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Hms holland 1 build

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  • #76
    Very clean cylinder layout Rob. You are getting closer to being done with another one.

    Comment


    • #77
      Originally posted by SubDude View Post
      Very clean cylinder layout Rob. You are getting closer to being done with another one.
      Thank you Steve!

      My cylinders sure do not hold a candle to those you fabricate for large scale submarine, not only in size, but complexity! But having only a swimming pool to operate in allows me a much simpler type of cylinder to operate with. The cylinders you engineer and fabricate for your large subs are a sight to behold! I do envy you and your talents!!

      I bet you and all those going to SubFest are now counting the hours! :-))

      Rob
      "Firemen can stand the heat"

      Comment


      • #78
        This afternoon I was able to install the WTC into the hull so that I could line up the main drive shaft, and the rudder and dive plain control linkages!

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        As you can see in the above two photos I was able to get a straight shot on the main dive shaft, as well as the rudder and dive plain linkages! I am very pleased to say the least!!! :-)))

        Rob
        "Firemen can stand the heat"

        Comment


        • #79
          Originally posted by rwtdiver View Post

          Thank you Steve!

          My cylinders sure do not hold a candle to those you fabricate for large scale submarine, not only in size, but complexity! But having only a swimming pool to operate in allows me a much simpler type of cylinder to operate with. The cylinders you engineer and fabricate for your large subs are a sight to behold! I do envy you and your talents!!

          I bet you and all those going to SubFest are now counting the hours! :-))

          Rob
          "Firemen can stand the heat"
          Oh yeah.... The weather is looking good and it is coming together. Plan to head out mid-day Thursday.

          Comment


          • #80
            Originally posted by SubDude View Post

            Oh yeah.... The weather is looking good and it is coming together. Plan to head out mid-day Thursday.
            Thats GREAT Steve!

            Eiven though I can't be there I am excited, and I sure will be thinking about you guys and the great time you will all be having! :-)) Have fun and stay safe!

            Rob
            "Firemen can stand the heat"

            Special Note: I want to pay tribute to all the first responders that paid the ultimate price for their heroism, and those that were injured on 9/11/2001...

            Rob
            "Firemen can stand the heat"
            Last edited by rwtdiver; 09-11-2022, 03:53 PM.

            Comment


            • #81
              Tonight, I got the main drive shaft connected up to the prop, and the servos set up for the rudder and the dive plains!

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              Tomorrow I will cut the linkage rods to add the magnetic couplers, and then mount the horns to the control surfaces.

              Rob
              "Firemen can stand the heat"

              Comment


              • #82
                Today I can finally say that the stern section of the Holland is complete!! :-))

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                These two top photos show the rudder (right) and the dive plains (left) linkage installation and final hook up! You can also see the main drive shaft and the prop system is in and complete.

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                This photo shows the total completed stern section. At full throw on the rudder and dive plain sticks I am getting between 30 to 40 degrees deflection on both directions! This has been somewhat of a challenge to get together. The entire stern section on this boat can be completely dismantled because of the use of stainless steel fasteners which would allow for any type repairs if required!

                Next will be to move on to the hull completion and the mounting system for the WTC.

                Rob
                "Firemen can stand the heat"

                Comment


                • #83
                  Interested to see how that small propeller moves water specially being obscured by the big stern.

                  Maybe print a new stern cone that tapers down to the propellers hub. Click image for larger version

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                  Last edited by redboat219; 09-13-2022, 11:20 PM.
                  Make it simple, make strong, make it work!

                  Comment


                  • #84
                    Originally posted by redboat219 View Post
                    Interested to see how that small propeller moves water specially being obscured by the big stern.

                    Maybe print a new stern cone that tapers down to the propellers hub. Click image for larger version  Name:	Screenshot_20220914-111905_Chrome.jpg Views:	0 Size:	52.8 KB ID:	164713
                    Hi Romel,

                    What would I do without your keen eye! You certainly have a point.

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                    The above photo (PDF files that were part of print files) shows the end cap where the prop shaft protrudes. (PALIER AR) I used the end cap as my exit point and shaft support but with no gap around the shaft.
                    I do understand what you are saying and have given it some thought through the night. I may have come up with a possible solution!?

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                    I have incorporated 3 - 5/16" holes in the below water line area of the stern. There are several large holes in the bottom of the stern so with my added holes this should give some water circulation. I really do not want to try and take the existing stern off and replace with an entirely new design!

                    I do thank you for your keen eye and for taking the time to keep me in check!! :-))

                    ESSAI 2 HOLLAND S1 - YouTube

                    Rob
                    "Firemen can stand the heat"
                    Attached Files
                    Last edited by rwtdiver; 09-14-2022, 03:31 PM.

                    Comment


                    • #85
                      Made a little more headway last evening on the hull itself!

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                      I added to brass holding straps on the stern section of the WTC.

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                      I added upper and lower hull section line up tabs to keep the hulls lined up and secure!

                      Rob
                      "Firemen can stand the heat"

                      Comment


                      • #86
                        Today I have started to do some work on the hull!

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                        I have some gaps at the stern area that need a little fill work.

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                        I do use 2 part epoxy type fillers sometimes, but on the stern I chose to use strips of PLA for the gap filler. I will then sand it all down flush.

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                        On this portion of the hull I chose to use the 2 part filler to fill in the gap.

                        Rob
                        "Firemen can stand the heat"

                        Comment


                        • #87
                          Today I have been working on the sealing up the joints on the interior with resin and fiberglass. I also fabricate the WTC hold down straps!

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                          I used Velcro and fastened them using small screws through the bottom of the hull to secure them in place.

                          Rob
                          "Firemen can stand the heat"










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                          • #88
                            Photo showing the Bow WTC support and the hold down Velcro straps in place.

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                            The boat is now ready for it's in the water trim out process before the final interior hull finish work.

                            Rob
                            "Firemen can stand the heat"
                            Attached Files

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                            • #89
                              Professional grade work there, Rob! Very nice!

                              Bob

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                              • #90
                                Originally posted by RCSubGuy View Post
                                Professional grade work there, Rob! Very nice!

                                Bob
                                Thanks Bob,

                                The WTC did not start out to be a very simple design & simple in its functionality as it is now! I did have a low-pressure ballast system designed for it, but I just made it to complicated and a banded the design. I think if I get the weight set up properly on the boat as it is now, I might have a great dynamic diver!?

                                I may redesign another WTC for the Holland and get a low-pressure ballast system built into it; I do have the space for it! I am going to get one of my many subs to perform as it is supposed to one of these days, and I will not give up until I achieve that goal! :-))

                                Rob
                                "Firemen can stand the heat"

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