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  • Sim Build Version 3.0

    I recently finished my 3rd version of a sim build, and I used the direct from mill version 2 screen that dbgolf72 offered. I posted a quick review of the screen in the group buy thread and there were some questions regarding some of the details of my build, so I figured that I should start a new build thread.

    As I mentioned, this is the 3rd version of a simulator that I have built through the years and the following is some details of the previous versions:

    Version 1:
    I put this together about 12 years ago, and home simulators were still in there infancy at that time. There were not too many off the shelf products, so I had to DIY quite a bit, and through trial and error I was able to put together a reasonable system for its time. It consisted of a p3proswing for the hardware, a 10'x10'x10' cage enclosure, a screen consisting of a 10'x10' 1200 denier cordura tarp laminated on the face with white marine vinyl, mounted via zip ties through grommets, and a platform with outdoor turf. I never liked hitting off the hard rubber p3proswing surface, and at the time I had seen how FullSwing was using Fiberbuilt turf, so I disassembled the p3prowing and cut out the IR sensors in a piece of Fiberbuilt turf and mounted it to the p3proswing through the original mounting holes (this was before p3proswing offered a turf option with its system). Like I mentioned previously the system was reasonable for its time, but trying to get the system into putting mode was a pain, I couldn't trust the ball flight, and the screen was very loud. I eventually grew bored/frustrated and retired the system a few years later. I don't have any pics, but can assure you that it was nothing to write home about.

    Version 2:
    I began getting interested in home simulators again about a year ago, when I had seen how far the technology has come along since my previous version. I ended up purchasing a Skytrak and put together version 2 of the simulator in my garage. This was to be a prototype for a future permanent build that would be indoors (version 3), so that I can see how everything works and what to improve upon. This build borrowed a lot of ideas from PunchoutPro (https://golfsimulatorforum.com/forum...-sim-with-pics), as I needed it to be able to fold away when not in use, but I still wanted it to look presentable. It consisted of the Skytrak, an Asus G11CD-WA51 gaming computer with Intel i5 6400 Processor and Nvidua GeForce GTX970 4GB graphics card, BenQ W1080ST projector, CCE hitting mat, outdoor turf over 3/4" EPA foam exercise mats, an EMT frame, black automobile carpet for ceiling and wall protection connected to the screen via 2" industrial velcro, and it used a 12'x9' Supertex screen mounted via pipes and nylon strapping through the top and side pockets and was backed by my original diy screen and a moving blanket.

    Areas that I wanted to improve:
    1) I decided pretty quickly that I didn't care for the CCE mat which was too soft while standing on it and it was beginning to delaminate from its backing at the corners within a couple weeks of use, so I returned it to Costco. I ended up cutting out a 12"x24" spot for a hitting strip and experimented with 3 different hitting strips: DIY Truestrike, DIY Divotaction, and an AllTurf Ultimate Tee. I preferred the DIY Truestrike the most out of the three as it felt the most consistent and realistic.
    2) The outdoor turf over the exercise mats, while nicer to stand on compared to the CCE mat, could not stand up to the foot pressure while swinging and the pile showed considerable wear. I planned to have a denser exercise mat and higher quality turf in version 3.
    3) The EMT frame worked well for the purpose, but I wanted a more professional look in the final version.
    4) The automotive carpet would often come off the velcro due to the pressure of the shots hitting the screen, so I needed a different way to mount this together.
    5) The Supertex screen had too muck bounce back, and was not durable enough for my tastes. The bounce back may be attributed to the tarp that was mounted behind the screen, but I kept both the screen and backing fairly loose as that seemed to result in the least amount of bounce back. After 5-6 months of use, the main hitting area of the screen is pretty much worn through with quite a few holes (I do rotate through my golf balls to make sure I am using only clean, unscuffed balls).

    Here is a pic of V2:
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    Version 3:

    My major goals for this version were that I wanted it to be professional in appearance and be as functional as possible. My room dimensions are 15'W x 27'L x 12'H, but part of the room (12' x 15') is reserved for games for the kids. I began by playing around with the layout (the left half consists of arcade basketball, skee-ball, air hockey, and table tennis):
    Sim Room Layout 3.pdf

    And, developed a parts list:
    Sim Room Parts List.docx

    Then, I began on the build. I'll admit, I'm horrible at taking photographs when I am in the middle of working, so you will have to use your imagination on parts of this. I started by removing the laminate flooring that was in the room, and laid down the exercise mats. Recall, I didn't like the softness of the EPA foam in the area of my stance in version 2, so I laid down a 4'x4' dense rubber mat under the stance area and everywhere else were the 1/2" EPA foam mats. I ran any cabling underneath the mats through channels that I precut through the foam. I wanted actual putting cups recessed in the floor to practice putting, but the mats were only 1/2" thick and the floor was concrete, so I needed to use a 5" core bit to drill though the concrete to make room for the cups. Since the 5" core bit was larger than the cups, I wrapped the cups in a layer of the 1/2" exercise mat foam and slid the cups into place (they are held in place by friction):
    Click image for larger version  Name:	20171229_194609.jpg Views:	1 Size:	269.2 KB ID:	140266

