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Twin Props

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Twin Props

Home › Forums › Scratch build › Twin Props

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  • 6 June 2015 at 22:51 #58229
    David Marks 2
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      @davidmarks2

      I have just read an article in a model boat magazine regarding a scratch built model with twin props. The author states that both props turn in the same direction as opposed one going clockwise and one counter clockwise. Does anyone have any knowledge of which method is correct or are they both acceptable? I have also noted that R/H and L/H props are available. Again in a twin prop set-up should one prop be R/H and the other L/H? Can both motors be operated via one ESC?

      6 June 2015 at 22:51 #7014
      David Marks 2
      Participant
        @davidmarks2
        6 June 2015 at 23:19 #58230
        Dave Milbourn
        Participant
          @davemilbourn48782

          There is a wealth of stuff on the Internet about this.

          Briefly:
          Contra-rotating is better than two running in the same direction;
          You will need one of each RH and LH for that.
          The props turn thus – Stbd Clockwise; Port Anticlockwise – both when viewed from the stern.
          Yes, you can use one ESC. Wire the motors in parallel; if they both rotate in the same direction then reverse the two wires to the ESC on one of them.
          If you need more info then go looking – it's a subject which is very widely covered in the minutest detail, so I'm not going to enter into any further debate about it.

          Dave M

          7 June 2015 at 10:05 #58231
          David Marks 2
          Participant
            @davidmarks2

            David – Many thanks. I have found your article on the Mayhem web-site.

            Regards – David Marks

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