Vosper rttl

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Vosper rttl

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  • #84866
    Michael Cole 8
    Participant
      @michaelcole8

      Hello,

      I am building a Vosper rttl 2754 could someone help me with the bow shape, the drawing shows the bow made up of laminated blocks I have carved the bow blocks and I need to know if I skin over the blocks or butt up to the blocks.

      I am new to the forum and would appreciate the help.

      Kind regards

      Mike.

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      #2887
      Michael Cole 8
      Participant
        @michaelcole8
        #84868
        Ray Wood 3
        Participant
          @raywood3

          sh wd sq oct 16 006.jpgHi Mike,

          Welcome to the forum, I assume your using Vic Smeeds plans?

          If so I would recommend applying the bottom ply skins first , then either laminate with balsa sheet or block the bow this allows you to carve the blocks slightly concave to create a flaired shape which couldn't be achieved with the ply to the stem.

          I've had the plan for years, but haven't got round to building it yet 😀

          Regards Ray

          Edited By Ray Wood 2 on 13/12/2019 13:38:11

          #84869
          Michael Cole 8
          Participant
            @michaelcole8

            Hi Ray,

            Thank you for the welcome.

            I had already glued the bow blocks in place thinking that was the thing to do. I initially thought gluing the blocks was the way to proceed and then skin. There is quite a bit to do and no doubt I will need more help as I progress.

            Kind regards

            Mike.

            #84871
            Ray Wood 3
            Participant
              @raywood3

              Hi Mike,

              If you have sanded the block down to the bulkhead, never fear P38 body filler is every boat builders friend 😀 and much easier to finish than block.

              Regards Ray

              Edited By Ray Wood 2 on 13/12/2019 14:58:01

              #84874
              Tony Hadley
              Participant
                @tonyhadley

                Michael,

                I've just posted the original December 1958 magazine item on the Vic Smeed Vosper RTTL. It is in the thread 'Vic Smeed's Model Boat Designs'. There really isn't a great lot of information about building the model, as was the case with many of these older designs.

                Good luck with the build,

                Tony

                #84888
                Michael Cole 8
                Participant
                  @michaelcole8

                  Hi,

                  Thank you Tony and Ray. I have had read through your list Tony quite a bit of work there.

                  Kind regards

                  Mike.

                  #84910
                  Dave Cooper 6
                  Participant
                    @davecooper6

                    Hi Mike

                    If you "PM" me I'll send you some photos of how I did mine.

                    The bow was done by carving /sanding away at solid blocks, however, this then blends into a stepped bottom which you haven't got – still it should provide some shots of the bow 'undercut' etc. for the shape up to the step. The shots are with the bows still in primer.

                    Shortly, I'll be posting some images of the finished boat – just got to mount the gun turret and tidy up a switch harness.

                    Regards,

                    Dave

                    #84912
                    Ray Wood 3
                    Participant
                      @raywood3

                      Hi Micheal,

                      If you post some photos of your progress we would be able to see how your doing, the best guide would be photos of the fullsize boats to achieve the correct shape 😀

                      Regards Ray

                      #84913
                      Dave Cooper 6
                      Participant
                        @davecooper6

                        Mike – follow Ray's suggestion. He's got much more experience than me.

                        I've got some card templates for the bow which I can let you have plus some 'http: links' for a full-size boat under restoration plus one in the water. I'll need to dig them out next time I go into the workshop…

                        What scale are you working to ? My templates are 1/43 but if you have access to a photocopier you can scale up as required. I notice that quite a lot of the RTTL / ASR plans are around 1" to 1 foot (ie 1/12).

                        Regards,

                        Dave

                        #84915
                        Dave Cooper 6
                        Participant
                          @davecooper6

                          Mike

                          Have now found the two images I used :

                          1. flikr.com/photos/67307569@N00/2628755340 ("RAF Launch and Pinnace&quot

                          2. Google : "RAF Launch 2767-01" (My link for this one is incomplete unfortunately) dated 18/03/2009.

                          Good luck with the search – some old links get 'broken' over time !

                          Dave

                          #84957
                          Michael Cole 8
                          Participant
                            @michaelcole8

                            I think I should have asked the forum before carving and fitting the bow blocks. The blocks are carved from solid wood not balsa.

                            img_20191215_143810.jpg

                            #84958
                            Michael Cole 8
                            Participant
                              @michaelcole8

                              Hi, here is another photo of the hull.

                              img_20191218_090259.jpg

                              #84961
                              Chris Fellows
                              Participant
                                @chrisfellows72943

                                The bow blocks don't look too big so shouldn't be too heavy.

                                As Ray says, you will need to use some P38 to build up the difference in level between the blocks and the skins.

                                Chris

                                #84962
                                Ray Wood 3
                                Participant
                                  @raywood3

                                  Hi Mike,

                                  The 1.5mm ply is a devil to bend and harks back to the days of diesel and glo engines which needs to be really strong so you didn't pull the engine out with the starting cord. I assume your going for electric power?

                                  To be fair the drawing doesn't talk about balsa bow blocks so you have done well, keep the photos of you progress.

