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"Shank" proof protection

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  • "Shank" proof protection

    Here it is, built tested and works like it was factory made :-) (Sorry Seth I could not resist)
    In the attached images you see.
    1. 3D printer 12h in, printing the main box.
    2. The "driving range" protection.
    3. The full setup with the second level abuse resistant protection on top.
    4. Top view.
    5. Close up of the opening, with ball.

    It has
    1. Ventilation hole on top for getting rid of the heat.
    2. Bubble level holder that can be calibrated
    3. Adjustable target alignment laser holder. It looks like 2 x AAA battery lasers are 13.5mm diameter. So I can fit my bad ass green laser here as well.
    4. 3 adjustment screws that can be fitted from top or bottom. That is to cover all cases where it needs to be high or low above the surface it rests on.
    5. 12 additional threaded holes on the lid to mount other versions of lasers or combined laser + bubble level or whatever might come up later.

    It has been tested with appr. 100 shots using wedges, drivers and a few clubs in between. Registers shots just like with a naked unit.

    Drawback is that it's light and will fall over if hit by a fast ball or move out of place if hit by a bounce back. Not a big problem but could be annoying.
    For that reason I use the second level protection while in the garage. On the driving range the plan is to use just that primary protection.
    (Yes I will make a new second level protection box since this one is but ugly)

    The 3D printed parts work OK but have a few flaws that need to be redesigned. If I ever build another one, those will be fixed. (not very likely, since the one I have now is good enough)
    For that reason I have decided not to share the 3D-print files.
    If you want to build your own unit you can still do it by building the box out of MDF or plastic or whatever you like. The tricky part is the position and size of the holes in front of the sensors.
    For those that want to build a unit for personal use or for their friends, I will be happy to give you the drawing that shows where to place those openings.
    For those that want to use this info to build units and sell them you will have to ask permission and make an offer.

    In either case. If you are interested PM me.

    PS.
    My version that you see in the pictures is for right handed players only. It is possible to build one for both but I wanted to have as few openings as possible.
    And I don't know any lefties, none that I like anyway.
    Last edited by davray666; 08-23-2015, 03:56 PM.

  • #2
    r2d2 with bricks! ))

    Nice job!

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    • #3
      Great work! Can't wait to try it out myself and be a little more worry free when I have other people playing in my simulator room

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      • #4
        Looks really good davray666. I love how you have made the openings small enough to prevent a ball from going through. Not sure why SkyTrak couldn't have done that. Again, nice job!

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        • #5
          For those of you that got the build description and plan to build your own. Don't. The assumption I made on sensor orientation and focal point is wrong.
          For most shots it will be fine but I suspect that the putting will not work that great once it is released.
          I have made a new adjusted design but need to build it and test it. This time I don't have to guess. I know all the parameters.
          The new front plate will still stop a ball and is actually stronger than the previous one because the holes are smaller.

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          • #6
            Awesome! Keep us posted I'll be interested to see so I can make adjustments to my shield haha

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            • #7
              davray666 thanks for the heads up as well as being the design and test lab for this. Have you tested it with putting and found this to be an issue or do you have feedback from someone on this? Do you think it's just putting that will be an issue or do you think that it reduces the field of vision on other shots as well? For example, moving the ball forward of the laser dot for high lofting wedges, etc.

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              • #8
                No I have not tested it for putting. Yes the current design is obscuring the the top and bottom parts of the camera view.
                The reason I never saw any problems while testing is that you need a high launch angle in combination with a significant push.
                For putting it's the same. a straight put will be OK, while a put that goes far out to the right will be a problem.
                No I did not get any feedback, I opened the unit and checked the data I need.
                Wanted to make sure the TM test I did was not affected by the protection. I still think the test is valid but it's better to know so I will do it again.

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                • #9
                  Thanks for the warning davray666. I bought the lexan but haven't made the cuts yet.

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                  • #10
                    Just don't hit the bricks or you will be a world of pain! Ha nice job!!

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                    • #11
                      Version 2.0.
                      This time based on reverse engineering and not guessing as before.
                      Tested and works great.
                      Those of you that sent me a PM will get the new drawing when I update it.

                      Comment


                      • paschmann
                        paschmann commented
                        Editing a comment
                        Cool stuff @davray - thanks for sharing - Not having a 3D printer (but interested in one), what did it cost for the resin to print that?

                      • davray666
                        davray666 commented
                        Editing a comment
                        Less than 10$ the way I printed it for all parts. Could be more or less depending on your settings.
                        I used PLA for the print you see here. It works and it will protect the unit but it will crack if hit really hard.
                        So I will do another print with ABS or Nylon later when I have time to redesign it a bit.

                        PS. If you look real close at the far left side of the lid you will see a dent. That was a really hard bounce back that hit the unit directly.
                        With a bit more infill and ABS or Nylon, there would be no dent.
                        But if you have your own 3D printer you can use PLA. If you damage it you just print a new one. No big deal.

                    • #12
                      Looks great davray!

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                      • #13
                        Nice man really impressed!!!

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                        • #14
                          What Mats do you use?

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                          • davray666
                            davray666 commented
                            Editing a comment
                            The hitting strip is a RealFeelGolfMat. The rest is artificial turf normally used for football.

                        • #15
                          Thanks davray666. Looking forward to the revised drawing. Looks outstanding!

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