    And, I cut out an area for the motorcycle seat gel for the DIY Truestrike (I don't have a pic with the gel in place unfortunately:
    Click image for larger version  Name:	20171229_190600.jpg Views:	1 Size:	118.7 KB ID:	140273

    Next, I began work on the ceiling protection. I decided to use baffles on this build and chose to use 26" wide carpet runner as the material. They are mounted via 1" crown staples to the backside of 2"x2" mdf backers that are screwed into floor joists through the ceiling. The backers and ceiling were wrapped with black automotive fabric prior to installing the baffles for a finished appearance:
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    The following step was to lay down the turf. I wanted a durable, nylon turf with a strong backing and chose to go with Starpro Master Putting Green turf. I also wanted a chipping area, so I bordered it with Starpro SPG4100 Centipede SW turf and seamed the two pieces together using 6" rubber flashing tape. I checked the speed of the green with a DIY stimpmeter, and it seems to be reading at about a 12.5.
    Click image for larger version  Name:	20180107_105109.jpg Views:	1 Size:	158.7 KB ID:	140272

    Once that was complete, I moved on to the screen. The screen has final viewing dimensions of 160"W x 120"H, but I ordered a piece that was 20' long so that I would have enough to advance the screen as the main hitting area would develop wear. The challenge was developing a way to mount the screen that would not involve considerable effort when it comes time to advance. The mounting consists of the screen material wrapped across 144"x4" pvc pipe on the sides (that are mounted to the ceiling and the floor via swivel mount toilet flanges and coupled using inside couplings), and the top is attached with velcro to a 2' wide piece of carpet runner that is mounted to the ceiling through grommets and screw hooks every 18". The 2 ends of the screen are tensioned together using tarp clips and bungee straps on the backside, and there are two moving blankets and a piece of automotive carpet in between used as backing. When the screen wears, I will advance it 18" by unhooking the grommets and advancing the screen by turning the pvc pipe, then rehooking the grommets.
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    The final step was to put together the wall protection. I used foam body wedges that user brg1875 posted about in this thread: https://golfsimulatorforum.com/forum...-up-garage-sim. I ended up ordering the 10" ones, and used spray adhesive to mount them to 1/8" hardboard panels which I upholstered using the automotive fabric that I used on the ceiling. I then hung them up with screws. Sorry no pics of putting them together.

    And, here is the final product:
    Click image for larger version  Name:	20180102_151601.jpg Views:	2 Size:	48.1 KB ID:	140274

    I will be using the same BenQ projector and gaming PC as in version 2, and I've recently been playing around with an ES16 (but I'm not sure if I will be replacing the Skytrak with it yet, more testing needs to be completed first). If anyone has any questions, please feel free to ask!
    Last edited by bbjr; 01-09-2018, 05:16 PM.

  • #2
    Looks great! I'm interested in your turf. Is there a specific model that you went with? Do you plan to hit shots off it? I guess you'll insert it when it wears. Anyway, any information would be appreciated. Thanks.

    Comment


    • #3
      Here is the model that I went with: https://www.starprogreens.com/produc...al-grass-turf/

      Exactly, I am planning on hitting shots off it and and inserting it when I see wear. I ordered a few extra feet of the turf so that I can use matching turf as long as it wears appropriately. I've only hit a couple hundred balls off it so far, but it appears to be very durable, and I cannot even see where I am striking the turf at this point. I was looking for nylon turf with a durable backing mainly for this reason. In version 2, the backing wore out the quickest on my inserts in the DIY Truestrike set-up, and I didn't like the way the poly turf would "melt" a film on the club head during swings.

      Comment


      • #4
        NIce! I'm gonna check that stuff out. So it's not as grabby as cce? I'm currently suffering from golfers elbow from the cce. Also, how is the stance? I believe you said you stood on the cce and it was way too squishy? I have an insert so not standing on the cce, but would imagine it would be too squishy for me. Could be a great option for what I'm thinking of doing with my room. Thanks.

