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  • rwtdiver
    Vice Admiral

    • Feb 2019
    • 1891

    Originally posted by DrSchmidt
    That's because we had good spies who stole many ideas from the French, e.g. the two-hull design ;-)

    And: There was a predecessor to the U1. The Krupp Forelle, an experimental midget submarine that was sold to Russia:

    https://en.wikipedia.org/wiki/Russian_submarine_Forel
    Andreas,

    This looks like another possible submarine build to me!

    Rob
    "Firemen can stand the heat."

    Comment

    • DrSchmidt
      Rear Admiral

      • Apr 2014
      • 1177

      If so, then in 1/72 scale:

      Comment

      • redboat219
        Admiral

        • Dec 2008
        • 3181

        How about a WW2 Italian CB class? Click image for larger version

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        Make it simple, make strong, make it work!

        Comment

        • DrSchmidt
          Rear Admiral

          • Apr 2014
          • 1177

          Same as for the Forell:



          In case I feel the need to make GRP molds again, I guess it would be for HMS Holland.

          Cheers Andreas

          Comment

          • He Who Shall Not Be Named
            Moderator

            • Aug 2008
            • 12964

            Originally posted by redboat219
            How about a WW2 Italian CB class? Click image for larger version  Name:	CB-20_Caproni_U-Boot-Italien_1943_Zagreb_TeslaMus_20220617_5.jpg Views:	0 Size:	56.1 KB ID:	185571
            THAT... I would kill for! Looks so damned 'organic'


            Click image for larger version

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            Who is John Galt?

            Comment

            • redboat219
              Admiral

              • Dec 2008
              • 3181

               
              Make it simple, make strong, make it work!

              Comment

              • He Who Shall Not Be Named
                Moderator

                • Aug 2008
                • 12964

                Romel!... you shameless tease!

                Damn! I don't have enough on my plate already??
                Who is John Galt?

                Comment

                • Albacore 569
                  Commander

                  • Sep 2020
                  • 453

                  I love those Italian CB subs. They been always near the top of designs to build but seem to looses out second place n ranking. ust my personal opinion. they had probably the most successful careers overall that the any of the Japanese and German designs. Having sunk some Russian ships in the black sea. I have t make a new WTC for it , that was the main reason for not building. but who knows. I'm interested!


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                  Last edited by Albacore 569; 01-24-2025, 02:38 PM.

                  Comment

                  • He Who Shall Not Be Named
                    Moderator

                    • Aug 2008
                    • 12964

                    Originally posted by Albacore 569
                    I love those Italian CB subs. They been always near the top of designs to build but seem to loose out second place n ranking. ust my personal opinion. they had probably the most successful careers overall that the any of the Japanese and German designs. Having sunk some Russian ships in the black sea. I have t make a new WTC for it , that was the main reaon for not building. but who knows. I'm interested!
                    Well, SKIPJACK-boy. Let's get the Band back one more time before we assume room temperature: You build the masters, I'll do the tooling and kit production and you, me, and maybe a few others can have one of these things, suitable for r/c. I'll do the WTC as well. 1/32nd scale?

                    Game?
                    Who is John Galt?

                    Comment

                    • Subculture
                      Admiral

                      • Feb 2009
                      • 2251

                      Boat was only 15m, so 1/32 would be about 47cm or about 18.5" imperial. 1/24 would probably be better unless you favour something very petite. Norbert Bruggen did a model of this.

                      Comment

                      • Albacore 569
                        Commander

                        • Sep 2020
                        • 453

                        Originally posted by He Who Shall Not Be Named

                        Well, SKIPJACK-boy. Let's get the Band back one more time before we assume room temperature: You build the masters, I'll do the tooling and kit production and you, me, and maybe a few others can have one of these things, suitable for r/c. I'll do the WTC as well. 1/32nd scale?

                        Game?
                        Click image for larger version  Name:	CB-1942.jpg Views:	0 Size:	47.0 KB ID:	185590

                        1.32 would be good, it would be same scale as my Argonaute (French) and the HMS Meteorite (German/British) now progressing. It would make the CB in 1/32 scale 18.75 inches long, and 3.71-inch beam.

                        Hull break where sir? Upper and lower halves? or water line?

                        Saving up money for my Suffren SNS (SSN) in 1/64. Expect to send money to Bob in spring of 2025. So I can tackle the hull master in the meantime.

                        I have enough bass wood still. Want me to make the tail feathers too? I would not be using a CNC machine, just old fashion templates and sanding and eyeballs. lol..I know how you aren't into 3d printing. I love the smell of carved wood in the morning. I'm retired and WTF, need something to do, before planted too. Ok let's do this.

