Japanese Sen Toku I-401 Submarine Build

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  • rwtdiver
    Vice Admiral
    • Feb 2019
    • 1770

    #76
    I have done a rough final sanding on the hull.

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    After going over actual photos of the i-401, it is not the finest bit of craftsman workmanship as far as full scale submarine building goes. The Japanese where in a big hurry to get the i-400 class subs in the water, and did not put a lot of fine finish work on these boats.

    Therefore some imperfections in my workmanship will just enhance the overall look of this model.

    Rob
    "Firemen can stand the heat"
    Last edited by rwtdiver; 11-15-2021, 03:26 PM.

    Comment

    • coryhenry
      Lieutenant Commander
      • Jul 2020
      • 156

      #77
      Originally posted by rwtdiver
      I have started on the super structure (sail) detail items. The deck guns have will not print out on a standard 3D printer at the scale I need! I will be fabricating the smaller guns using parts and pieces from different types of guns to achieve a reasonable facsimile to the full scale!

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      I will be using TinkerCad to achieve what I need!

      Rob
      "Firemen can stand the heat"
      Do you have a resin printer for the guns?

      Comment

      • rwtdiver
        Vice Admiral
        • Feb 2019
        • 1770

        #78
        Originally posted by coryhenry

        Do you have a resin printer for the guns?
        No, I do not have a resin printer. I was able to locate some parts and pieces on Thingiverse and print them, and then with some cutting, sanding, and a little TinkerCad I was able to replicate the 25mm deck guys pretty darn close. Close enough for government work!

        Rob
        "Firemen can stand the heat"

        Comment

        • rwtdiver
          Vice Admiral
          • Feb 2019
          • 1770

          #79
          I have been working on the superstructure/sail. I have started on fabricating the antenna and the other array of equipment.

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          I will be adding the adding the rails to the sail as well as the main deck. I will be using TinkerCad to design the railing and they will be 3D printed!

          Rob
          "Firemen can stand the heat"

          Comment

          • rwtdiver
            Vice Admiral
            • Feb 2019
            • 1770

            #80
            I have the railings manufactured and installed on the superstructure/sail!

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            I still have a considerable amount of fine tuning on the superstructure, but it is about ready for the priming stages. I will be moving next to the hull upper deck railings next!

            Rob
            "Firemen can stand the heat"
            Attached Files

            Comment

            • rwtdiver
              Vice Admiral
              • Feb 2019
              • 1770

              #81
              I am working on the stern dive plane guards tonight.

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              I am having to fabricate these from some square plastic stock that I have. There are a lot of items on this build that are being scratch built because the 3D printer just could not make them correctly! No Problem!! I am enjoying the building process on this boat!

              Rob
              "Firemen can stand the heat"

              Comment

              • rwtdiver
                Vice Admiral
                • Feb 2019
                • 1770

                #82
                The i-401 Sen-Toku construction is complete!

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                All I have left to do is some final sanding and cleanup work, and then the final finish work itself!
                After going over all the original photos of the full-scale boat (thanks to those for posting a lot of the photos) I am going to do the final finish in more of a rustic look!

                Rob
                "Firemen can stand the heat"

                Comment

                • Sam Victory
                  Commander
                  • Sep 2021
                  • 391

                  #83
                  I've always been troubled by one question: what exactly is the crane structure on the I-400 submarine? I have thought of various structures to realize the crane retraction, rotation and hook retraction. But given the paucity of information on the I-400 submarine, I still don't know the real structure of the crane. The real structure may be very simple, but unfortunately, the reference pictures are either too vague or simply too few.

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                  I-14:
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                  I-400:
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                  V

                  Comment

                  • KumaDog
                    Lieutenant, Junior Grade
                    • Sep 2021
                    • 36

                    #84
                    How about for retrieving the aircraft after their mission?

                    Comment

                    • Sinksalot
                      Commander
                      • Mar 2020
                      • 332

                      #85
                      Originally posted by rwtdiver
                      The i-401 Sen-Toku construction is complete!

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                      Click image for larger version

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                      All I have left to do is some final sanding and cleanup work, and then the final finish work itself!
                      After going over all the original photos of the full-scale boat (thanks to those for posting a lot of the photos) I am going to do the final finish in more of a rustic look!

                      Rob
                      "Firemen can stand the heat"
                      This is looking good, keep up the good work.

                      Comment

                      • SubDude
                        Captain
                        • Dec 2019
                        • 803

                        #86
                        Very nice work Rob. That has been quite a project for sure.

                        Comment

                        • rwtdiver
                          Vice Admiral
                          • Feb 2019
                          • 1770

                          #87
                          Thank you, Sam for the new photos! They just re-a-sure me that a more rustic look will be the final finish!

                          Hi Steve, and thank you for your compliment! The crane reference, it was used to retrieve the aircraft after their mission! After locating the i-401 on Thingiverse, and doing some CAD work to re-size and re-a-just some of the pieces, a long with scratch building other structures, it has been a real learning process! The most I got out of this project was not only the building, but reading the history on the i-400 class boats!

                          Rob
                          "Firemen can stand the heat"

                          Comment

                          • SubDude
                            Captain
                            • Dec 2019
                            • 803

                            #88
                            Originally posted by rwtdiver
                            Thank you, Sam for the new photos! They just re-a-sure me that a more rustic look will be the final finish!

                            Hi Steve, and thank you for your compliment! The crane reference, it was used to retrieve the aircraft after their mission! After locating the i-401 on Thingiverse, and doing some CAD work to re-size and re-a-just some of the pieces, a long with scratch building other structures, it has been a real learning process! The most I got out of this project was not only the building, but reading the history on the i-400 class boats!

                            Rob
                            "Firemen can stand the heat"
                            My 16 year old son is enamoured with the I-400. He wants one bad in 1/48th scale.

                            Comment

                            • rwtdiver
                              Vice Admiral
                              • Feb 2019
                              • 1770

                              #89
                              That's great Steve! It's really nice to see you and your son working together in this hobby. Cherish that special time with him Steve!!

                              The i-401 that I found on Thingiverse was about 6' long at 100% build size! My Dremel of course could not handle that size and that is why I sized mine down! You might check out the files for the i-401 on Thingiverse, you might be able to use their files!

                              Rob
                              "Firemen can stand the heat"

                              Comment

                              • rwtdiver
                                Vice Admiral
                                • Feb 2019
                                • 1770

                                #90
                                I have started off with a slight darker grey primer on the i-401.

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                                I will use this color to build off the rustic look that I am looking for!

                                Rob
                                "Firemen can stand the heat"

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