ever elusive Docking Keel - that obscure item that befuddles most modelers. :doh_1:

For comparison, here's a couple photos of BB-62 in drydock in 1981 (Long Beach) - my friend Richard Landgraff (now deceased) is standing on the stbd. shaft. These also show the corrosion coupons installed on the ship at the time.


Attachments:
BB62 Shaft No. 4 - LBNSYD 1981_1 Small.jpg
BB62 Shaft No. 4 - LBNSYD 1981_1 Small.jpg [ 126.87 KiB | Viewed 3946 times ]
BB62 Shaft No. 4 - LBNSYD 1981_2.jpg
BB62 Shaft No. 4 - LBNSYD 1981_2.jpg [ 890.19 KiB | Viewed 3939 times ]
Post Posted: Sun Apr 14, 2024 6:07 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Drydock tour photos posted on the MW FB page. Here's a few of the photos:
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BBNJDryDockTour_047.JPG [ 1.38 MiB | Viewed 4249 times ]

If you can get to the Philadelphia Naval Yard, the tour is well worth it!
Post Posted: Sun Apr 14, 2024 12:28 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
A summary of things I have seen wrong with kits:

1. Bow knife edge way too wide.
2. Lack of a docking keel
3. The tunnel does not widen forward
4. The twin keels are incorrectly depicted as skegs rather than being integral part of the hull
5. Missing the two knuckles aft in the hull form
6. Missing the half siding under the stern
7. Shaft bossing on twin keels too long or (usually) too short
8. Hull form incorrect so the outer props enter the hull in the wrong place.
9. Hull plating wrong (and over scale)
Post Posted: Sun Apr 14, 2024 9:28 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Discussion: viewtopic.php?f=2&t=384482

Post Posted: Fri Apr 12, 2024 5:39 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
More interesting things about the ship and the renovation process. After seeing this I'm pretty happy with the props I 3D designed and printed for my 1;192 Missouri.

Cheers: Tom
Post Posted: Thu Apr 11, 2024 12:33 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Pascal,

Thanks again for posting! Quite interesting as things move forward.

Hank
Post Posted: Thu Apr 11, 2024 8:02 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote


Post Posted: Thu Apr 11, 2024 7:07 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Timmy C wrote:
Fairly certain shadowed numbers weren't used during the war.

In any case, these two large images on Navsource from Dec 1944 shows plain white numbers, no shadows:
https://navsource.org/archives/01/061/016107c.jpg
https://navsource.org/archives/01/061/016107.jpg


Correct. They were 24" high and usually white.
On lighter paint, they could be black.

Shadows came back when camo was removed post war and Haze gray was standardized.
Interestingly, the shading was 'not required during emergencies' So once the Emergency of War was over, it could be used again.

Aug 1946 is the earliest instruction letter I've seen for PacFlt ships to be painted Haze gray (Measure 13).
NAVSHIPS 250-374 Ship Concealment Camouflage Instructions came out in 1953, which is the first post war publication I've seen calling for gray ships. Measure US 27 (Haze Gray) or Measure US 17 (Ocean Gray)
NAVSHIPS 250-374 superseded Ships-2 March 1945 revision, so it took a while to standardize ship painting after the war.
Post Posted: Tue Apr 09, 2024 10:08 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Fairly certain shadowed numbers weren't used during the war.

In any case, these two large images on Navsource from Dec 1944 shows plain white numbers, no shadows:
https://navsource.org/archives/01/061/016107c.jpg
https://navsource.org/archives/01/061/016107.jpg
Post Posted: Tue Apr 09, 2024 7:21 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Hi,

I am building the USS Iowa late 1944 and I was wondering what her pennant number looks like. Was it (i) plain white or already (ii) with a black shadow as todays USN pennant numbers (as in the above post pic for example)? It was sure very small compared to todays sizes.

Unfortunately, I couldn't find a close-up of her pennant number, thus, I can't tell. Does anybody have a close-up, insight or an idea?

Thx,

Jack


Attachments:
iowa-imgur.jpg
iowa-imgur.jpg [ 69.88 KiB | Viewed 2118 times ]
Post Posted: Tue Apr 09, 2024 6:40 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Image
Post Posted: Thu Apr 04, 2024 2:53 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Post Posted: Thu Apr 04, 2024 4:28 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
I am taking lights down there so we can FINALLY get a picture of the docking keel.
Post Posted: Wed Apr 03, 2024 10:32 am
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Interesting! I hadn't known that the pressure per sq ft on the dry dock floor was an important consideration. The floating dry dock decks must have been hell for stout! He was off on his math by a factor of ten, maybe 90 tons per block rather than 900?
Post Posted: Tue Apr 02, 2024 1:32 pm
  Post subject:  Re: Calling all USS Iowa BB-61 class fans  Reply with quote
Post Posted: Tue Apr 02, 2024 4:51 am

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