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Topic review - CASF IJN Light Cruisers (Tenryu-Katori-Yubari-Oyodo classes)
Author Message
  Post subject:  Re: CASF IJN Light Cruisers (Tenryu-Katori-Yubari-Oyodo clas  Reply with quote
Well, with so few wartime photos existent I had to rely quite a lot on pre-war shots I found (btw there are some very nice shots during Tenryu´s 1934 visit to Shanghai on the net) and what the people at Hasegawa and FiveStar provided. I just added a few pics into the link above to show what the FiveStar set provided to me, it was really useful.
Post Posted: Fri Jan 01, 2021 10:37 am
  Post subject:  Re: CASF IJN Light Cruisers (Tenryu-Katori-Yubari-Oyodo clas  Reply with quote
Hello Vladi, thank you for your reply! It seems like I'll have to leave it in 1942 version. You made a great remark on TT mounts in your excellent Tenryuu gallery - did you spot any other areas in the kit that require corrections?

Vladi wrote:
Just for the matter of accuracy pls note the standard IJN light AA guns were 25mm (not 23 mm).


Oops, sorry, no idea why I mixed it up, must have been carried away by new year's eve :heh:
Post Posted: Fri Jan 01, 2021 9:40 am
  Post subject:  Re: CASF IJN Light Cruisers (Tenryu-Katori-Yubari-Oyodo clas  Reply with quote
Hi Filip, I came to the same conclusion like you (and Hasegawa) regarding Tenryu´s AA armament in 1942, in accordance with Japanese Cruisers of the Pacific War by Lacroix and Wells and other sources. Photos after 1936 are only few and none of them particularly clear. See below the most useful one I found in Squadron-Signal publication when doing research for my build some time ago. Note the different height of the fwd and aft TT mounts. See http://www.shipmodels.info/mws_forum/viewtopic.php?f=60&t=166915 for more details about my build.

Just for the matter of accuracy pls note the standard IJN light AA guns were 25mm (not 23 mm).

HTH


Attachments:
193800 IJN Tenryu from Squadron-Signal Japanese Light Cruisers in action_m.JPG
193800 IJN Tenryu from Squadron-Signal Japanese Light Cruisers in action_m.JPG [ 76.47 KiB | Viewed 2184 times ]
Post Posted: Fri Jan 01, 2021 6:20 am
  Post subject:  Re: CASF IJN Light Cruisers (Tenryu-Katori-Yubari-Oyodo clas  Reply with quote
Santa Claus left me a really nice Hasegawa's Tenryuu under my Christmas tree, so it's time to get interested in the ship's modifications history :big_grin:

Hasegawa's instruction offer us two main options:
-December 1941 - 2x single 13mm AA guns, fewer rescue boats,
-Summer 1942 - 4x twin 23mm AA guns on two platforms, more rescue boats, revised and enhaced searchlights, no decals used.

According to combinedfleet's TROM (which seems most reliable, as it is the most detailed account of changes I've found) the degaussing coil was fitted as late as in June 1942, which would suggest that the Summer 1942 option is the only one available without plastic surgery to the hull. In accordance with the TROM, the second pair of twin 23mm guns was added in June 1942 as well. Additionally, two saluting guns are claimed to be removed as late as in February 1942, and that is also when switch from 2x13 to 2x2x23mm is said to have occured. Depth charge rails were added in January 1942, further limiting the possibility to build a pre-war or 1941 vessel.

Osprey's IMPERIAL JAPANESE NAVY LIGHT CRUISERS 1941–45, however, claims that the switch from 2x13mm occured as early as in 1940, and that the second pair of twin 23mm guns was added in January 1942. No comments on salutation guns or other changes were made.

As you can see, AA configuration suggested by Hasegawa fits the combinedfleet.com timeline, but then again according to this timeline you can't really build a 1941 variant from Hasegawa's kit without some serious modifications. The Osprey's alternative timeline gives me some hope, as I prefer my IJN ships to use as few 23mm guns as possible :)

Are there any photos which would confirm any of the options? I didn't manage to find any Tenryuu photos after 1936... I know that there are multiple (often conflicting) drawings, but I hardly trust them on that matter.

Happy New Year everyone!
Filip
Post Posted: Thu Dec 31, 2020 3:18 pm
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
maxim wrote:
Which part do you mean? The small items in front of the mast? Or the large platform with the white canvas cover on the top of the mast (where the spar of the foremasts is fixed)?

I have enlarged the 'guest' photo in which he circled the 'object', and it seems(?) he either means the structure in front of the mast (red arrow middle pic) with white covers / awning around the 'windows', or the smaller object/s underneath that structure (in his original pic) on the mast itself (now 'boxed in' in green in crop from one of his other photos at bottom here.)

Guess we will have to wait to see what the guest has to say? :smallsmile:


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Crop from IJN_Tenryu_in_Shanghai_Feb_1934.jpg
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Post Posted: Fri Aug 14, 2020 10:27 am
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
I have the answer for the question.

Based on Grand Prix cruiser volume P.167, as built, the look out station was indeed located where Dan had suggested. It was later moved down to the top of the gun director the way as it was shown in the photo I posted earlier.


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Post Posted: Fri Aug 14, 2020 10:00 am
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
Which part do you mean? The small items in front of the mast? Or the large platform with the white canvas cover on the top of the mast (where the spar of the foremasts is fixed)?

Lacroix-Wells mentions there only the Type 13 director, which is probably behind the canvas. It the director to guide the 14 cm guns.
Post Posted: Fri Aug 14, 2020 9:36 am
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
Dan K wrote:
I don't agree. If you look at the 2nd and 3rd photo, there's a crows nest high above the yardarm which would serve as a lookout station.

