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PostPosted: Wed Dec 26, 2018 1:35 pm 
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Binnacle, in which a compass is housed.

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PostPosted: Wed Dec 26, 2018 5:35 pm 
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Thanks, Lars! Don´t you have a photo of it?

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PostPosted: Wed Dec 26, 2018 6:43 pm 
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Partly obscured, but you can see the one the Indianapolis used so it should be the same model the Northampton’s used. If you search Binnacle on Google images, you will get a wide array of different versions used over time.

http://www.navsource.org/archives/04/035/0403536.jpg

Matt

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PostPosted: Thu Dec 27, 2018 4:12 am 
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Great, thanks, mystery solved! Looks really "alien" with the two lights :)

Re deck plank dimensions - I checked some photos and the width seems to be roughly 12cm, see e.g. on NARA 80-G-13490. What is interesting is that the planking pattern appears to be less regular than I´d expect as noticeable on the hi-res version of the photo. Anyway, the pattern is probably nothing to really care about in 1/700 ;)

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PostPosted: Thu Dec 27, 2018 9:04 pm 
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Vladi wrote:
1. would anyone have at hand dimensions (length x width) of planking on a Northampton-class cruiser?


I was stationed on USS Prairie which served through all of WWII. Planking width was 6"/15.2 cm. Length was variable, but anywhere from 12'/366 cm or less.


Vladi wrote:
Looks really "alien" with the two lights :)

What is interesting is that the planking pattern appears to be less regular than I´d expect as noticeable on the hi-res version of the photo. Anyway, the pattern is probably nothing to really care about in 1/700 ;)


The two "lights" are actually solid metal sphere's. They help the compass keep accuracy.

Plank pattern was really not there except that they were laid fore and aft for the most part. When it came to deck protrusions and deck edges the there were planks custom cut to fit around them and fill in the space where the 6" wide planks "missed" filling.


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PostPosted: Fri Dec 28, 2018 3:24 am 
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Thanks a lot for the insights!

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PostPosted: Fri Dec 28, 2018 3:28 am 
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Vladi,

I don't know the dimensions of the Northampton class deck boards, but the Clevelands (CL) had 4" by 2" planks up to 18 feet long. They were cut to varying lengths, usually in 4 foot increments to match the frame spacing. The deck photos Guba posted are from the USS Little Rock CG-5 museum ship - it was a Cleveland class ship.

I think battleships had 6" wide deck planks.

Deck boards were beveled 3/16" by 1" deep on the top edges. When two boards were jammed together they had a 3/8" wide by 1" deep triangular gap between them. This was stuffed with oakum and a grout to make the seams water tight.

Margin boards were placed around the edges of the wooden deck. They were 9" by 2", with the deck boards nibbed (notched) in to a depth of 2" - half the width of the deck boards. However, the margin boards were never cut to less than 6" thick at the nibs. Actually, where margin boards fit against superstructure sides and other large flat surfaces the edge against the metal was 2 1/2" thick, with the board beveled to 2" thick where it joined the deck planks. This caused water to run away from the vertical metal sides. I doubt than anyone has ever tried to model this feature!

Where margin boards fit around curved features like vents and pipes they were sometimes carved to fit - but never less than 6" wide. Where there were gaps between the margin boards and vertical surfaces - especially around small radius features, the gaps were filled with a mixture of tar and cement that was harder than the grout between boards.

Phil

PS: The metal spheres on the binnacle were adjusted in/out to compensate for the ship's distortion of the Earth's magnetic field. This oriented the magnetic compass in the binnacle to correct magnetic bearings. The spheres were often called the "navigator's balls." By WWII in addition to the spheres most ships also had electrical coils on the binnacle around the compass. A current flowing through the coils generated a magnetic field that was adjusted to compensate for the ship's magnetic field.

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PostPosted: Fri Dec 28, 2018 5:04 am 
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Hi guys, thanks for all the details, I am always keen to learn new things! Especially because I live far away from the sea and becoming onboard a real big ship (not even mentioning WW2 veterans) is always a big holiday for me.
:)

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PostPosted: Tue Jan 08, 2019 7:10 pm 
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maxim wrote:
That is very likely a pirate copy!


Verified to be PIRATED.

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PostPosted: Wed Jan 09, 2019 11:21 am 
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Teak decking from HOUSTON does still exist, but I'm not sure the width of planks can be deduced from these...I've seen one such piece of CA-30's deck that is approx. 4.5" wide.

HTH


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PostPosted: Wed Jan 09, 2019 12:04 pm 
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Thanks, guys. My decision is that I will live with what´s on the Corsair Armada Houston/Chicago kit. It´s quite decent and won´t be much visible with USN Deck Blue plus weathering anyway.

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PostPosted: Tue Jan 15, 2019 8:19 pm 
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Here's a link to a bunch of photos of CHICAGO under construction and being launched, found by accident. She is listed under "CL-29" for a search. Good for lower hull references. The tif files are huge, but very detailed.
https://www.history.navy.mil/content/hi ... 29&start=0


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PostPosted: Wed Jan 16, 2019 11:31 am 
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Nice find! I hadn't thought to try the original hull number... great stuff.


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PostPosted: Wed Jan 16, 2019 12:18 pm 
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Fully agree - I always tried just CA-29, too... Thanks!

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