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PostPosted: Thu Sep 09, 2010 8:18 am 
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JTninja wrote:
^Thanks, great reference!

Question, for the rear flight deck supports, are they on the edge of the stern, or a couple feet away on both side? Im having a hard time with the above plans...


If I understand your question, you are referring to the vertical beams supporting the fore / aft girders under the flight deck. Here are pictures that should answer your question. The rearmost pair of supports are angled outward, the forward pair are completely vertical. There is a picture of HORNET in drydock taken from directly astern of her that shows the angle of the supports very well. It is too big to attach here, but you can find it in the navsource photo index under HORNET CV-8.
Attachment:
YORKTOWN stern.jpg
YORKTOWN stern.jpg [ 112.15 KiB | Viewed 3765 times ]

These are pictures of my current project - HORNET. The picture only shows the aftmost pair of supports, but they are the ones that may be hardest to figure out. The forward pair of supports go under the second side to side girder forward of the one to which the shown vertical supports are attached in the picture. In other words, they are attached to the most forward side to side beam in the pictures below. Note that the supports are not yet glued in place. When they are, they will be right on the edge of the main deck. Note that there are stiffening webs on the supports which I also have not yet attached. The outermost web actually bends to follow the edge of the deck at the very bottom. In other words, there is no way to walk around the outside of them and remain on the main deck. (Splash!)
Attachment:
HORNET Flight deck supports 007.jpg
HORNET Flight deck supports 007.jpg [ 15.46 KiB | Viewed 3765 times ]

Attachment:
HORNET Flight deck supports 011.jpg
HORNET Flight deck supports 011.jpg [ 17.94 KiB | Viewed 3765 times ]

Hope this answers your question. The blueprints / plans can be hard to understand in some places, so pictures are very important.

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PostPosted: Thu Sep 09, 2010 10:39 am 
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JTninja wrote:
^Thanks, great reference!

Question, for the rear flight deck supports, are they on the edge of the stern, or a couple feet away on both side? Im having a hard time with the above plans...


The two flat outer panels run flush with the hull and have a twist to them. This should help:
Image

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PostPosted: Thu Sep 09, 2010 3:55 pm 
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Thanks for the help guys! It was about the rear supports, I have last 2 pictures, but I couldnt tell if there was any walking space between the beams and the side of the stern. Im scratch building these, since my Revell kit isnt by any means accurate in this area. Ive seen models go both ways (lol), so I thought Id ask :thumbs_up_1:

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PostPosted: Thu Sep 09, 2010 4:28 pm 
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Check the shadow on Mike's upper photo. The shadow of the flightdeck covers the extreme stern and angles up along the hull. Note where it crosses the deckline and catches a corner of the forward support. The shadow edges line up perfectly. The support is not inset from the deckedge.


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PostPosted: Fri Sep 10, 2010 2:45 am 
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Okay, I did a mock-up. Stills needs a bit more detailing, like the horizontal bars, but so far it fits well. Hard to tell, but towards the top, the main bars change direction and go straight up.

Image

Comments? Good enough?

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PostPosted: Fri Oct 01, 2010 3:38 am 
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Bump so all the Yorktown carriers are at the top :woo_hoo: :big_grin:


Image

I circled in red the forward rear supports. I can't find any more clear pictures of them, perhaps someone can help me figure out what they look like? Its hard for me to tell, so I dont know how to produce them...

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PostPosted: Fri Oct 01, 2010 11:21 am 
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JTninja wrote:
Bump so all the Yorktown carriers are at the top :woo_hoo: :big_grin:


Image

I circled in red the forward rear supports. I can't find any more clear pictures of them, perhaps someone can help me figure out what they look like? Its hard for me to tell, so I dont know how to produce them...



JTninja, go to the online CV-5 plans http://www.hnsa.org/doc/plans/cv5.pdf and flip to pages 8 and 9, zoom in of the fantail. You will see the locations and cross sections of all of these support beams.

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PostPosted: Tue Oct 05, 2010 4:29 am 
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Thanks, Ive been using it a lot, but was wondering if there was a picture of it. The drawings show the farthest rear beams as straight lines, but in the above pictures you can see the differnt angles they have. Ive since gone back and somewhat correct these beams...

Image

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PostPosted: Mon Jan 17, 2011 2:36 pm 
Hello,
Big fan of the Yorktown and Lexington.
I just look at the big magnafied picture of the Yorktown pulling in on May 27th 42 after the Coral Sea Battle and I was wondering if that picture can be put into a download like the contruction plans, so we can get the manignified picture?
Also I noticed her number "5" was on the stern instead of the bow for Coral Sea and in Ballards exsploration the 5 is on the front by the anchor and not on the stern. Also I noticed in Ballards video was a I think you call it a bull nose, where the lines for the tie up to the pier go through directly centered on the stern of the Yorktown.
I also noticed on Hornet in her sinking photo's a number 8 is near her bow anchor. Is that the same for all the early carriers? (Enterprise, Lexington, Saratoga, Wasp and Ranger)


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PostPosted: Mon Jan 17, 2011 4:23 pm 
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The hull numbers were carried on both the bow and the stern. They don't always show up from all angles.


