PaperModelers.com

PaperModelers.com (https://www.papermodelers.com/forum/)
-   Ships and watercraft (https://www.papermodelers.com/forum/ships-watercraft/)
-   -   ORP Garland (https://www.papermodelers.com/forum/ships-watercraft/19409-orp-garland.html)

maxx2011 04-17-2012 08:57 AM

ORP Garland
 
Building the ORP GArland, but have no clue about what the small
"pipes" are on the pt and stb side of the deck besides the A and B
guns and also in front of the B gun.
Anyone any idea ?

Thanks in advance

rickstef 04-17-2012 09:11 AM

picture would help explain your question

GreMir 04-17-2012 10:46 AM

I believe somebody once told me (I'm an airplane guy...) that those supposed to be racks holding single shells. Of course I might be wrong :rolleyes:

maxx2011 04-18-2012 08:08 AM

Please find a picture which shows the objects on deck, in front of the B gun. These objects are also one deck lower along the railing port and
starboard. Hope this clearify my question.

Thanks in advance,

maxx2011 04-18-2012 08:18 AM

1 Attachment(s)
Forget the pickture......... sorry, here it is.......

strk 04-19-2012 04:44 AM

Zbiory NAC on-line - prototyp

Zbiory NAC on-line - prototyp

Zbiory NAC on-line - prototyp


I doubt if these elements are ammo racks. 120mm shells cant be exposed this way.

Maybe some smoke grenades or something?

maxx2011 04-20-2012 06:43 AM

Thanks all for your suggestions,
I agree that ammo boxes is unlikley with a firing 12 cm overhead,
but from my own experience on WWII destroyers (buckley & flower class),
their smoke equipment was installed on the quarterdeck.........
Continuing searching........

Maxx

NimitzFan 04-21-2012 03:51 PM

These are for holding ready-use shells - but a very specific kind that was safe to store this way.

The British 120mm from this period fired separate ammunition - a shell was entirely separate from the powder can. File:Australian naval gunners with 4.7 inch ammunition 1944 AWM 016472.jpeg - Wikipedia, the free encyclopedia These angle brackets held the shells used for ready-use and thereby simplified ammo supply by only requiring powder hoists.

But, nearly always the shells stored this was were for a kind of ammo called "Semi-Armor Piercing" which was developed after the end of WW1 and was a base-fused shell that was not armed until it was fired. Hence it was relatively safe to store this way. A picture of the round can be found at File:4.7 inch SAP Mk II A shell diagrams 1933.jpg - Wikipedia, the free encyclopedia

I have seen a number of pictures with the brackets filled with shells, but I can't put my fingers on any right now. Even in wartime, if in port, they were always empty so you can safely leave them that way on a display model. (Which really looks terrific by the way!)

strk 04-22-2012 02:45 AM

Thx for complete explanation.

I didnt expected "separate amunnition" relatively small caliber... and semi-AP?

NimitzFan 04-22-2012 08:05 AM

Regarding SAP - Tests after WW1 persuaded the British that "Semi-Armour Piercing" was the best choice. It was designed to penetrate less than 1" of armor plate and then explode instead of exploding at first impact. Their tests convinced them that British destroyers would engage enemy destroyers which had stronger plating or very light armor over critical spaces, such as engineering or magazines. The intent was to enable British destroyers to more effectively stop their enemies.

However, in actual combat, the SAP shell did not perform as expected. The problem is that even in calm seas at short range it proved really hard to hit those specific points of an enemy unit. For example, at the first battle of Narvick, five British "H-class" destroyers engaged 10 German destroyers. The range was short, the sea was calm and the Germans thought that the British shells were defective because unless they hit something substantial, they would go right through the German and explode beyond the target. The problem was that the German ships were built as lightly as possible in order to obtain speed and so the SAP didn't have very much to hit. Captain Donald MacIntyre's 1962 book "Narvik" discusses the problem at some length.

On the other hand, SAP was the perfect round for engaging a surfaced submarine. The shell would penetrate and explode inside the pressure hull - something an HE round wouldn't do. One hit from an SAP that sub's war was over.

Regarding "Separate Ammunition" - the cutoff between fixed and semi-fixed or separate ammo seems to have normally happened at about 4" (102mm) for the Allied powers during WW2.

For example, the British 4" (102mm) antiaircraft gun fired exclusively fixed ammo. See Britain 4"/45 (10.2 cm) QF HA Marks XVI, XVII, XVIII and XXI However, they had anti-surface weapons of the same caliber that fired separate ammo. In fact, if you look at any Flower-class corvette, you see the same angle irons for holding shells. In fact, a picture showing them can be seen here -the last picture on the page. Britain 4"/45 (10.2 cm) BL Marks IX and X Pictures

But the ubiquitous American 105mm howitzer round was considered "semi-fixed" even though you almost always see it handled like a "fixed" or single round. That's because the powder case wasn't crimped onto the shell. The case was separate so that before loading the round, powder bags could be removed from it in order to manipulate the shell's trajectory and range. Sometimes you see a shot of the gunners removing bags before putting the shell on the case. The round was then handled and loaded as a single piece. M101 howitzer - Wikipedia, the free encyclopedia

In another example, except for submarine use, the widely used American 5" (127mm) was definitely "semi-fixed" in any version used since the powder case was totally separate from the shell - the rammer punched the shell and case in together. NOTE: The submarine 5"/25 lacked the rammer, and in any case was not intended to engage the enemy at any significant range. Accordingly a special fixed ammo was created for their use. But that's the exception.

I'm not an expert, but I think that cutoff for Axis power use was around 105mm, but the Germans in particular had larger caliber weapons that fired fixed ammo - a 128mm flak gun comes to mind.


All times are GMT -6. The time now is 04:48 PM.

Powered by vBulletin®
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.

Parts of this site powered by vBulletin Mods & Addons from DragonByte Technologies Ltd. (Details)
Copyright © 2007-2023, PaperModelers.com