| Finding the appropriate halfpipe to fit | | | | vertical) on the side. It should be |
| your preference can be difficult, so the | | | | about 3"3 tall, with three pieces. Use |
| best thing to do is to make one | | | | the fishing line to fashion out a curve |
| yourself. If you do it yourself you can | | | | with a radius of approximately 5"7 |
| ensure that all your needs will be met | | | | ½". This will serve as the |
| and you won't have to worry that | | | | halfpipe bowl. |
| something is just not perfect. | | | | Use the radius to make the side bracing, |
| Although you can construct one, consider | | | | noting the areas of support. Join the |
| getting your friends involved; not only | | | | vertical sides using the cross members. |
| does it make things easier, but its also | | | | They should be about 7 and half inches |
| more fun. Especially after it is done | | | | apart. Do not forget to double them up |
| and you all can then use it and know | | | | at the point of the plywood beams so |
| that it was something you all built | | | | they will not break up when you utilize |
| together for fun and adventure. | | | | them. |
| Don't worry, this project is not going | | | | The plywood will serve as the decking; |
| to be as difficult as you might at first | | | | connect it with the screws. To create |
| think. Just make a plan and stick tto it | | | | the platform and the ramp, you just |
| and in no time you will have it up and | | | | double the plywood decking. To make the |
| ready for use. | | | | ramp easier to use, place a smooth |
| The materials you will need to make the | | | | surface above the plywood. |
| halfpipe are easily obtainable; 8 sheets | | | | The last thing you will build for the |
| of plywood (3/4"), stock (2 x 4), a 10" | | | | halfpipe is the grinding rail (the |
| PVC pipe, several nails, ½ screws | | | | starting platform and the decking join |
| and laminate. To put the whole thing | | | | up). To mitigate the damage to these |
| together, you will need a hammer, a | | | | areas, get the 10" PVC pipe. Use the |
| fishing line, a measuring tape, some | | | | screws to fasten it to the plywood. |
| pencil and paper, and a saw. A drill | | | | There will be times when you will need |
| with bit selections is also necessary. | | | | to disassemble the halfpipe. It is for |
| The first thing that you will have to do | | | | this reason that you should use screws |
| is find an ideal spot. This will | | | | than nails, because it will make it |
| determine how large the halfpipe will | | | | easier to pull the whole thing apart and |
| be. Next, you put down the framing | | | | back together again. Also, covering the |
| system, which consists of two | | | | halfpipe with any material that will |
| proportioned sides. Get the 2 x 4 stock | | | | protect it from heavy rain will be |
| and make a bracing structure 4" wide and | | | | necessary. |
| 8" long. The surface should have two | | | | Of course, you should regularly inspect |
| sections (4 x 8) and floor support about | | | | the halfpipe and replace any parts that |
| 7" and 7/8" spaced apart. | | | | have been subject to wear and tear. |
| Next place the bracing (horizontal and | | | | |