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Topic review - 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount
Author Message
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Phil,

Thanks!!! It was an interesting interlude to see if it could be done. And, as you say, I discovered two days after finishing the first print run that the 5"/38 D.P. mount was well documented dimension-wise in the Floating Drydock's MISSOURI Plan Book, had I just thought to have looked thru it while thinking about this little effort. Using the Mount & Turret catalog cut sheet wasn't wrong, but the dimensioned drawings in the Plan Book would have verified quite a bit of otherwise "guesstimates" on my part.

An interior model of the 5" dual mount would be also a quite unique and visibly interesting model to design/print. Perhaps at a larger scale that may include the gunners (?).

The 6"-47 dual gun mount, Mark 16, as installed on the WORCHESTER class cruisers, has always been an interesting item to me, as it's different than the std. 3-gun turret that most of our capital ships had in their heyday.

Hank
Post Posted: Mon Oct 17, 2022 8:54 am
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
That looks really nice.

You have started me thinking of making a CAD model and 3D print of the 5"/38 gun - probably a dual mount without the shell. I think I have enough measurements I made on the Little Rock plus the OPs for the gun to get the parts pretty correct to scale. It would be fun but quite a time sink.

But it would be a sure way to finally get my hands on the real gun drawings. They will turn up a day after I finish the model!

The 6"/47s will be a bit more difficult. I have very little documentation for them.

Phil
Post Posted: Sun Oct 16, 2022 11:34 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
I just got the nameplate installed. Final Photos of the Mount, etc. -
Attachment:
Final Photo_1.jpeg
Final Photo_1.jpeg [ 132.32 KiB | Viewed 750 times ]

Attachment:
Final Photo_2.jpeg
Final Photo_2.jpeg [ 168.08 KiB | Viewed 750 times ]


A fun design/print/build project. I get my engraved nameplates from Customized Engraving, Palo Alto, CA - they've always provided a quality product; their website:

Customized Engraving
http://www.cengraving.com
PH - 650-493-2860

Hank
Post Posted: Sat Oct 15, 2022 12:11 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Mount as a small separate project looks really good. A small edition of the Nav Bridge would be cute as well.

Regards: Tom
Post Posted: Tue Oct 04, 2022 3:01 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
I do not respond to forum trolls - Period!!!
Post Posted: Tue Oct 04, 2022 2:34 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Today I finished this 5"/38 Dual Mk. 28, Mod 2 Gun Mount mini-project by adding the Blast Cover and finishing my display base. It will be housed in a small plexi cube and I'll probably get a nameplate made up for it. Here are a few photos of the final model:
Attachment:
Finished Mt_1.jpeg
Finished Mt_1.jpeg [ 114.31 KiB | Viewed 799 times ]

Attachment:
Finished Mt_2.jpeg
Finished Mt_2.jpeg [ 117.53 KiB | Viewed 799 times ]

Attachment:
Finished Mt_5.jpeg
Finished Mt_5.jpeg [ 146.66 KiB | Viewed 799 times ]

This mount model is 1:100 scale as it's twice the size of the 1:200 scale NEW JERSEY model mounts - but, I won't swear to it :whistle: all things considered....so, I enjoyed designing, printing, and assembling this little side project! Currently designing a 3D mini project of a USN 1.1"/75 Mk. 2 "Chicago Piano" - also using the U.S. Navy Gun Turret & Mount Catalog cut sheet, pg. 16. That is going to take a while!

Hank
Post Posted: Tue Oct 04, 2022 12:12 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Tom/Phil - I think that the slewing sights were a removeable item, and as I mentioned, I don't recall seeing them in use - but, I could be mistaken.

Dave - Thanks so much!!! It was an interesting little project. As it stands, the mount is NOT to any particular scale, but the design could be adjusted to print any scale a person desired. Currently, it is 48mm wide and a similar mount for a 1:200 scale IOWA class is 24mm wide - so, scaling down by 50% would give you a part that would be 1:200 scale. Here's a comparison photo -
Attachment:
Comparison of Size.jpeg
Comparison of Size.jpeg [ 94.05 KiB | Viewed 833 times ]

My 3D design/print mount is on the left. The Trumpeter kit mount for the 1:200 scale MISSOURI is on the right (it is incorrect for the IOWA class BB - they screwed up!!!). As I'm not into the commercial arena for model parts, I don't currently have any plans to make this available. At the moment, I can't address whether the design files would be available - I'm still refining them a bit and haven't really considered that one way or another. But, thanks for asking!

Pascal - I appreciate your kind comments!!

Made a change to the display base today - added depth to the deck area behind the mount base ring to give a more proportional look to the overall part -
Attachment:
Mount Display Base.JPG
Mount Display Base.JPG [ 73.11 KiB | Viewed 833 times ]

Will run a print of that in a bit.

Hank
Post Posted: Sat Oct 01, 2022 10:33 am
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Nice work, very detailed. :woo_hoo:
Post Posted: Sat Oct 01, 2022 4:31 am
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Excellent design work! Sure makes for a beautiful print. I may have missed it but are you going to offer these for sale? Or make the file available for sale?
Thanks and again. Great work!
Dave
Post Posted: Fri Sep 30, 2022 11:46 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
No idea about the Mount Captain's sight. The hatch on top of the mount was still there on the OK City, but for most of the CLG/CG career a discone radio antenna was located on top of the mount with the base in front of the hatch.