                                  Another photo of the bow sheeting maybe useful

                                  Regards Ray

                                  #84965
                                  Michael Cole 8
                                  Participant
                                    @michaelcole8

                                    Hi all,

                                    I have P38 as it happens left over from my kit car build.

                                    I will upload more photos of the Vosper as I progress.

                                    I am thinking of 2 electric motors once I know what's involved with Radio Control.

                                    Kind regards

                                    Mike.

                                    Edited By Michael Cole 7 on 18/12/2019 19:52:04

                                    Edited By Michael Cole 7 on 18/12/2019 19:58:14

                                    #84968
                                    Ray Wood 3
                                    Participant
                                      @raywood3

                                      Hi Mike,

                                      Great keep us posted, it's a classic Vic Sneed design with so much detail to replicate 😀

                                      Regards Ray

                                      #84978
                                      John W E
                                      Participant
                                        @johnwe

                                        dscn0918.jpghi ya Michael

                                        you are building a classic here and by the look of it you are building straight from the plans – I built a variation of this model many moons ago – using Vic Smeed's plan as a basis, which I made some subtle changes to the chine line. The other way I went – I double planked it – obechi on the inside and mahogany on the outside. I ran it on 2 x 600 Mtroniks – the power comes from 2 x 7.2s 4000 mAmps NiCad batteries. There used to be a full write up of the build but when Mayhem crashed 95% of the build of my model was lost. What I have done is assemble what I have left of photographs of the build and put them in an Album under the RTTL.

                                        John

                                         

                                        Edited By John W E on 19/12/2019 14:15:44

                                        #84988
                                        Michael Cole 8
                                        Participant
                                          @michaelcole8

                                          Hi John,

                                          What a great looking Vosper. A fine job indeed.

                                          Yes I am building from the Vic Sneed plan 1/2 inch to 1 foot,

                                          34 inch length.

                                          I haven't decided on radio control not knowing anything about the subject. Can I fix the deck in the meantime allowing access as per the plan.

                                          Is there any recommended reading on Radio Control please.

                                          Kind regards

                                          Mike.

                                          #85001
                                          Dave Cooper 6
                                          Participant
                                            @davecooper6

                                            Mike

                                            If you want to delve into the 'technicalities' of Radio Control, I can recommend :

                                            "Theory and Practice of Model Radio Control" by Paul Newell – it's out-of-print now but I got a used copy off Amazon.

                                            However, with modern 2.4 GHz kit, you can take the 'black box' approach….ie the Transmitter (you) sends a signal to the Receiver (boat) and this, in turn will move a Servo connected to the rudder(s). To control the throttle, you use another servo if the boat is powered by an IC engine, or, an ESC (Electronic Speed Controller) if powered by electric motor(s)…

                                            Thus, it really becomes a matter of how to install and test it all in the boat. Here, I would recommend joining a model boat club as they will advise you on how best to do it on Your boat. There are many detail items to consider that probably won't be covered in any book.

                                            Hope this helps,

                                            Dave

                                            #85008
                                            John W E
                                            Participant
                                              @johnwe

                                              Hi ya there Mike

                                              As far as access to the hull – on the plan, the main superstructure lifts off and also the roof of the engine casing. On the model which I built, I also opened up the large hatch just behind the main superstructure and also the towing cabin at the back – which lifts out as a unit -This gives you ample access to the internals of the hull.

                                              here is a photograph of the areas of access on the hull which I made.

                                              john005 [800x600].jpg

                                              #85009
                                              Dave Milbourn
                                              Participant
                                                @davemilbourn48782

                                                Is there any recommended reading on Radio Control please.

                                                I wrote a piece for Model Boats magazine some time ago, entitled 'Radio GaGa'. Martyn Chorlton has a copy which he tells me will be included on this website. In the meantime if you would like a copy then please send me a Private Message with your regular E-Mail address and I'll see what I can do.

                                                Dave Milbourn

                                                #85382
                                                Michael Cole 8
                                                Participant
                                                  @michaelcole8

                                                  Hi,

                                                  Can someone help me, I am having problems obtaining Rudders to match the drawing along with the propshafts for my Vosper rttl build. I appreciate any help the community can offer.

                                                  Kind regards

                                                  Michael.

                                                  #85383
                                                  Ray Wood 3
                                                  Participant
                                                    @raywood3

                                                    Hi Micheal,

                                                    I think you will find the range of rudders & stern tubes distributed by J Perkins and sold in model shops will fit the bill, try Cornwall Model Boats, I think the medium size rudder would fit.

                                                    Regards Ray

                                                    #85402
                                                    Michael Cole 8
                                                    Participant
                                                      @michaelcole8

                                                      Hi Ray,

                                                      How do I determine the length of stern tube, the drawing shows a prop of around 9 inch for use with a marine engine, no prop size for electric motors. There is also a support close to the propeller but no details of it's construction is this support necessary if so where could I obtain construction details.

                                                      Kind regards

                                                      Michael.

                                                      Edited By Michael Cole 7 on 16/01/2020 18:59:45

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