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PostPosted: Sat Jan 22, 2011 3:31 pm 
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JTninja, which support are you doing, the vertical post or the double post that is angled outwards?


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PostPosted: Mon Jan 24, 2011 6:08 pm 
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DavidP wrote:
JTninja, which support are you doing, the vertical post or the double post that is angled outwards?


Im working on doing both, still need to make the vertical support, the double is posted above. I stopped working for a bit since theres been a lot of work around the house, the only thing Im working on is my Indy thats being built on a board game box in the living room :heh:

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PostPosted: Tue Jan 25, 2011 9:36 pm 
http://i1189.photobucket.com/albums/z423/DennisJP/Yorktowncv-5Midway2.jpg

It is a picture of Yorktown right after the dive bomb attack at midway and it clearly shows two starboard side outriggers but aft of the 5" guns it shows a row of 50 cal. water cooled MG's and I dont see the 20mm's that I alway's thought were there and I was wondering about it? The photo is from the National Archives I believe. (Direct Link so please click)


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PostPosted: Wed Jan 26, 2011 11:57 am 
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DennisJP wrote:
It is a picture of Yorktown right after the dive bomb attack at midway and it clearly shows two starboard side outriggers but aft of the 5" guns it shows a row of 50 cal. water cooled MG's and I dont see the 20mm's that I alway's thought were there and I was wondering about it? The photo is from the National Archives I believe. (Direct Link so please click)


The Yorktown had a rushed 20MM install in Dec '41, just before heading to the Pacific. I have addressed the actual 20MM and .50 cal layout on the first page of this same thread. (So I won't use up a lot of space trying to duplicate it here.)


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PostPosted: Wed Jan 26, 2011 12:06 pm 
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Hey Dennis, your photobucket link gives a "file not found" error. :(

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PostPosted: Wed Jan 26, 2011 7:40 pm 
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I assumed he was talking about this photo: http://www.navsource.org/archives/02/020506.jpg (I couldn't get the link to work, either.)


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PostPosted: Wed Jan 26, 2011 7:44 pm 
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Yes he was - I saw the pic before the link went bad.

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PostPosted: Tue Feb 01, 2011 11:32 am 
Yes, Dick that was the link I have questions about. Sorry about the loss of connection with the picure I posted. Since 20mm's were added then I think this picture is not from the Midway Battle but from before the war.
The smoke from the stack can be caused by the ship beginning to increase in speed especially since the boilers back then where oil fired. The rest is probably a general quarters drill or there on neutrality patrol in the Atlantic.
I willl be doing a model of Yorktown in the future (1/700) for the second time. The first one is in the Bremerton Naval Museium and I also plan on doing a 1/72 nd scale Yorktown or even 1/48 scale so I'm getting all my questions answered. LOL


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PostPosted: Tue Feb 01, 2011 2:06 pm 
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DennisJP wrote:
Yes, Dick that was the link I have questions about. Sorry about the loss of connection with the picure I posted. Since 20mm's were added then I think this picture is not from the Midway Battle but from before the war.
The smoke from the stack can be caused by the ship beginning to increase in speed especially since the boilers back then where oil fired. The rest is probably a general quarters drill or there on neutrality patrol in the Atlantic.
I willl be doing a model of Yorktown in the future (1/700) for the second time. The first one is in the Bremerton Naval Museium and I also plan on doing a 1/72 nd scale Yorktown or even 1/48 scale so I'm getting all my questions answered. LOL



Dennis, while you are free to think what you like about that photo, the world's foremost experts on the Yorktown class post on this thread. There are folks here with 4 or 5 decades of research on these ships here. I can assure you with a degree of certainty reserved for the sun rising tomorrow, that the photo Dick J linked to was taken during the Battle of Midway. The smoke is from Hiryu's dive bomber hits. Based on Dick J's info, Gordon Bjorklund has a diagram posted early in this thread (page 1) showing the exact layout of all of Yorktown's armament at Midway. Read Dick J's subsequent posts just after that as well. While her port side catwalk 20mm batteries matched her sisters, her starboard side 20mm batteries were only partly complete when lost. She had 8 x 20MM alongside the island, but still had the 4 x 50 cal batteries in the catwalks fore and aft of the island on the starboard side. Two additional tubs for single 20mm's were installed in the catwalk on either side of the hangar deck boat crane. BTW, in her three day rush repair job after Coral Sea, Captain Buckmaster turned down an offer from the Pearl Harbor Navy Yard to finish installing the 20MM catwalk batteries to match her sister ships. He did not want the crew to have to go into battle with unfamiliar and undrilled battle stations and gunnery layouts. He said they would take care of the upgrade after the Midway battle. Learn to trust what you find here. The US Navy itself does not have the full details of the information we have posted here in this thread.

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PostPosted: Wed Feb 02, 2011 4:31 pm 
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dennis, what makes you think that picture is before war as i think it is during the war?


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