Some information might be in OP 805.

Phil
Post Posted: Fri Sep 30, 2022 11:25 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Tom,

Thanks! I just got the mount bottom off the printer and it's drying. I don't really recall seeing the slewing sights in use, so will probably forego those items this go-round.

Storm seems to have picked up a bit - more wind & mild rain (9:20pm).

Hank
Post Posted: Fri Sep 30, 2022 8:22 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Looks very good Hank! About the only thing to add would be the mount captains slewing sight. I don't know when these were mounted and dismounted. Perhaps Phil would know?
Post Posted: Fri Sep 30, 2022 7:27 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Tom,

No, not going to happen - the 1/200 scale model will more than suffice!!!

I did get a bit of work done before the power went out -
Attachment:
Resized_20220930_162411.jpeg
Resized_20220930_162411.jpeg [ 84.19 KiB | Viewed 858 times ]

Attachment:
Resized_20220930_162419.jpeg
Resized_20220930_162419.jpeg [ 80.85 KiB | Viewed 858 times ]

With power restored, I've restarted my print of the mount bottom or base as it had one error in it, so that will finish in another hour.

Hank
Post Posted: Fri Sep 30, 2022 7:00 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Hank:

I see you added the control lever for the sight covers, I didn't put those in on my 1:192 versions. All you have to do now is build the rest of the Battleship. I remember one guy who wanted to, a while back, build a 1:120 Iowa, at over 8 ft long, a considerable project. Easy to over estimate out grasp. Would have been spectacular!

Regards: Tom
Post Posted: Fri Sep 30, 2022 1:45 am
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
InchHigh wrote:
Spectacular! Bravo Zulu!


Thanks so much, "High!!!

:thumbs_up_1: :thumbs_up_1:

I do appreciate the interest!!

Hank
Post Posted: Thu Sep 29, 2022 9:24 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Spectacular! Bravo Zulu!
Post Posted: Thu Sep 29, 2022 8:03 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Tom,

Yes, it took 3 editions to make sure things were correct - and consequently 3 different prints to get the parts beefed up enough to survive my handling calamities!!! I actually got the parts cleaned up and painted today - the barrel assemblies will require a touch up where tape pulled off took paint with it :doh_1:

So here is the mount body:
Attachment:
Resized_20220929_195500.jpeg
Resized_20220929_195500.jpeg [ 88.51 KiB | Viewed 887 times ]

Attachment:
Resized_20220929_195507.jpeg
Resized_20220929_195507.jpeg [ 81.42 KiB | Viewed 887 times ]

If I'm able to work in the shop tomorrow (weather permitting!!), I hope to get the mount assembled and then work on the display base that I've created for it.

Hank
Post Posted: Thu Sep 29, 2022 7:50 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Hank:

The illustration looks quite good. With printing there is often some development required which you have done. What we have here is an illustration of how printing and ship modeling works, there is mini project after mini project. here you have executed a mini modeling project.

When i went through my Missouri photos for details of the deck and superstructure surrounding the mounts, I was rather surprised that some of the mounts were not all centered in their deck houses.

Cheers: Tom
Post Posted: Wed Sep 28, 2022 12:47 pm
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Tom,

Thanks - I appreciate the interest & input!!

Now, on the 3rd design edition and also a 3rd printing - just took it off the printer and it came out (as far as I can tell with the supports still in place) without any issues!! Here's a couple pix of what this edition looks like design wise:
Attachment:
5in38 Mk. 28 Mod 2 Dual Gun Mount Body 3rd Edition_1.JPG
5in38 Mk. 28 Mod 2 Dual Gun Mount Body 3rd Edition_1.JPG [ 22.15 KiB | Viewed 924 times ]

Attachment:
5in38 Mk. 28 Mod 2 Dual Gun Mount Body 3rd Edition_2.JPG
5in38 Mk. 28 Mod 2 Dual Gun Mount Body 3rd Edition_2.JPG [ 18.89 KiB | Viewed 924 times ]

The first two prints revealed the need to beef up the hand grabs and a few other details on the sides/back face which tended to be weak. Everything printed well this 3rd Edition, so it's drying now.

At this point I have all the parts printed for assembly/painting and will hope to have a photo or two to show perhaps tonight. I've got the display base designed/printed and have a revision to it in the works - I'm trying to finalize the design today - this will be a partial mount location on the 01 Level amidships (Mount 55 or Mount 57).

Also, have an excellent printing of STODDARD's fwd stack, so work on that project is ongoing, as well.

Hank
Post Posted: Wed Sep 28, 2022 7:45 am
  Post subject:  Re: 3D Designed & Printed Mk. 28 Mod 2 5" 38 Dual Gun Mount  Reply with quote
Nice job Hank on the door hinges, especially to the training and elevating mechanism access doors. Looking forward to seeing a print of this mount. I printed one in 1:120 just for laughs. Many hundreds of these were produced in one form or another, equipping destroyers, cruisers, carriers and battleships.

Regards: Tom
Post Posted: Mon Sep 26, 2022 10:21 am

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