Hobbyking Osprey build

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  • Old School
    Senior Member
    • Aug 2017
    • 686

    #16
    I have temporarily installed the motor mounting plus some of the transom equipment. The Osprey, due not having a ride pad on the hull underside, apparently is known to be a little skittish on straight running. Following the "advice" of an experienced modeller I have fitted the stuffing tube, raising it approximately 3 mm from stock. This should settle the hull better and hopefully improve directional stability.

    From images and information online it seems that Hobbyking mount the stinger too low with one example seen the stinger tube sat almost 3 mm below the chine. The owner reported issues getting up on plane.
    Attached Files

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    • Old School
      Senior Member
      • Aug 2017
      • 686

      #17
      The additional carbon fibre battery mounts arrived today so have been installed. The image shows the alternate battery locations for the 2 off 6s batteries in parallel.
      Attached Files

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      • Old School
        Senior Member
        • Aug 2017
        • 686

        #18
        Some progress. Usual delays like other boat projects plus long lead times for deliveries. Anyhow, shaft installed. Structurally complete just awaiting the Swordfish ESC so that I can determine placement plus wiring. I hope to mount the ESC on the plate above the motor as I would like to keep the forward located battery trays available for battery experimentation for CoG. I have mounted the UBEC as far forward as I can to minimise interference with reception.

        The prop is an X452 balanced and lightly sharpened. This will be a starting point once the hull gets some runtime. Batteries will be parallel 6s 65C giving me about 8000 mah.
        Attached Files

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        • hughb
          Senior Member
          • Jul 2016
          • 152

          #19
          Looking good. That motor looks huge!

          Comment

          • Beaux
            Senior Member
            • Dec 2015
            • 550

            #20
            Nice, those stingers are good I have several boats with them.

            Comment

            • Old School
              Senior Member
              • Aug 2017
              • 686

              #21
              Many thanks

              Comment

              • Aleksey72
                Junior Member
                • Jan 2014
                • 19

                #22
                9A6DBFAA-EEA4-4A81-BDA1-79953B150665.jpg

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                • Aleksey72
                  Junior Member
                  • Jan 2014
                  • 19

                  #23
                  My osprey build:)

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                  • Aleksey72
                    Junior Member
                    • Jan 2014
                    • 19

                    #24
                    A621B65F-AFF3-40D9-9260-0280E1A3AEF1.jpg

                    Comment

                    • Aleksey72
                      Junior Member
                      • Jan 2014
                      • 19

                      #25
                      D5A2678A-30C3-41DA-9795-FFCC40EDE0E0.jpg

                      Comment

                      • Aleksey72
                        Junior Member
                        • Jan 2014
                        • 19

                        #26
                        3F8C53F4-32BE-4C15-9315-F5BCDD846BBF.jpgCA99BF9F-302D-486A-A0CF-3CA6BA451287.jpg

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                        • Old School
                          Senior Member
                          • Aug 2017
                          • 686

                          #27
                          Excellent build, very impressed. The kevlar will make for a solid build. What is the bearing you have please between the stuffing tube support and the collet? What size motor did you fit?

                          Comment

                          • Aleksey72
                            Junior Member
                            • Jan 2014
                            • 19

                            #28
                            Handmade hull, carbon Kevlar.

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                            • Aleksey72
                              Junior Member
                              • Jan 2014
                              • 19

                              #29
                              Motor 5684,1000 kv, Esc Flier-300a.

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                              • Aleksey72
                                Junior Member
                                • Jan 2014
                                • 19

                                #30
                                Flexshaft-6.35,propshaft-3/16,propeller test-448”-105 km/h.

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