Das Werk SM U9 - WTC fit

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  • Thorbrandr
    Lieutenant Commander

    • Mar 2022
    • 151

    #1

    Das Werk SM U9 - WTC fit

    Watching DrSchmidt's build come together is inspirational.

    My wife got me that kit when it came out. My college age daughter has gotten into plastic models, and this is now something we we she visits over school breaks. She likes modern fighters. We had been working on a model of her grandfathers AU-1 Corsair, but I need to do some more paint work , so now I have the static U9 building. She has lots of questions, and wanted the tour of the U505 down in Chicago on this trip.

    I also spent some time with measurements and such on the Das Werk kit. Since there have been questions on the kit and an RC modified version I'll put these out. There is room to put in a WTC. A 50 mm x 300 mm WTC just fits. These are photos with my RC build hull.

    A question will be the forward planes. Two servo setup. Leave the forward planes fixed? Link to the stern planes? The stern planes are rather high on the hull, so I have concern on the stern plane only operation.

    Thoughts?

    Attached Files
  • He Who Shall Not Be Named
    Moderator

    • Aug 2008
    • 13404

    #2
    Bow planes and stern planes work independent of each other -- never the two shall meet!
    Who is John Galt?

    Comment

    • wlambing
      Commander

      • Nov 2020
      • 361

      #3
      Unless you're playing with a Thunder Tiger Neptune, or similar!

      Comment

      • redboat219
        Admiral

        • Dec 2008
        • 3381

        #4
        How about using waterproof servos and brushed motors in the wet like David's Type XXI?
        Attached Files
        Make it simple, make strong, make it work!

        Comment

        • JHapprich
          Captain

          • Oct 2017
          • 883

          #5
          Because it will rust away?

          Comment

          • DrSchmidt
            Rear Admiral

            • Apr 2014
            • 1241

            #6
            The control planes on these old boats were far away from being placed in ideal positions. That's also the reason the bow plane configuration of U9 changed a few times. They rear planes are not in the propeller stream and therefore you only get effective force when the boat is moving. The rear planes are high and small, so not very effective. So yes, you'll need the bow planes and you need them to be independent from the rear ones.

            Comment

            • He Who Shall Not Be Named
              Moderator

              • Aug 2008
              • 13404

              #7
              Originally posted by redboat219
              How about using waterproof servos and brushed motors in the wet like David's Type XXI?
              I never put servos in the water.
              Who is John Galt?

              Comment

              • redboat219
                Admiral

                • Dec 2008
                • 3381

                #8
                Originally posted by He Who Shall Not Be Named

                I never put servos in the water.

                Make it simple, make strong, make it work!

                Comment

                • He Who Shall Not Be Named
                  Moderator

                  • Aug 2008
                  • 13404

                  #9
                  touché................
                  Who is John Galt?

                  Comment

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