        Comment


        • #5
          Definitely not as grabby as the CCE. It only has a 1/2" pile height, as compared to the the CCE which has 1-1/4" pile height (if I recall correctly). Unfortunately it will not support a tee, if you like the CCE for that reason, but I have gotten used to using the Tomahawk tees with the TeeClaw and like them better at this point. Also, a disadvantage of the durable rubber backing on the StarPro turf is that it does not allow as soft of a strike with the gel insert. It feels a little more firm than the previous turf insert that I used on version 2. Not as hard as your standard range mat, however.

          Comment


          • bbjr
            bbjr commented
            Editing a comment
            I forgot to mention... I think the stance is perfect using this turf. Firm enough to gain leverage with the legs, but still feels like standing in a firm fairway.

          • DirtyGarry24
            DirtyGarry24 commented
            Editing a comment
            Good stuff. Ya I ditched the real tee idea after I almost put my eye out one day! Tomahawk tees are great. The price looks reasonable enough, I may look into this stuff some more. Thanks.

          • bbjr
            bbjr commented
            Editing a comment
            No problem, let me know if you have any other questions.

        • #6
          Very nicely done, it's amazing how smart we get after a few versions.....lol. It looks great.

          Comment


          • bbjr
            bbjr commented
            Editing a comment
            Agreed, you almost need a few tries until you get it right.

        • #7
          Very creative. The idea of rotating the screen is well thought out. I'm not sure I can do this as I have hydronic radiant infloor heating and drilling into the floor is a no no but I will venture into it anyway.
          So you have vertical PVC to pull the screen horizontally. How is the screen held at the top? How is it supported horizontally? You have a 20' screen. The excess is brought in behind the screen or is it folded? I use 1" pvc that is put through straps on both sides and the top. The sides are then bungied to posts. The top is on a cable. You have done this without sewing anything onto the raw material? Correct.
          And one last question, what is the carpet for that is in behind?

          Cheers

          Comment


          • bbjr
            bbjr commented
            Editing a comment
            At the top I have 2 rows of eye hooks spaced every 18" and the two rows are roughly 5" apart, to coincide with the outside diameter of the pipe. I also have grommets placed every 18" in the carpet runner that is attached to the screen as the top border. That way the excess screen that is behind can be supported, as well as the viewing area of the screen. And no, I have not sewed anything to the screen. I attached the carpet runner to the screen by adhering the hook side of the velcro to the back side of the screen, and hooking directly to the pile of the carpet runner. Since this screen is much larger and the vector of the force is in a different direction as opposed to my version 2 screen, I don't have a problem with it coming unattached. Also, being the screen I have two layers of moving blankets for backing. After taking several shots, I noticed that the moving blankets were developing holes at every shot location, so I put a layer of the automotive fabric in front of the blankets in order to protect them. This has has been working well.

        • #8
          How did you get your velcro to stick to your screen, I have attempted using carpet tape, but no luck.

          Comment


          • #9
            I used the Industrial strength Velcro (https://www.amazon.com/90197-Industr.../dp/B00006RSP1) and as I was applying it, I would heat it with a heat gun in order to lower the viscosity of the adhesive to increase its penetration into the screen, and then I used a wooden dowel to apply pressure. For this application, it seems to be working as planned. There is not much force on the velcro, since the tension from the pipes on the sides provides most of the support, and the velcro (which is attached to the carpet runner and hung to the eye screws) is only supplemental.

            Comment


            • #10
              bbjr wondering how the turf is holding up? Also, did you put any padding underneath it? Does it need any? Got some on order. Thanks.

              Comment


              • DirtyGarry24
                DirtyGarry24 commented
                Editing a comment
                Thx for the comments. Sounds like I need to consider the padding. I like the gel under hitting area, very good idea. So I would assume the rubber under stance area is much firmer than the “EPA”? Would the stance be too squishy on EPA?

              • bbjr
                bbjr commented
                Editing a comment
                Yeah, the rubber is much firmer than the EPA. In version 2, I used EPA under the stance area and it is definitely compressed in the area of the stance, which is why I chose to use the firm rubber in version 3. I'm not sure you would require any padding, but the reason I chose to do so was because I wanted to raise the turf enough to allow for the gel in the hitting area. This turf is so dense and has such a firm rubber backing on it though, that I am not sure the gel adds any significance to the shot feel.

              • DirtyGarry24
                DirtyGarry24 commented
                Editing a comment
                Oh good deal. I’m gonna try without any backing first. I do have the option to recess for gel if I need to. Appreciate the help.

            • #11
              Thanks for taking the time to write up and post pics! I am starting my sim build this weekend as my skytrack will be on my doorstep tomorrow. Beach house might be gone after Florence so need something else to take up time. Couple of questions on your build that I might have missed:
              Did you protect the 4" pvc with anything? Reason for asking as trying to teach my daughter to get into the game. Also have some high handicap buddies whose errant shots increase as beer intake increases.
              Have you had to roll the screen out to a different spot? How well does it work?
              Many thanks again for your sim build!

