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  • #82978
    Andy F
    Participant
      @andyf73386

      I have a new project.

      Zapped into action by remembering my old paddle steamer from years ago, I've decided to make another one. A bit more detailed this time and sadly electric powered not steam and very loosely based on this (below, Greyhound based at Blackpool) but with a more Clydeside Scottish feel to it

      greyhound.jpg

      This is progress so far:

      20190713_2.jpg

      20190713_1.jpg

      It's a shade under 1 metre long with a beam of 9" (I love mixing measurements. I'm old, it's allowed) and I'm currently really enjoying cladding the hull with 120x 3mm styrene strips (don't ask). It's taking forever….

      Question:

      I was thinking of using a Tamiya 72003 motor/gearbox unit in it. Has anyone got any thoughts on this? If so I'd love to hear them.

      More progress reports as and when

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      #9784
      Andy F
      Participant
        @andyf73386
        #82979
        Tony Hadley
        Participant
          @tonyhadley

          Andrew,

          A very interesting subject, Greyhound was a truly superb paddler and is featured in the book Andrew Gladwell's book Lancashire Coast Pleasure Steamers. Interesting to read about the rivalry between her from the North Pier and her rival, the Queen of the North from the Central Pier.

          **LINK**

          You probably have seen the clips, but there are a couple good film clips of her on the DVD, Paddle Steamer Memories.

          **LINK**

          Greyhound finished her life in Turkey as Buyukada sailing on the Bosphorus and was broken up in 1934.

           

          Regarding the power, there is the question of will you be using gearing between the motor driveshaft and paddleshaft and what voltage batteries you plan to use.

          Both Bob Abell and I have both a built a Graupner Glasgow at just over 1 metre long. We both used MFA 919D motors, Bob used a 50:1 reduction at 12v whereas I used an 11:1 at 6v. Bob used a chain drive (I am not sure of the ratio) whereas I used 3:1 gearing. The plastic chain system used by Bob, should be much quieter. The builds and information is in the links below.

          **LINK**

          **LINK**

          Wishing you every success with the build and watching with interest.

          Tony

          Edited By Tony Hadley on 15/07/2019 09:55:00

          #82981
          Bob Abell 2
          Participant
            @bobabell2

            Thank you, Tony for posting my Glasgow build

            It turned out to be a nice pretty model, but the performance was pitiful

            It was totally under powered

            It also needed more body weight for the paddles to fight against, to create a realistic paddle wash

            All the best

            Bob

            #82984
            Tony Hadley
            Participant
              @tonyhadley

              Bob,

              Sorry to hear of the performance issues with your model. Can't say I had any problems with mine. After the electric conversion, the performance was ok with the throttle open about 3/4. Sadly model is no longer with me but selling seemed the right thing to do at the time.

              Found this old postcard of Greyhound.

              blackpool - greyhound.jpg

              Tony

              #82986
              John W E
              Participant
                @johnwe

                58384380_2201674793259590_3698850844909764608_n.jpgHi there

                I built the Forceful tug a while ago and I used MFA como drill toothbelts and pulleys for the drive at roughly 50-1,

                Also 2 x Johnson 550 fan cooled motors (the thirsty ones) to drive it. As has been mentioned on 6 volt, it looked the correct scale speed for the tug, but, it had no pulling power whatsoever – therefore in great wisdom I increased the voltage to 12 volts in the model – this time I turned the tug into a 'kenwood chef' food mixer – the paddles looked spectacular thrashing the water about . But, didn't seem to improve the performance all that much – so- I tried putting NiCads in 7.2 and as it turns out 2 x 7.2 4300 Ni-MH batteries is equivalent (or thereabouts) to 6 volt 7 amp batteries of the Gel Cel type. So I loaded the model with 4 Ni-MH batteries to keep the weight right and it improved the performance greatly.001.jpg

                #83007
                Tony Hadley
                Participant
                  @tonyhadley

                  John, that is a very impressive paddler. I think your perseverance with the installation has given a superb end result.

                  Going back to the Blackpool paddlers, this BFI clip shows them in 1903. I think the first is the small paddler Belle, Greyhound is the next. The turbine steamer Deerhound is also featured. The clips of Greyhound are the same as appears on the DVD above and it has been re-worked.

