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erik_t
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 3:01 am
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I think we can do better than so-called "random features".

It seems to me like a fairly safe bet that a 5/54 twin would reproduce the 5/38 crew arrangements in general, if not in exact detail. Thus a trainer on the mount's right hand side, a pointer and checker on the left, and a mount captain at rear center where he would be out of the way. And I wouldn't expect the exterior accoutrements to be different by more than a pixel or so in any respect.

Possibly the mount would be mirrored, but I can't imagine why. Stick with what works and minimize crew re-training and additional elements in the supply chain.

Colosseum is welcome to drop in with sources and completely invalidate everything I've said :)


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Colosseum
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 4:15 am
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I really have nothing to add... the dual 5"/54 mount is not something I've ever taken time to seriously consider as I haven't drawn anything using it.

I had sort of assumed the twin mount would look similar to the single mounts aboard Midway but as I understand it no sketches of the twin mount planned exist. BB1987's take on it seems fine to me - my only suggestion might be to move the mount captain's sight hood (and blast deflector) to the rear of the mount as on the 5"/38 twins.

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ForceA1
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 11:35 am
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Norman Friedman's Naval Anti-Aircraft Guns and Gunnery has sketch of the twin Mk41 5"/54 mounting, but as intended for the early designs for the Mitschers, and as such has more in common with the later automatic Mk42 single mount rather than the twin 5"/38 mountings.


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Colosseum
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 2:28 pm
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I'm unable to find any sketch of any 5"/54 Mark 41 twin mount (as intended for the Mitschers) in my copy. The only sketch I can find of the 5"/54 is on pg130 (of the Mark 39 single mount).

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MihoshiK
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 3:39 pm
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I swer I've seen at least one take on the double Montana mount... Damnit, now I have to break out the old HD.

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BB1987
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 3:42 pm
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There are two, which I did when I drew the Montana some years ago. One is the enlarged 5/38 lookalike Dalamace used. The other one is based on the real 5/54 singles of the USS midway and its the one I've posted.

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MihoshiK
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 3:53 pm
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BB1987 wrote: *
There are two, which I did when I drew the Montana some years ago. One is the enlarged 5/38 lookalike Dalamace used. The other one is based on the real 5/54 singles of the USS midway and its the one I've posted.
Ah, right, missed your post on the previous page.

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erik_t
Post subject: Re: American Never-Built CruisersPosted: December 11th, 2019, 7:09 pm
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BB1987 wrote: *
One is the enlarged 5/38 lookalike Dalamace used. The other one is based on the real 5/54 singles of the USS midway and its the one I've posted.
The base ring on the 5/38 single mount was only slightly smaller than that of the twin (depending on exactly how you define the diameter, about 110" vs. 92"). Combined with the distance between gun axes on the twin, this meant that there was more room on either side of the single than there was to the left of the left gun and to the right of the right gun on the twin (60" from the center of the single gun to the edge of the gunhouse, compared to 48" on the twin). The single had enough space for the pointer and checker to be placed roughly side by side, looking through ports in the front of the gunhouse. The twin had to put them one behind the other, looking through telescopes built out of the side.

Expecting broadly the same geometry to hold on the 5/54 (you can't get away with a dramatically smaller base ring on the single) I think the enlarged 5/38 lookalike is much more appropriate than a 5/54 single lookalike.


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ForceA1
Post subject: Re: American Never-Built CruisersPosted: December 12th, 2019, 11:57 am
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Colosseum wrote: *
I'm unable to find any sketch of any 5"/54 Mark 41 twin mount (as intended for the Mitschers) in my copy. The only sketch I can find of the 5"/54 is on pg130 (of the Mark 39 single mount).
I've got the Google books version. Of course the point of my earlier suggestion was moot since the caption explains that development for the mounting started in 1944.
http://imgur.com/a/o91CIqp


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dalamace
Post subject: Re: American Never-Built CruisersPosted: December 12th, 2019, 10:45 pm
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From what I gather, only S-511-66 seems to use the 5"/54 that BB1987 have posts, the one from what seems to be the Midway. Every other drawings for the Not-Atlanta use an enlarged 5/38 lookalike.

http://www.shipscribe.com/styles/S-511/ ... 511-23.jpg

http://www.shipscribe.com/styles/S-511/ ... 511-66.jpg


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