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Japanese Sen Toku I-401 Submarine Build

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  • Japanese Sen Toku I-401 Submarine Build

    Click image for larger version

Name:	Sen Toku I-401.jpg
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    This will be a close 1:72 scale scratch 3D printed project!

    Rob
    "Firemen can stand the heat"

  • #2
    I hope this will help you, sir. This is all information that I have carefully compiled.
    link:I-400 Japanese Aircraft Carrying Submarine - The Sub-drivers Forum (rc-sub.com)

    Sam V
    Last edited by Sam Victory; 10-25-2021, 09:44 PM.

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    • #3

      Comment


      • #4


        Thank you very much Sam! I do appreciate the great photos and the information! All my builds are far from exact boats in there details! I am not a rivet counter for sure! The design and engineering on this boat by Japan was tremendous, and I will enjoy the process of researching and building this boat!

        Thanks again Sam!

        Rob
        "Firemen can stand the heat"

        Comment


        • #5
          The I-401 has a lot of detail especially around the main sail area which may be really tough to get with a 3D printer. I guess I will have to fabricate from scratch these parts, or invest in a Resin printer!

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          This is a photo of the I-400 model that DrSchmidt built! Fantastic job that shows off not only a beautiful model, but a master builder!!

          Rob
          "Firemen can stand the heat"

          Comment


          • #6
            Click image for larger version  Name:	微信图片_202110271519432.jpg Views:	0 Size:	65.6 KB ID:	155025Click image for larger version  Name:	微信图片_202110271519434.jpg Views:	0 Size:	91.3 KB ID:	155026Click image for larger version  Name:	微信图片_202110271519435.jpg Views:	0 Size:	87.1 KB ID:	155027 ~I-400
            Click image for larger version  Name:	微信图片_202110271519437.jpg Views:	0 Size:	105.1 KB ID:	155028Click image for larger version  Name:	微信图片_202110271519439.jpg Views:	0 Size:	93.8 KB ID:	155029Click image for larger version  Name:	微信图片_202110271519441.jpg Views:	0 Size:	66.6 KB ID:	155030Click image for larger version  Name:	微信图片_202110271519442.jpg Views:	0 Size:	58.6 KB ID:	155031Click image for larger version  Name:	微信图片_202110271519445.jpg Views:	0 Size:	83.0 KB ID:	155032




            1946 Bikini Island nuclear explosion test:

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            Sam V

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            • #7
              Resin printing could definitely handle that level of detail.

              Comment


              • #8
                Originally posted by coryhenry View Post
                Resin printing could definitely handle that level of detail.
                Or... gasp of shocked breath... you can sit down at the bench, break out the tools, and MAKE IT YOURSELF!!!!!

                You know. Model-Building. What a concept.

                Don't be in such a rush to surrender to the robots.

                David
                Resident Luddite

                Comment


                • #9
                  Originally posted by He Who Shall Not Be Named View Post

                  Or... gasp of shocked breath... you can sit down at the bench, break out the tools, and MAKE IT YOURSELF!!!!!

                  You know. Model-Building. What a concept.

                  Don't be in such a rush to surrender to the robots.

                  David
                  I agree with you David!

                  I really do not want to put out any more expenditure on another printer! I just purchased a truck load of brass bars, tubes, and sheet goods, that and good old Apoxie Sculpt that Steve N. hooked me up with will do the trick, along with patience and attention to detail! Thanks for the input you guys!

                  Rob
                  "Firemen can stand the heat"

                  Comment


                  • #10
                    You just made my day worthwhile, Rob. Good to hear.

                    David
                    Resident Luddite

                    Comment


                    • #11
                      Making a little progress on the hull of this sub! (4 sections of the 20 required)

                      Click image for larger version  Name:	i-401 sub.jpg Views:	0 Size:	49.7 KB ID:	155054

                      This will be the largest sub that I have built! It will wind up in the range to 5.5 feet long! (Won't be long and I will rank right up there with Steve H.):-)) I am using my Dremel DigiLab 40 and Dremel black PLA at 100% infill for this build!