                        I think the Italians who have always built great ships, the CBs were probably among most successful midget subs of that era. Leaning toward 1/32. vs 1/24. Your final call in locking in scale boss .. When we did the Skipjack, I remember in phone conversations balking that a 1/96 scale D& E skipjack might be too small. But I was proven happily wrong as you made a great model. So the smaller 1/32 scale is fine to me.

                        1.32 scale - 18.75 inches long, and 3.71-inch beam.
                        or
                        1/24 scale 24.62 inches lng and 5-inch beam?

                        Funny the damn thing looks so beautiful; it looks like a Koi fish in a suit of armor...lol.

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                        Last edited by Albacore 569; 01-24-2025, 04:40 PM.

                        Comment

                        • He Who Shall Not Be Named
                          Moderator

                          • Aug 2008
                          • 12964

                          Originally posted by Albacore 569

                          Click image for larger version Name:	CB-1942.jpg Views:	0 Size:	47.0 KB ID:	185590

                          1.32 would be good, it would be same scale as my Argonaute (French) and the HMS Meteorite (German/British) now progressing. It would make the CB in 1/32 scale 18.75 inches long, and 3.71-inch beam.

                          Hull break where sir? Upper and lower halves? or water line?

                          Saving up money for my Suffren SNS (SSN) in 1/64. Expect to send money to Bob in spring of 2025.

                          I have enough bass wood still. Want me to make the tail feathers too? I would not be using a CNC machine, just old fashion templates and sanding and eyeballs. lol..I know how you aren't into 3d printing. I love the smell of carved wood in the morning. I'm retired and WTF, need something to do, before planted too. Ok let's do this.

                          I think the Italians who have always built great ships, the CBs were probably among the best midget subs of that era. Leaning toward 1/32. vs 1/24. Your final call in locking in scale boss .. When we did the Sipjack, I remember in phone conversations balking that a 1/96 scale D& E skipjack might be too small. But I was proven happily wrong as you made a great model. So the smaller 1/32 scale is fine to me.

                          1.32 scale - 18.75 inches long, and 3.71-inch beam.
                          or
                          1/24 scale 24.62 inches lng and 5-inch beam?

                          Funny the damn thing looks so beautiful, it looks like a Koi fish in a suit of armor...lol.
                          Oh, **** yeah! 1/32 is no problem -- a 2" WTC will go in there with no trouble at all. Maybe a 2.5" WTC if we put the motor in the wet. Make it happen. Standing by.

                          Talk'n parts done!

                          (Itailian submarine... what do we do about the inevitable oil-slick?)

                          David
                          Who is John Galt?

                          Comment

                          • Albacore 569
                            Commander

                            • Sep 2020
                            • 453

                            Originally posted by Subculture
                            Boat was only 15m, so 1/32 would be about 47cm or about 18.5" imperial. 1/24 would probably be better unless you favour something very petite. Norbert Bruggen did a model of this.
                            Bob makes some important points. Yes, I see the possibilities. Open to either scale.

                            Was offered some detailed which I am grateful to get and will use and not share per agreement. Thank you.

                            The casing has these massive undercuts to tuck in those open torpedoes. Thinking we may need three-way split. a full lower half, and then a left and right top half? David? So, your definite on 1/32?

                            Either scale is good but the 1/24 might be a little roomer inside around the WTC? But Dave you have to decide scale early on in the process naturally as you are the 'primary shipyard'. and I am ust the lofting dept...lol. We can also all go over this in private emails and move this portion of the todays build to a new thread? I don't mind transparency, the resources of advice here are an embarrassment of riches already. :)


                            'Norbert Bruggen did a model of this". Norbert? anything from your build you could give advice on if you wished you had done something differently perhaps in hindsight?
                            Last edited by Albacore 569; 01-24-2025, 06:06 PM.

                            Comment

                            • Subculture
                              Admiral

                              • Feb 2009
                              • 2251

                              Not Bob, I'm Andy.

                              Not heard of Norbert Bruggen?

                              Comment

                              • He Who Shall Not Be Named
                                Moderator

                                • Aug 2008
                                • 12964

                                The break will be equatorial all the way around -- a simple plane. No Z-cut. We'll place the break at the waterline -- that way we can hide the seam with sea-grass and other crap. The tooling for the upper and lower hull halves can accommodate steep and even negative draft (rubber glove, GRP shell). Don't worry... not my first rodeo, as you well know, Steve. As the rubber captures all detail, don't be shy about putting in such no-no's as limber holes, plating, panel lines, oil-canning, etc. The rubber will capture all (even finger prints!)
                                Last edited by He Who Shall Not Be Named; 01-24-2025, 07:14 PM.
                                Who is John Galt?

                                Comment

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