                  **LINK**

                  #83010
                  John W E
                  Participant
                    @johnwe

                    Hi there Tony

                    That link to the film you have put on is extremely enjoyable with some brilliant shots of paddle steamers. Did you notice one or two things the health and safety in those days was non-existent obviously when you watch the first paddle steamer coming alongside – the gap in the bulwark with no safety chains or anything – and people could have just have walked off the side of the ship – I presume that it was left open during docking hopefully but, further on, I note there were passengers actually standing on the paddle boxes – I don't think that would happen today

                    I was led to believe a while ago that the only paddle driven ships allowed to have independent paddle drive were tugs – the very first shot of the Greyhound, when you watch her come into dock – note that the port paddle is working and the starboard paddle has stopped. Whether the paddle was going to go into reverse you cant tell in the film, so, I think I will do a bit more research about paddle drives.

                    john

                    #83011
                    Tony Hadley
                    Participant
                      @tonyhadley

                      Hi John,

                      I also noticed the Greyhound's paddle drive, i.e. one paddle revolving whilst the other is stationery/slowly reversing. I did read somewhere that her rival, the Laird built Queen of the North had independent paddle drive. Just wish I could remember where, will research and let you know. I also was under the impression that the paddle shaft couldn't be split.

                      Queen on the North, which isn't shown in the film wasn't a good looking vessel and not quite as fast as Greyhound, but she had her positive points and was very popular with the Central Pier customers. Research shows at the time, the passengers from the North Pier who sailed on Greyhound (and others) were from a higher social standing than the passengers on the Queen of the North (Bickerstaff and others) from the Central Pier (Riff Raff). There was a huge social divide at the time. Queen of the North was used a minesweeper in WW1 and was lost. The crews who manned her during the war were surprised by how powerful she was.

                      Tony

                      #83012
                      Tony Hadley
                      Participant
                        @tonyhadley

                        Hi again John,

                        I found the relevant item about the paddle shaft in the book Lancashire Coast Pleasure Steamers (above).

                        As previous post, the vessel in concern is the Queen of the North built in 1985 by Lairds of Birkenhead and the text under one of the photographs reads –

                        "The Main Shaft of the Queen of the North was divided, and was connected by a sliding coupling. The paddle wheels could therefore be operated independently when required. Queen of the North also had two boilers places side by side and a noticeable feature was the twin steam pipes that are clearly visible in this photograph. The vessel was considered to be 'over engined' and it was difficult to maintain a speed of 19 knots over a long distance. Presumably, her lightness towards the bow cause some 'lifting' when driven hard'.

                        Tony

                        #83013
                        Andy F
                        Participant
                          @andyf73386

                          Lots of really interesting info coming out here, cheers chaps. I was considering using a twin motor/gearbox setup so I could have independent wheels. I will look into this further.

                          There will be no progress on this build until next week because I'm waiting for delivery of some bits/materials and because of this I've decided to avail myself of a bit of Spanish sunshine – a few days at the house in Torrevieja smile d

                          #83142
                          Andy F
                          Participant
                            @andyf73386

                            Back from sunny Spain to sunny Britain. Who'd have guessed it?

                            Anyway. More materials arrived so I've been mostly this past couple of days in the garage playing with my boat and the silhouette cutter. This is progress so far:

                            20190726_1.jpg

                            I'm still toying with the 2 motor/2 gearbox idea but I can't get my head around what control I'd need. Can anyone point me in the right direction please?

                            #83143
                            Colin Bishop
                            Moderator
                              @colinbishop34627

                              Ashley mentioned to me last week someone who had used LEGO Technic differential gears to assist in steering a paddler – perhaps he could enlighten us further…

                              Colin

                              #83144
                              Tony Hadley
                              Participant
                                @tonyhadley

                                Before selling my Glasgow paddle tug, I was considering changing it to an independent paddle drive, with a system similar to the one shown by John W.E. earlier in this thread. My thoughts were to control the motor drive with a mixer, such as the Action Electronics P94 from Component Shop.

                                The system is better described in the Hints, Tips and Technical section. Scroll down to the heading Motor Mixers.

                                **LINK**

                                If in any doubt with this, you could contact forum member Dave Milbourn (who wrote the article).

                                #83460
                                Andy F
                                Participant
                                  @andyf73386

                                  Slowly but surely it's getting there..

                                  I'm now trying to decide the best way to make railings that isn't going to cost an arm and a leg.

                                  20190815_2.jpg

                                  20190815_1.jpg

                                  #83461
                                  Ray Wood 3
                                  Participant
                                    @raywood3

                                    Hi Andrew,

                                    Your paddler is looking very good, had you thought of fine stainless split pins, if you made a jig in the vice to give you a second rail ?? I know the turned brass commercial ones are an arm & leg

                                    The etched brass stancions are more cost effective.

                                    Regards Ray

                                    #83531
                                    Andy F
                                    Participant
                                      @andyf73386

                                      Thanks for the suggestion Ray but I've sourced some model railway 2 rail stanchions that will do the job perfectly well and they weren't too expensive either. I should've known really, I've used them before on bridge building.

                                      I've decided that PS Covenanter will be a 'sitting on a shelf looking pretty' kind of model. I'm not going to even attempt to sail her because quite frankly, I don't trust my construction method to be watertight and I'd hate for all this work to just…. sink.

                                      So. Pictures of the almost completed paddler.

                                      20190821_2.jpg

                                      20190821_1.jpg

                                      20190821_3.jpg

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