The Black Pearl LSH Spec Hydro 2019

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  • Shooter
    Team Mojo
    • Jun 2009
    • 2558

    #1

    The Black Pearl LSH Spec Hydro 2019

    Hi everyone. First off, thanks for making the P-Sport version of this boat such a success. I obviously don’t do this for a profit, so it’s nice to hear success stories! Some of the known accomplishments are listed below:

    IMPBA World Record Holder, P-Sport Hydro, 1/3 Mile Oval
    2018 IMPBA FE National Champion, Leonard, MI
    2015/2016/2017 Michigan Cup Champion, Leonard, MI
    2014/2015/2016/2017/2018 MMEU Club Champion, Macomb, MI
    2017 Atlanta Spring Nationals Champion, Atlanta, GA
    2017/2018 Northern Lights CAN-AM Champion, Stoney Creek, Ontario

    Over the last few years, folks have been asking for a smaller version of the boat. This is finally in the works. The CAD is done and the first few kits have been laser cut. There are some aggressive design changes over the original Black Pearl, so it will be interesting to see results. A few of us are building prototype boats with hopes to test them in the Spring. If all goes well, I will offer a kit.

    Features Include:
    >Increased tapered air bleeds to reduce pressure under the hull
    >Aggressive airfoil
    >Direct fit for UL-1 hatch and nose
    >Dedicated electric motor mount and servo mount built into the frame
    >Center location marks (vector laser) on all frames for easy construction.

    Overall Length: 31in
    Overall Width: 15.8in
    BTW, if this boat is a success, the P-Sport version will be updated with these changes!!

    Build thread to follow…
    Attached Files
  • Shooter
    Team Mojo
    • Jun 2009
    • 2558

    #2
    The first few frame pcs were fitted and glued using West Systems. All the joints will be glassed at a later time. I’ve found that having a ‘centerline’ alone does not guarantee a straight boat. There can always be warping/twisting between frame pcs, so I’ve adopted this gridpaper approach. Works for me!
    Attached Files

    Comment

    • Shooter
      Team Mojo
      • Jun 2009
      • 2558

      #3
      The front of the boat was built with the ride surfaces flat against the build surface (boat is tipped forwards). The transom has the same height over the build board at each side to avoid any twist.
      Attached Files

      Comment

      • Shooter
        Team Mojo
        • Jun 2009
        • 2558

        #4
        Fitted and glued the 1/8” spruce sticks. Sanded the bottom flat using a long block sander. Marked center points on the bottom sheet using the laser marks on the frame pcs. Then, used a straight edge to draw a centerline. Dabbed some WS on the bottom of the frame and dropped it onto the bottom sheet using the centerline.
        Attached Files

        Comment

        • rightturnonly
          Senior Member
          • Jan 2009
          • 143

          #5
          Been waiting on this forever..looking real good..I'm sure it's going to be a runner just like the p-sport..
          JOHN A. GROSS
          MILLBROOK, AL
          Crickety Crack Racing Team

          Comment

          • robstercraws
            Senior Member
            • Apr 2017
            • 157

            #6
            Hey Shooter, when will this kit be available?

            Comment

            • Shooter
              Team Mojo
              • Jun 2009
              • 2558

              #7
              I'm hoping to have it ready in the Spring of 2019 assuming the testing goes well.

              Started working on some of the sponson details. One of the frames is glued directly to the other to form the "Ty Davis" recovery pad geometry.
              Attached Files

              Comment

              • Shooter
                Team Mojo
                • Jun 2009
                • 2558

                #8
                Starting to take shape. BTW, that built-in motor mount IS wood! I will put some glass over it. Should be plenty strong.
                Attached Files

                Comment

                • Shooter
                  Team Mojo
                  • Jun 2009
                  • 2558

                  #9
                  Working on the air bleeds and the sponson interface frame.
                  Attached Files

                  Comment

                  • TRUCKPULL
                    Fast Electric Addict!
                    • Apr 2007
                    • 2971

                    #10
                    Looking Good.

                    Larry
                    Past NAMBA- P Mono -1 Mile Race Record holder
                    Past NAMBA- P Sport -1 Mile Race Record holder
                    Bump & Grind Racing Props -We Like Em Smooth & Wet

                    Comment

                    • TRUCKPULL
                      Fast Electric Addict!
                      • Apr 2007
                      • 2971

                      #11
                      Pete
                      What is the width of the opening for the cowl.
                      Is it much narrower then the "P" Black Pearl

                      I would to know if this new cowl I made will fit?
                      Here is a picture of it on my Black Pearl.

                      Larrty
                      Attached Files
                      Past NAMBA- P Mono -1 Mile Race Record holder
                      Past NAMBA- P Sport -1 Mile Race Record holder
                      Bump & Grind Racing Props -We Like Em Smooth & Wet

                      Comment

                      • robstercraws
                        Senior Member
                        • Apr 2017
                        • 157

                        #12
                        TRUCKPULL, how much would you charge to make me a cowl like that? I really want one.

                        Comment

                        • TRUCKPULL
                          Fast Electric Addict!
                          • Apr 2007
                          • 2971

                          #13
                          Originally posted by robstercraws
                          TRUCKPULL, how much would you charge to make me a cowl like that? I really want one.
                          Tim
                          $50.00 US + shipping to OR (about 15 to 20 $)

                          Larry
                          Past NAMBA- P Mono -1 Mile Race Record holder
                          Past NAMBA- P Sport -1 Mile Race Record holder
                          Bump & Grind Racing Props -We Like Em Smooth & Wet

                          Comment

                          • Shooter
                            Team Mojo
                            • Jun 2009
                            • 2558

                            #14
                            Hi Larry,

                            Yes, the new limited boat has a much narrower hatch. I'll have to get you some numbers. The airfoil is much more aggressive though. It really dips down in the front, so the curvature might not fit. We will have to see.

                            Comment

                            • Shooter
                              Team Mojo
                              • Jun 2009
                              • 2558

                              #15
                              Hi Larry,

                              Yes, the new limited boat has a much narrower hatch. I'll have to get you some numbers. The airfoil is much more aggressive though. It really dips down in the front, so the curvature might not fit. We will have to see.

                              Comment

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