                      Rob
                      "Firemen can stand the heat"
                      Last edited by rwtdiver; 10-27-2021, 08:30 PM.

                      Comment


                      • #12
                        The superstructure, conning tower, or sail will take some creative building for sure!

                        Click image for larger version

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                        The i-401 is very similar to the i-400! Going to be a real fun build!

                        Rob
                        "Firemen can stand the heat"

                        Comment


                        • #13
                          Don't forget the stuffing.
                          https://internethobbies.com/products/tam-60737

                          Comment


                          • #14
                            I-401 and I-400 look almost identical, not much difference. I have spent a lot of time doing textual research for this submarine and let me see what I can help in terms of the details of this boat.
                            Let's take a look at the overall design. The original drawings of the I-400 class submarine were all drawn by the veterans of the boat's recollection, as all the information of the I-400 class submarine was destroyed.I have a larger and clearer image but it exceeds the system image size limit, so I'm sorry I can't upload it.




                            The details, let's start from the bow to the stern:

                            1.Bow torpedo tubes
                            The end of the bow torpedo tube is not flat, but recessed inward, as the submarine has a very sharpened bow and the left and right torpedo tubes are very close together. This is also seen on narwhal class submarines such as the SS-168 Nautilus.The shape of the I-400 bow torpedo tubes can be observed in the two pictures below.



                            Top view of torpedo tubes:



                            SS-168 Nautilus(V-6) ,recess in the bow torpedo tube:



                            V-4,USS Argonaut:





                            2. Bow planes:
                            The bow planes are characterized by its ability to be retracted into the hull. Because the I-400 has a very sharpened bow, the bow planes are rotated 180 degrees and stowed, and they are stacked in the stowed state.







                            3.Aircraft ejection track:






                            4.Conning tower:





                            Floatation chamber:

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                            Periscope and various electric detectors:

                            Click image for larger version  Name:	IMG_2380.JPG Views:	0 Size:	66.8 KB ID:	155066Click image for larger version  Name:	删除.JPG Views:	0 Size:	69.4 KB ID:	155067Click image for larger version  Name:	image_9180.jpg Views:	0 Size:	73.6 KB ID:	155068Click image for larger version  Name:	SUB-6_023.jpg Views:	0 Size:	60.7 KB ID:	155069Click image for larger version  Name:	SUB-7d_015.jpg Views:	0 Size:	46.5 KB ID:	155070 ~Snorkel tube, but the actual effect is not very good.


                            5. 140mm Deck Cannon & AA guns:

                            140mm Deck cannon

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                            140mm gun mount:

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                            AA guns:
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                            ~I-402:

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                            6. AICHI Seiran M6A1:

                            Click image for larger version  Name:	1.jpg Views:	0 Size:	94.3 KB ID:	155079Click image for larger version  Name:	aichim6a1.jpg Views:	0 Size:	74.4 KB ID:	155080Click image for larger version  Name:	Seiran pic1.jpg Views:	0 Size:	67.6 KB ID:	155081Click image for larger version  Name:	Seiran pic2.jpg Views:	0 Size:	76.8 KB ID:	155082Click image for larger version  Name:	Seiran pic3.jpg Views:	0 Size:	74.9 KB ID:	155083Click image for larger version  Name:	Stored Seiran.jpg Views:	0 Size:	61.7 KB ID:	155084Click image for larger version  Name:	Tokko.jpg Views:	0 Size:	101.4 KB ID:	155085


                            7.Fragmented details:

                            Anchor:

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                            Aircraft refueling diagram:

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                            I-401 (bow):

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                            Very much in detail and finding these pics took a lot of my energy. I hope these will be helpful to you.

                            Sam V



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                            • #15
                              Originally posted by cheapsub View Post
                              CheapSub!

                              What wing span would the 1:72 scale Seiran be do you think! Not a bad price!

                              Thanks for the info!

                              Rob
                              "Firemen can stand the heat"

                              Special Note: I did purchase the Seiran kit from Amazon. It's on it's way! It will make a great addition to the i-401!
                              Last edited by rwtdiver; 10-28-2021, 05:50 PM.

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