But, I've no clue as to what it really was.

Argh yes, I do see that tucked further up there Dan.

As to what it may be, the following in italics verbatim from Ed (Low) over on IJN forum >quote<"Apart from being a lookout platform, L&W seem to indicate that a Type 13 main gun director may also be located there?">end quote<. So, I wonder if it may serve two functions?

I don't have my copy of L & W at hand - (and I know Dan knows this, but for those unaware of the L&W abbreviation, Ed means the book entitled 'Japanese Cruisers of the Pacific War by Eric LaCroix and Linton Wells'; also informally, and rightly so, referred to as the Crubible :thumbs_up_1: ) - but for anyone who has they may want to check that book out for more detail.
Post Posted: Fri Aug 14, 2020 8:40 am
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
I don't agree. If you look at the 2nd and 3rd photo, there's a crows nest high above the yardarm which would serve as a lookout station.

But, I've no clue as to what it really was.
Post Posted: Fri Aug 14, 2020 6:50 am
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
ussvf17 wrote:
I believe it was a lookout station. The pipes you refer to looked like cables. I added another reference photo

I agree it was (probably) a lookout station. But is the above the same ship (Tenryu?) with just a later modification, as you will notice the area in question has been changed / modified quite a bit from the photos that 'guest' posted on previous page. (As for the 'weird piping' mentioned in 'guest' post, I also only see cabling in his photos.)

Hope no-one minds, but I will take the liberty to post over on the dedicated IJN ships forum and see what they say (and post link here after it's up there). :smallsmile:

EDIT: Re above - http://www.j-aircraft.org/smf/index.php?topic=18260.0 (While anyone will be able to read any text answer/s posted there, you need to be a member to view any photos that may be there.)
Post Posted: Fri Aug 14, 2020 5:37 am
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
I believe it was a lookout station. The pipes you refer to looked like cables. I added another reference photo


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i-img1200x775-1597187108qv997j2027962.jpg [ 149.38 KiB | Viewed 2722 times ]
Post Posted: Thu Aug 13, 2020 8:06 pm
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
I've gone through all my references and I cannot say what these are for But, I do note that these "platforms" were removed during her later refits. They are not present for her wartime appearance.

The piping may be voice tubes.
Post Posted: Thu Aug 13, 2020 1:02 pm
  Post subject:  Re: Calling all IJN Kuma (球磨) and Nagara (長良) class CL fans  Reply with quote
I need some help, does anyone know what this is? (IJN Tenryu)
Image
From various pictures i found, the best i can make out is a small platform, then some kind of weird piping that goes up...

There are a few more clearer pictures ones from wikipedia:
Image
Image
Post Posted: Wed Aug 12, 2020 8:06 am
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
Thanx for the links Maxim. No worries with Five Star set on the older Aoshima model, not gonna happen! Doug
Post Posted: Wed Dec 07, 2016 9:15 am
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
For the old kit I would really not use a Five Star set.

Perhaps there is something from GMM or Tom's Model Works?

http://www.goldmm.com/ships/gmsajncd.htm

http://www.tomsmodelworks.com/catalog/product_info.php?cPath=23_26&products_id=287

Some links with photos of the real ship:
http://blog.livedoor.jp/irootoko_jr/archives/872184.html
http://p.twipple.jp/UVXNa

Drawings:
http://www.defence.org.cn/article-10-15879.html
Post Posted: Tue Dec 06, 2016 11:20 am
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
Maxim
No, I have the older version
Attachment:
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975_rd.jpg [ 29.84 KiB | Viewed 4097 times ]

The newer version looks very nice, but I can use this older one as a test bed for improving my detailing and modification skills. My eyesight and dexterity have diminished in the 30+ years since my last foray into 1/700 ships. Thanks for your interest!! Doug
Post Posted: Tue Dec 06, 2016 11:09 am
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
dadedicos wrote:
I'm not about to spend 4 times what I paid for the model itself (which is pretty crude in terms of detail )

Do you have one of the old Aoshima kits or one of the new ones of the Katori class?

Here are photos of the new kit:
http://www.modellmarine.de/index.php?option=com_content&view=article&id=4315:aoshima-japanischer-leichter-kreuzer-kashima-1700&catid=7:aos
Post Posted: Tue Dec 06, 2016 12:31 am
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
It's good idea. Similar views can be had with other such sets from both Five Star, Flyhawk, and Rainbow.
Post Posted: Mon Dec 05, 2016 8:53 pm
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
I thought I had posted this earlier today, but I believe I hit new topic instead of reply. Anyway, in trying to find some reference material for a Aoshima Katori that I'm honing my 1/700 "skills" on, I found this up-grade set from Five Star on their website. http://www.fstarmodel.com/en/pd.jsp?id=272&_jcp=2
I'm not about to spend 4 times what I paid for the model itself (which is pretty crude in terms of detail ) But, I thought I could use these pics as a bit of an idea what extra things I could add to spruce it up. If you click on Finished Models, there is a selection of models built with their sets, and perhaps be an inspiration to some on this forum. Here's hoping that this is useful information for IJN fans :wave_1: Doug
Post Posted: Mon Dec 05, 2016 7:26 pm
  Post subject:  Re: Calling all IJN Light Cruiser fans  Reply with quote
Quote:
I have forgotten my password for like forever


Well, Dominic, that'll teach you to forego this site at your peril. :smallsmile:


As to your question, I would go with the linoleum. There's no photographic evidence for Oyodo, but that was the general practice.
Post Posted: Fri Nov 04, 2016 9:39 am

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