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Motor/prop combination for Lesro 34.5″ Vosper crash tender

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Motor/prop combination for Lesro 34.5″ Vosper crash tender

Home › Forums › Beginners › Motor/prop combination for Lesro 34.5″ Vosper crash tender

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  • 1 July 2014 at 14:10 #50031
    Jeremy
    Participant
      @jeremy15845

      I would appreciate advice on a brushless motor size/prop combination for the Lesro 34.5" Vosper crash tender. For simplicity, I would prefer to use direct drive. I would also like to include a pump for realistic fire fighting. Any ideas for that would also be helpful.

      Jeremy

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      1 July 2014 at 14:10 #2408
      Jeremy
      Participant
        @jeremy15845
        1 July 2014 at 16:28 #50041
        Dave Milbourn
        Participant
          @davemilbourn48782

          **LINK**

          Captain Calamity (aka Bob Abell) has eventually had success with these guys' 38mm 1250KV brushless motor and 45A speed controller in his model Ellie, which is just about the same size as your Crash Tender. Might be a good place to start?
          For a monitor pump I'd suggest either the Graupner 12v pump #1951 or CEM #300 pump, run from a third channel via an ACTion P91 High Current switch. **LINK** Note that few of these pumps are rated for running continuously for more than about 30 seconds at a time.

          Dave M

          1 July 2014 at 16:40 #50043
          Jeremy
          Participant
            @jeremy15845

            Hi Dave

            Thanks for your quick reply.. Would you be able to add what size/pitch of prop would suit that motor?

            Jeremy

            1 July 2014 at 17:10 #50044
            Dave Milbourn
            Participant
              @davemilbourn48782

              I imagine it's the 40mm 2-bladed one listed just below it. Bobable can confirm this.

              1 September 2014 at 14:35 #51771
              Jeremy
              Participant
                @jeremy15845

                Hi Dave

                Would a speed controller be an OK alternative to the P91 for controlling the CEM #300?

                Jeremy

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