              Comment


              • bbjr
                bbjr commented
                Editing a comment
                Stackchaser Hopefully Florence dissipates quicker than they are expecting; it looks like it may be lingering for a couple days.

                As far as the pvc protection, I have the foam wedges on the sides that protect the pvc, so there is no chance of hitting them directly. I am teaching my wife and kids to golf, so this was an important consideration for me. And, I have not had to roll out the screen, yet. I've been pretty busy this summer and have not put much time in the sim, but everything is still holding up just fine. When I mounted it though, I did do some dry runs with advancing the screen, and it seemed to work well enough for as often as one would need to accomplish the task.

            • #12
              bbjr How is the turf holding up? I am thinking about doing the same thing to have constant hitting putting surface. Not sure about the gel pad but it's interesting to see if you would still use it.

              Thanks.

              Comment


              • bbjr
                bbjr commented
                Editing a comment
                Supraracer I haven't used the sim much this summer, so in total I have probably only hit a few thousand shots off the turf to this point. There is no visible wear on the turf, but if I had to do it again I would double the thickness of the gel pad so that it was a little higher than the surrounding base mats, or I would leave it out all together. I am getting very minor stretching of the turf that is visible just past the hitting area, and I think it is due to the gel pad being slightly below the height of the surrounding base mats.

              • Supraracer
                Supraracer commented
                Editing a comment
                bbjr Did you glue the turf around the gel pad? My whole platform folds up and the turf will be glued to the platform. I have copied your setup with the HF pads on the platform and rubber mats in stance area. The platform is 16 x 12'. I was going to contact cement the putting turf to the EVA mats leaving a small patch for the gel pad. I wonder if I should just not bother with the gel pad.

              • bbjr
                bbjr commented
                Editing a comment
                Supraracer I did not glue the turf; although that would probably solve my issue. Because the turf is so dense, I'm not sure if the gel makes much of a difference, as opposed to hitting off of the EVA mats. You could probably get away without it.

            • #13
              Originally posted by Stackchaser View Post
              Thanks for taking the time to write up and post pics! I am starting my sim build this weekend as my skytrack will be on my doorstep tomorrow. Beach house might be gone after Florence so need something else to take up time. Couple of questions on your build that I might have missed:
              Did you protect the 4" pvc with anything? Reason for asking as trying to teach my daughter to get into the game. Also have some high handicap buddies whose errant shots increase as beer intake increases.
              Have you had to roll the screen out to a different spot? How well does it work?
              Many thanks again for your sim build!

              Keep coming back to your build. I am relegated to the garage for my sim as the ladies have taken over the house and balked at the idea of a sim in the bonus room. Did you put the mats over concrete as that is what it looks like? I have seen both mats directly on concrete and matting over plywood. Just want to make sure my hitting area will not move as I will be using the gel for hitting area as well. I am trying to keep the height to a minimum as I have several buddies who are very tall and have 10ft ceilings in the garage. Also curious if you have the rough area secured in any fashion as it looks like a narrower strip that could move with the force of a club. Thanks!
              Last edited by Stackchaser; 09-18-2018, 01:35 AM.

              Comment


              • #14
                Originally posted by Stackchaser View Post


                Keep coming back to your build. I am relegated to the garage for my sim as the ladies have taken over the house and balked at the idea of a sim in the bonus room. Did you put the mats over concrete as that is what it looks like? I have seen both mats directly on concrete and matting over plywood. Just want to make sure my hitting area will not move as I will be using the gel for hitting area as well. I am trying to keep the height to a minimum as I have several buddies who are very tall and have 10ft ceilings in the garage. Also curious if you have the rough area secured in any fashion as it looks like a narrower strip that could move with the force of a club. Thanks!
                Yes, the mats are directly over the concrete. The turf is extremely heavy and has a rubber backing that creates enough friction with the mats that it does not move. I don't have the rough area secured beyond seaming it to the fairway turf with flashing tape, and tucked under the flooring transition trim. I only practice 3-4 yd shots off the rough turf though, so it is not pushed to the limits.

                Comment


                • #15
                  Very nice build! I'm assuming your screen had pockets on the left and right edges? Also, what distance are you hitting into the screen from? I'm looking at a build in my basement, and the direction i want to place my screen would have my Skytrak setup about 7 or 8 feet from the screen??

                  Comment


                  • bbjr
                    bbjr commented
                    Editing a comment
                    Thanks for the compliment! There are no pockets on the edges of the screen, they just wrap around the 4" pvc. I am just under 9' from the hitting area to the screen.
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